Election Results for Mahaska County, IA -- RightDataUSA.com

2020-2022 Components	Number	Rate
Births:	536	12.1
Deaths:	647	14.6
Net Migration:	-156	-3.5
Net Immigration:	34	0.8

Recent Trends
	Votes	Δ Margin	Swing %
2020 vs. 2016	R +865	R +590	R + 0.4%
D +275
2020 vs. 2012	R +1,849	R +3,168	R + 27.3%
D -1,319
2020 vs. 2008	R +2,026	R +3,596	R + 31.4%
D -1,570

2016 vs. 2008	R +1,161	R +3,006	R + 31.1%
D -1,845
How to interpret this table

Click on the Year to view county-level data for that election.

Year	Turnout	Winner			Runner-Up			Other		Total Votes	Diff (St)	Diff (US)	PSV
2020	68%	Donald Trump* (R)	8,297	72.8%	Joe Biden (D)	2,894	25.4%	213 [+]	1.9%	11,404	20	26	0.67%
[-] Other candidates in 2020: Jo Jorgensen (Lbt) 134 (1.2%);
2016	63%	Donald Trump (R)	7,432	69.9%	Hillary Clinton (D)	2,619	24.6%	581 [+]	5.5%	10,632	19	24	0.68%
[-] Other candidates in 2016: Gary Johnson (Lbt) 318 (3.0%); Evan McMullin (I) 73 (0.7%); Jill Stein (Grn) 38 (0.4%);
2012	64%	Mitt Romney (R)	6,448	59.2%	Barack Obama* (D)	4,213	38.7%	222 [+]	2.0%	10,883	13	12	0.69%
[-] Other candidates in 2012: Gary Johnson (Lbt) 82 (0.8%);
2008	65%	John McCain (R)	6,271	57.4%	Barack Obama (D)	4,464	40.8%	199 [+]	1.8%	10,934	13	12	0.71%
[-] Other candidates in 2008: Ralph Nader (I) 48 (0.4%); Bob Barr (Lbt) 26 (0.2%);
2004	64%	George W. Bush* (R)	6,858	63.9%	John Kerry (D)	3,790	35.3%	80 [+]	0.7%	10,728	14	13	0.71%
[-] Other candidates in 2004: Ralph Nader (I) 39 (0.4%);
2000	57%	George W. Bush (R)	5,971	62.6%	Albert Gore, Jr. (D)	3,370	35.3%	202 [+]	2.1%	9,543	14	15	0.73%
[-] Other candidates in 2000: Ralph Nader (Grn) 143 (1.5%); Pat Buchanan (Ref) 24 (0.3%);
1996	55%	Robert Dole (R)	4,473	50.0%	Bill Clinton* (D)	3,737	41.8%	731 [+]	8.2%	8,941	10	9	0.72%
[-] Other candidates in 1996: Ross Perot (Ref) 656 (7.3%); Ralph Nader (Grn) 24 (0.3%); Harry Browne (Lbt) 10 (0.1%);
1992	64%	George Bush* (R)	4,953	48.3%	Bill Clinton (D)	3,714	36.2%	1,580 [+]	15.4%	10,247	11	11	0.76%
[-] Other candidates in 1992: Ross Perot (I) 1,508 (14.7%);
1988	58%	George Bush (R)	4,798	51.5%	Michael Dukakis (D)	4,451	47.8%	71 [+]	0.8%	9,320	7	-2	0.76%
[-] Other candidates in 1988: Ron Paul (Lbt) 16 (0.2%);
1984	63%	Ronald Reagan* (R)	6,086	59.1%	Walter Mondale (D)	4,107	39.9%	100	1.0%	10,293	6	0	0.78%
[-] Other candidates in 1984:
1980	62%	Ronald Reagan (R)	5,650	54.5%	Jimmy Carter* (D)	3,968	38.3%	745 [+]	7.2%	10,363	3	4	0.79%
[-] Other candidates in 1980: John Anderson (I) 603 (5.8%); Edward Clark (Lbt) 106 (1.0%);
1976	66%	Gerald Ford* (R)	5,267	51.4%	Jimmy Carter (D)	4,838	47.2%	146 [+]	1.4%	10,251	2	3	0.80%
[-] Other candidates in 1976: Eugene McCarthy (I) 109 (1.1%);
1972	65%	Richard Nixon* (R)	6,374	63.8%	George McGovern (D)	3,382	33.9%	232 [+]	2.3%	9,988	6	3	0.81%
[-] Other candidates in 1972: John Schmitz (Amer) 220 (2.2%);
1968	72%	Richard Nixon (R)	5,670	56.9%	Hubert Humphrey (D)	3,721	37.3%	579 [+]	5.8%	9,970	4	13	0.85%
[-] Other candidates in 1968: George Wallace (AIP) 420 (4.2%);
1964	72%	Lyndon Johnson* (D)	6,396	62.7%	Barry Goldwater (R)	3,787	37.1%	22	0.2%	10,205	-1	-1	0.86%
[-] Other candidates in 1964:
1960	75%	Richard Nixon (R)	7,129	65.4%	John Kennedy (D)	3,746	34.4%	26	0.2%	10,901	9	16	0.86%
[-] Other candidates in 1960:
1956	70%	Dwight Eisenhower* (R)	6,864	62.2%	Adlai Stevenson (D)	3,965	35.9%	205	1.9%	11,034	3	5	0.89%
[-] Other candidates in 1956:
1952	72%	Dwight Eisenhower (R)	7,369	64.0%	Adlai Stevenson (D)	3,745	32.5%	409	3.5%	11,523	0	9	0.91%
[-] Other candidates in 1952:
1948	55%	Harry Truman* (D)	4,327	47.9%	Thomas Dewey (R)	4,238	46.9%	465 [+]	5.1%	9,030	-1	2	0.87%
[-] Other candidates in 1948: Henry Wallace (Prog) 30 (0.3%); Strom Thurmond (StsRts) 0 (0.0%);
1944	59%	Thomas Dewey (R)	5,123	50.9%	Franklin Roosevelt* (D)	4,652	46.2%	297	2.9%	10,072	-1	5	0.96%
[-] Other candidates in 1944:
1940	69%	Wendell Willkie (R)	6,123	51.1%	Franklin Roosevelt* (D)	5,757	48.1%	97	0.8%	11,977	-1	6	0.99%
[-] Other candidates in 1940:
1936	72%	Franklin Roosevelt* (D)	6,094	52.0%	Alf Landon (R)	5,270	44.9%	362 [+]	3.1%	11,726	2	8	1.03%
[-] Other candidates in 1936: William Lemke (Union) 289 (2.5%); Norman Thomas (Soc) 23 (0.2%);
1932	66%	Franklin Roosevelt (D)	5,586	52.1%	Herbert Hoover* (R)	4,655	43.5%	472 [+]	4.4%	10,713	3	4	1.03%
[-] Other candidates in 1932: Norman Thomas (Soc) 396 (3.7%);
1928	67%	Herbert Hoover (R)	7,368	69.7%	Al Smith (D)	3,200	30.3%	0	0.0%	10,568	8	12	1.05%
[-] Other candidates in 1928: Norman Thomas (Soc) 0 (0.0%);
1924	66%	Calvin Coolidge (R)	5,810	55.4%	Robert LaFollette (Prog)	3,010	28.7%	1,673 [+]	15.9%	10,493	0	1	1.07%
[-] Other candidates in 1924: John Davis (D) 1,673 (15.9%);
1920	66%	Warren Harding (R)	6,739	64.5%	James Cox (D)	3,339	32.0%	362 [+]	3.5%	10,440	-6	4	1.17%
[-] Other candidates in 1920: Aaron Watkins (Proh) 225 (2.2%); Eugene Debs (Soc) 110 (1.1%); Parley Christiansen (FL) 17 (0.2%);
1916	40%	Woodrow Wilson* (D)	3,151	48.3%	Charles Evans Hughes (R)	3,143	48.1%	235 [+]	3.6%	6,529	-6	2	1.27%
[-] Other candidates in 1916: James Hanly (Proh) 133 (2.0%); Allan Benson (Soc) 98 (1.5%);
1912	37%	Woodrow Wilson (D)	2,576	40.0%	Theodore Roosevelt (Prog)	1,705	26.4%	2,167 [+]	33.6%	6,448	2	3	1.31%
[-] Other candidates in 1912: William Taft* (R) 1,682 (26.1%); Eugene Chafin (Proh) 283 (4.4%); Eugene Debs (Soc) 202 (3.1%);
1908	40%	William Taft (R)	3,326	48.5%	William J. Bryan (D)	3,035	44.3%	495 [+]	7.2%	6,856	-7	-3	1.39%
[-] Other candidates in 1908: Eugene Chafin (Proh) 395 (5.8%); Eugene Debs (Soc) 92 (1.3%); Thomas Hisgen (I) 3 (0.0%);
1904	38%	Theodore Roosevelt (R)	4,091	59.6%	Alton Parker (D)	2,287	33.3%	489 [+]	7.1%	6,867	-4	3	1.41%
[-] Other candidates in 1904: Silas Swallow (Proh) 278 (4.0%); Eugene Debs (Soc) 162 (2.4%); Thomas Watson (Pop) 49 (0.7%);
1900	43%	William McKinley* (R)	4,480	53.9%	William J. Bryan (D)	3,596	43.3%	236 [+]	2.8%	8,312	-4	2	1.57%
[-] Other candidates in 1900: John Woolley (Proh) 201 (2.4%); Eugene Debs (Soc) 23 (0.3%);

* incumbent PSV: percent of state vote

2020 President, Mahaska County, IA

Candidate

Votes

Pct

Joe Biden (D)

2,894

25.4%

Donald Trump* (R)

8,297

72.8%

Jo Jorgensen (Lbt)

134

1.2%

Other

0.7%

TOTAL

11,404

Turnout: 68%	Diff (St): 20	Diff (US): 26

2016 President, Mahaska County, IA

Candidate

Votes

Pct

Hillary Clinton (D)

2,619

24.6%

Donald Trump (R)

7,432

69.9%

Gary Johnson (Lbt)

318

3.0%

Jill Stein (Grn)

0.4%

Evan McMullin (I)

0.7%

Other

152

1.4%

TOTAL

10,632

Turnout: 63%	Diff (St): 19	Diff (US): 24

2012 President, Mahaska County, IA

Candidate

Votes

Pct

Barack Obama* (D)

4,213

38.7%

Mitt Romney (R)

6,448

59.2%

Gary Johnson (Lbt)

0.8%

Other

140

1.3%

TOTAL

10,883

Turnout: 64%	Diff (St): 13	Diff (US): 12

2008 President, Mahaska County, IA

Candidate

Votes

Pct

Barack Obama (D)

4,464

40.8%

John McCain (R)

6,271

57.4%

Ralph Nader (I)

0.4%

Bob Barr (Lbt)

0.2%

Other

125

1.1%

TOTAL

10,934

Turnout: 65%	Diff (St): 13	Diff (US): 12

2004 President, Mahaska County, IA

Candidate

Votes

Pct

George W. Bush* (R)

6,858

63.9%

John Kerry (D)

3,790

35.3%

Ralph Nader (I)

0.4%

Other

0.4%

TOTAL

10,728

Turnout: 64%	Diff (St): 14	Diff (US): 13

2000 President, Mahaska County, IA

Candidate

Votes

Pct

George W. Bush (R)

5,971

62.6%

Albert Gore, Jr. (D)

3,370

35.3%

Ralph Nader (Grn)

143

1.5%

Pat Buchanan (Ref)

0.3%

Other

0.4%

TOTAL

9,543

Turnout: 57%	Diff (St): 14	Diff (US): 15

1996 President, Mahaska County, IA

Candidate

Votes

Pct

Bill Clinton* (D)

3,737

41.8%

Robert Dole (R)

4,473

50.0%

Ross Perot (Ref)

656

7.3%

Ralph Nader (Grn)

0.3%

Harry Browne (Lbt)

0.1%

Other

0.5%

TOTAL

8,941

Turnout: 55%	Diff (St): 10	Diff (US): 9

1992 President, Mahaska County, IA

Candidate

Votes

Pct

Bill Clinton (D)

3,714

36.2%

George Bush* (R)

4,953

48.3%

Ross Perot (I)

1,508

14.7%

Other

0.7%

TOTAL

10,247

Turnout: 64%	Diff (St): 11	Diff (US): 11

1988 President, Mahaska County, IA

Candidate

Votes

Pct

George Bush (R)

4,798

51.5%

Michael Dukakis (D)

4,451

47.8%

Ron Paul (Lbt)

0.2%

Other

0.6%

TOTAL

9,320

Turnout: 58%	Diff (St): 7	Diff (US): -2

1984 President, Mahaska County, IA

Candidate

Votes

Pct

Ronald Reagan* (R)

6,086

59.1%

Walter Mondale (D)

4,107

39.9%

Other

100

1.0%

TOTAL

10,293

Turnout: 63%	Diff (St): 6	Diff (US): 0

1980 President, Mahaska County, IA

Candidate

Votes

Pct

Ronald Reagan (R)

5,650

54.5%

Jimmy Carter* (D)

3,968

38.3%

John Anderson (I)

603

5.8%

Edward Clark (Lbt)

106

1.0%

Other

0.3%

TOTAL

10,363

Turnout: 62%	Diff (St): 3	Diff (US): 4

1976 President, Mahaska County, IA

Candidate

Votes

Pct

Jimmy Carter (D)

4,838

47.2%

Gerald Ford* (R)

5,267

51.4%

Eugene McCarthy (I)

109

1.1%

Other

0.4%

TOTAL

10,251

Turnout: 66%	Diff (St): 2	Diff (US): 3

1972 President, Mahaska County, IA

Candidate

Votes

Pct

Richard Nixon* (R)

6,374

63.8%

George McGovern (D)

3,382

33.9%

John Schmitz (Amer)

220

2.2%

Other

0.1%

TOTAL

9,988

Turnout: 65%	Diff (St): 6	Diff (US): 3

1968 President, Mahaska County, IA

Candidate

Votes

Pct

Richard Nixon (R)

5,670

56.9%

Hubert Humphrey (D)

3,721

37.3%

George Wallace (AIP)

420

4.2%

Other

159

1.6%

TOTAL

9,970

Turnout: 72%	Diff (St): 4	Diff (US): 13

1964 President, Mahaska County, IA

Candidate

Votes

Pct

Lyndon Johnson* (D)

6,396

62.7%

Barry Goldwater (R)

3,787

37.1%

Other

0.2%

TOTAL

10,205

Turnout: 72%	Diff (St): -1	Diff (US): -1

1960 President, Mahaska County, IA

Candidate

Votes

Pct

John Kennedy (D)

3,746

34.4%

Richard Nixon (R)

7,129

65.4%

Other

0.2%

TOTAL

10,901

Turnout: 75%	Diff (St): 9	Diff (US): 16

1956 President, Mahaska County, IA

Candidate

Votes

Pct

Dwight Eisenhower* (R)

6,864

62.2%

Adlai Stevenson (D)

3,965

35.9%

Other

205

1.9%

TOTAL

11,034

Turnout: 70%	Diff (St): 3	Diff (US): 5

1952 President, Mahaska County, IA

Candidate

Votes

Pct

Dwight Eisenhower (R)

7,369

64.0%

Adlai Stevenson (D)

3,745

32.5%

Other

409

3.5%

TOTAL

11,523

Turnout: 72%	Diff (St): 0	Diff (US): 9

1948 President, Mahaska County, IA

Candidate

Votes

Pct

Harry Truman* (D)

4,327

47.9%

Thomas Dewey (R)

4,238

46.9%

Henry Wallace (Prog)

0.3%

Other

435

4.8%

TOTAL

9,030

Turnout: 55%	Diff (St): -1	Diff (US): 2

1944 President, Mahaska County, IA

Candidate

Votes

Pct

Franklin Roosevelt* (D)

4,652

46.2%

Thomas Dewey (R)

5,123

50.9%

Other

297

2.9%

TOTAL

10,072

Turnout: 59%	Diff (St): -1	Diff (US): 5

1940 President, Mahaska County, IA

Candidate

Votes

Pct

Franklin Roosevelt* (D)

5,757

48.1%

Wendell Willkie (R)

6,123

51.1%

Other

0.8%

TOTAL

11,977

Turnout: 69%	Diff (St): -1	Diff (US): 6

1936 President, Mahaska County, IA

Candidate

Votes

Pct

Franklin Roosevelt* (D)

6,094

52.0%

Alf Landon (R)

5,270

44.9%

William Lemke (Union)

289

2.5%

Norman Thomas (Soc)

0.2%

Other

0.4%

TOTAL

11,726

Turnout: 72%	Diff (St): 2	Diff (US): 8

1932 President, Mahaska County, IA

Candidate

Votes

Pct

Franklin Roosevelt (D)

5,586

52.1%

Herbert Hoover* (R)

4,655

43.5%

Norman Thomas (Soc)

396

3.7%

Other

0.7%

TOTAL

10,713

Turnout: 66%	Diff (St): 3	Diff (US): 4

1928 President, Mahaska County, IA

Candidate

Votes

Pct

Herbert Hoover (R)

7,368

69.7%

Al Smith (D)

3,200

30.3%

TOTAL

10,568

Turnout: 67%	Diff (St): 8	Diff (US): 12

1924 President, Mahaska County, IA

Candidate

Votes

Pct

Calvin Coolidge (R)

5,810

55.4%

John Davis (D)

1,673

15.9%

Robert LaFollette (Prog)

3,010

28.7%

TOTAL

10,493

Turnout: 66%	Diff (St): 0	Diff (US): 1

1920 President, Mahaska County, IA

Candidate

Votes

Pct

Warren Harding (R)

6,739

64.5%

James Cox (D)

3,339

32.0%

Eugene Debs (Soc)

110

1.1%

Parley Christiansen (FL)

0.2%

Aaron Watkins (Proh)

225

2.2%

Other

0.1%

TOTAL

10,440

Turnout: 66%	Diff (St): -6	Diff (US): 4

1916 President, Mahaska County, IA

Candidate

Votes

Pct

Woodrow Wilson* (D)

3,151

48.3%

Charles Evans Hughes (R)

3,143

48.1%

Allan Benson (Soc)

1.5%

James Hanly (Proh)

133

2.0%

Other

0.1%

TOTAL

6,529

Turnout: 40%	Diff (St): -6	Diff (US): 2

1912 President, Mahaska County, IA

Candidate

Votes

Pct

Woodrow Wilson (D)

2,576

40.0%

Theodore Roosevelt (Prog)

1,705

26.4%

William Taft* (R)

1,682

26.1%

Eugene Debs (Soc)

202

3.1%

Eugene Chafin (Proh)

283

4.4%

TOTAL

6,448

Turnout: 37%	Diff (St): 2	Diff (US): 3

1908 President, Mahaska County, IA

Candidate

Votes

Pct

William Taft (R)

3,326

48.5%

William J. Bryan (D)

3,035

44.3%

Eugene Debs (Soc)

1.3%

Eugene Chafin (Proh)

395

5.8%

Thomas Hisgen (I)

0.0%

Other

0.1%

TOTAL

6,856

Turnout: 40%	Diff (St): -7	Diff (US): -3

1904 President, Mahaska County, IA

Candidate

Votes

Pct

Theodore Roosevelt (R)

4,091

59.6%

Alton Parker (D)

2,287

33.3%

Eugene Debs (Soc)

162

2.4%

Silas Swallow (Proh)

278

4.0%

Thomas Watson (Pop)

0.7%

TOTAL

6,867

Turnout: 38%	Diff (St): -4	Diff (US): 3

1900 President, Mahaska County, IA

Candidate

Votes

Pct

William McKinley* (R)

4,480

53.9%

William J. Bryan (D)

3,596

43.3%

John Woolley (Proh)

201

2.4%

Eugene Debs (Soc)

0.3%

Other

0.1%

TOTAL

8,312

Turnout: 43%	Diff (St): -4	Diff (US): 2

* incumbent

Historical Statewide Election Results for Mahaska County, IA

Click on the Year to view county-level data for that election.

Year	Type	Turnout	Winner			Runner-Up			Other		Total Votes	Diff	PSV
2022	S3	48%	Charles Grassley* (R)	6,049	75.7%	Michael Franken (D)	1,936	24.2%	8 [+]	0.1%	7,993	20	0.66%
[-] Other candidates in 2022: Other (Write-in) 8 (0.1%);
2022	G	49%	Kim Reynolds* (R)	6,299	77.5%	Deidre DeJear (D)	1,667	20.5%	163 [+]	2.0%	8,129	19	0.67%
[-] Other candidates in 2022: Rick Stewart (Libertarian) 159 (2.0%); Other (Write-in) 4 (0.0%);
2020	S2	67%	Joni Ernst* (R)	7,860	70.0%	Theresa Greenfield (D)	2,969	26.4%	399 [+]	3.6%	11,228	18	0.67%
[-] Other candidates in 2020: Rick Stewart (Libertarian) 273 (2.4%); Suzanne Herzog (I) 118 (1.1%); Other (Write-in) 8 (0.1%);

2018	G	51%	Kim Reynolds* (R)	6,007	69.9%	Fred Hubbell (D)	2,409	28.0%	180 [+]	2.1%	8,596	20	0.65%
[-] Other candidates in 2018: Jake Porter (Libertarian) 136 (1.6%); Gary Siegwarth (Clean Water) 42 (0.5%); Other (Write-in) 2 (0.0%);
2016	S3	62%	Charles Grassley* (R)	7,812	74.5%	Patty Judge (D)	2,302	22.0%	368 [+]	3.5%	10,482	14	0.68%
[-] Other candidates in 2016: Charles Aldrich (Libertarian) 248 (2.4%); Jim Hennager (New Independent) 88 (0.8%); Michael Luick-Thrams (I) 27 (0.3%); Other (Write-in) 5 (0.0%);
2014	S2	46%	Joni Ernst (R)	5,334	68.5%	Bruce Braley (D)	2,091	26.9%	362 [+]	4.6%	7,787	16	0.69%
[-] Other candidates in 2014: Rick Stewart (I) 195 (2.5%); Douglas Butzier (Libertarian) 72 (0.9%); Ruth Smith (I) 46 (0.6%); Bob Quast (I) 39 (0.5%); Other (Write-in) 10 (0.1%);
2014	G	46%	Terry Branstad* (R)	5,648	72.4%	Jack Hatch (D)	1,809	23.2%	348 [+]	4.5%	7,805	13	0.69%
[-] Other candidates in 2014: Lee Hieb (Libertarian) 194 (2.5%); Jonathan Narcisse (Iowa) 94 (1.2%); Jim Hennager (New Independent) 55 (0.7%); Other (Write-in) 5 (0.1%);
2010	S3	50%	Charles Grassley* (R)	6,376	75.8%	Roxanne Conlin (D)	1,866	22.2%	170 [+]	2.0%	8,412	11	0.75%
[-] Other candidates in 2010: John Heiderscheit (Libertarian) 162 (1.9%); Other (Write-in) 8 (0.1%);
2010	G	50%	Terry Branstad (R)	5,430	64.3%	Chet Culver* (D)	2,449	29.0%	562 [+]	6.7%	8,441	12	0.75%
[-] Other candidates in 2010: Jonathan Narcisse (Iowa) 377 (4.5%); Eric Cooper (Libertarian) 94 (1.1%); Other (Write-in) 51 (0.6%); David Rosenfeld (Socialist Workers) 27 (0.3%); Gregory Hughes (I) 13 (0.2%);

2008	S2	64%	Tom Harkin* (D)	5,490	51.1%	Christopher Reed (R)	5,248	48.9%	5 [+]	0.0%	10,743	12	0.71%
[-] Other candidates in 2008: Other (Write-in) 5 (0.0%);
2006	G	44%	Jim Nussle (R)	4,432	59.3%	Chet Culver (D)	2,925	39.1%	116 [+]	1.6%	7,473	15	0.71%
[-] Other candidates in 2006: Kevin Litten (Libertarian) 46 (0.6%); Wendy Barth (Green) 36 (0.5%); Diana Newberry (Socialist Workers) 29 (0.4%); Other (Write-in) 5 (0.1%);
2004	S3	63%	Charles Grassley* (R)	8,542	81.4%	Arthur Small (D)	1,828	17.4%	127 [+]	1.2%	10,497	11	0.71%
[-] Other candidates in 2004: Christy Ann Welty (Libertarian) 72 (0.7%); Daryl Northrop (Green) 49 (0.5%); Edwin Fruit (Socialist Workers) 5 (0.0%); Other (Write-in) 1 (0.0%);
2002	S2	43%	Greg Ganske (R)	4,005	55.5%	Tom Harkin* (D)	3,124	43.3%	85 [+]	1.2%	7,214	12	0.71%
[-] Other candidates in 2002: Richard Moore (Libertarian) 41 (0.6%); Timothy Harthan (Green) 40 (0.6%); Other (Write-in) 4 (0.1%);
2002	G	43%	Doug Gross (R)	4,018	55.8%	Tom Vilsack* (D)	3,078	42.8%	101 [+]	1.4%	7,197	11	0.70%
[-] Other candidates in 2002: Clyde Cleveland (Libertarian) 57 (0.8%); Jay Robinson (Green) 37 (0.5%); Other (Write-in) 7 (0.1%);

1998	S3	42%	Charles Grassley* (R)	5,443	78.4%	David Osterberg (D)	1,449	20.9%	55 [+]	0.8%	6,947	10	0.73%
[-] Other candidates in 1998: Susan Marcus (Natural Law) 36 (0.5%); Margaret Trowe (Socialist Workers) 15 (0.2%); Other (Write-in) 4 (0.1%);
1998	G	42%	Jim Ross Lightfoot (R)	4,120	59.0%	Tom Vilsack (D)	2,807	40.2%	55 [+]	0.8%	6,982	13	0.73%
[-] Other candidates in 1998: Jim Hennager (Reform) 30 (0.4%); Mark Kennis (I) 11 (0.2%); Jim Schaefer (Natural Law) 10 (0.1%); Other (Write-in) 4 (0.1%);
1996	S2	54%	Jim Ross Lightfoot (R)	5,085	57.3%	Tom Harkin* (D)	3,717	41.8%	80 [+]	0.9%	8,882	11	0.73%
[-] Other candidates in 1996: Sue Atkinson (I) 48 (0.5%); Fred Gratzon (Natural Law) 12 (0.1%); Joe Sulentic (I) 10 (0.1%); Shirley Pena (Socialist Workers) 7 (0.1%); Other (Write-in) 3 (0.0%);
1994	G	43%	Terry Branstad* (R)	4,749	67.9%	Bonnie Campbell (D)	2,158	30.9%	85 [+]	1.2%	6,992	11	0.70%
[-] Other candidates in 1994: Richard Hughes (I) 31 (0.4%); Veronica Butler (Natural Law) 30 (0.4%); Other (Write-in) 12 (0.2%); Carl Olson (Libertarian) 10 (0.1%); Michael Galati (Socialist Workers) 2 (0.0%);
1992	S3	58%	Charles Grassley* (R)	6,946	75.3%	Jean Lloyd-Jones (D)	2,059	22.3%	225 [+]	2.4%	9,230	6	0.71%
[-] Other candidates in 1992: Stuart Zimmerman (Natural Law) 85 (0.9%); Mel Boring (I) 43 (0.5%); Roseanne Freeburg (I) 28 (0.3%); Richard Hughes (I) 25 (0.3%); Sue Atkinson (I) 17 (0.2%); Cleve Pulley (Socialist Workers) 14 (0.2%); Carl Olsen (Green) 13 (0.1%);
1990	S2	48%	Tom Tauke (R)	4,086	53.9%	Tom Harkin* (D)	3,499	46.1%	0	0.0%	7,585	8	0.77%
[-] Other candidates in 1990:
1990	G	48%	Terry Branstad* (R)	5,404	70.1%	Donald Avenson (D)	2,280	29.6%	28 [+]	0.4%	7,712	9	0.79%
[-] Other candidates in 1990: Nan Bailey (Socialist Workers) 27 (0.4%); Other (Write-in) 1 (0.0%);

1986	S3	43%	Charles Grassley* (R)	5,255	75.6%	John Roehrick (D)	1,680	24.2%	14 [+]	0.2%	6,949	10	0.78%
[-] Other candidates in 1986: John Masters (I) 14 (0.2%);
1986	G	44%	Terry Branstad* (R)	4,350	61.3%	Lowell Junkins (D)	2,751	38.7%	0	0.0%	7,101	9	0.78%
[-] Other candidates in 1986:
1984	S2	62%	Roger Jepsen* (R)	5,006	49.3%	Tom Harkin (D)	4,993	49.2%	158 [+]	1.6%	10,157	6	0.79%
[-] Other candidates in 1984: Gary DeYoung (I) 157 (1.5%); Other (Write-in) 1 (0.0%);
1982	G	50%	Terry Branstad (R)	4,593	54.7%	Roxanne Conlin (D)	3,756	44.7%	45 [+]	0.5%	8,394	2	0.81%
[-] Other candidates in 1982: Marcia Farrington (Libertarian) 24 (0.3%); Jim Bittner (Socialist) 19 (0.2%); Other (Write-in) 2 (0.0%);
1980	S3	60%	Charles Grassley (R)	5,696	56.6%	John Culver* (D)	4,259	42.3%	113 [+]	1.1%	10,068	3	0.79%
[-] Other candidates in 1980: Gary DeYoung (I) 54 (0.5%); Robert Hengerer (Libertarian) 30 (0.3%); John Henderson (I) 29 (0.3%);

1978	S2	46%	Roger Jepsen (R)	4,211	58.8%	Dick Clark* (D)	2,897	40.4%	57 [+]	0.8%	7,165	8	0.87%
[-] Other candidates in 1978: Gerald Baker (I) 29 (0.4%); Ben Olson (Libertarian) 28 (0.4%);
1978	G	46%	Robert Ray* (R)	4,063	55.7%	Jerry Fitzgerald (D)	3,185	43.7%	40 [+]	0.5%	7,288	-3	0.86%
[-] Other candidates in 1978: John Ball (Libertarian) 32 (0.4%); Joseph Grant (Socialist) 8 (0.1%);
1974	S3	48%	David Stanley (R)	3,922	53.2%	John Culver (D)	3,387	46.0%	60 [+]	0.8%	7,369	6	0.83%
[-] Other candidates in 1974: Lorin Oxley (American) 60 (0.8%);
1974	G	49%	Robert Ray* (R)	4,550	59.8%	James Schaben (D)	2,992	39.3%	66 [+]	0.9%	7,608	2	0.83%
[-] Other candidates in 1974: Ralph Scott (American) 66 (0.9%);
1972	S2	63%	Dick Clark (D)	4,839	50.2%	Jack Miller* (R)	4,685	48.6%	123 [+]	1.3%	9,647	4	0.80%
[-] Other candidates in 1972: William Rocap (American Independent) 110 (1.1%); Fred Benton (I) 13 (0.1%);
1972	G	64%	Robert Ray* (R)	6,075	61.7%	Paul Franzenburg (D)	3,559	36.1%	213 [+]	2.2%	9,847	3	0.81%
[-] Other candidates in 1972: Robert Dilley (American Independent) 213 (2.2%);
1970	G	47%	Robert Ray* (R)	3,457	51.2%	Robert Fulton (D)	2,966	43.9%	328 [+]	4.9%	6,751	0	0.85%
[-] Other candidates in 1970: Robert Dilley (American Independent) 328 (4.9%);

1968	S3	70%	David Stanley (R)	5,091	52.7%	Harold Hughes (D)	4,562	47.2%	8 [+]	0.1%	9,661	3	0.84%
[-] Other candidates in 1968: Verne Higens (Prohibition) 8 (0.1%);
1968	G	69%	Robert Ray (R)	5,508	57.6%	Paul Franzenburg (D)	4,053	42.4%	7 [+]	0.1%	9,568	4	0.84%
[-] Other candidates in 1968: Harry Miller (Prohibition) 7 (0.1%);
1966	S2	53%	Jack Miller* (R)	4,547	60.6%	E.B. Smith (D)	2,812	37.5%	139 [+]	1.9%	7,498	0	0.87%
[-] Other candidates in 1966: Herbert Hoover (Independent American) 50 (0.7%); Robert Dilley (American Constitution) 49 (0.7%); Charles Day (Peace Independent) 27 (0.4%); Verne Higens (Prohibition) 13 (0.2%);
1966	G	57%	Harold Hughes* (D)	4,344	54.2%	William Murray (R)	3,617	45.1%	60 [+]	0.7%	8,021	1	0.90%
[-] Other candidates in 1966: David Quiner (American Constitution) 40 (0.5%); Charles Sloca (Independent American) 20 (0.2%);
1964	G	70%	Harold Hughes* (D)	6,823	68.1%	Evan Hultman (R)	3,064	30.6%	132 [+]	1.3%	10,019	-1	0.86%
[-] Other candidates in 1964: Robert Dilley (Conservative) 130 (1.3%); Other (Write-in) 2 (0.0%);
1962	S3	49%	Bourke Hickenlooper* (R)	4,087	58.0%	E.B. Smith (D)	2,962	42.0%	0	0.0%	7,049	5	0.87%
[-] Other candidates in 1962:
1962	G	51%	Norman Erbe* (R)	3,813	52.2%	Harold Hughes (D)	3,498	47.8%	0	0.0%	7,311	5	0.89%
[-] Other candidates in 1962:
1960	S2	71%	Jack Miller (R)	5,371	51.9%	Herschel Loveless (D)	4,973	48.1%	0	0.0%	10,344	0	0.84%
[-] Other candidates in 1960:
1960	G	71%	Norman Erbe (R)	5,951	57.4%	Edward McManus (D)	4,414	42.6%	0	0.0%	10,365	5	0.84%
[-] Other candidates in 1960:

*: incumbent +: ran on additional party lines Type: G: Governor; S1,S2,S3: Senate Class 1, 2 or 3
italics: special election RO: runoff election PSV: percent of state vote

Historical U.S. House Election Results for Mahaska County, IA

Click on the District to view county-level data for that election (where available).

2022 Census data
White:	20,235	92.20%	4.7%
Black:	382	1.74%	52.2%
Indian:	69	0.31%	46.8%
Asian:	418	1.90%	64.6%
2+ races:	275	1.25%	25.6%
Hispanic:	567	2.58%	57.5%

Total non-White:	1,711	7.80%	50.2%

Change in White population:	-1,007	-4.5
Change in Non-White pop.:	572	2.6

Date	District	Winner			Runner-Up			Other		Total Votes
2022-11-08	IA01	Mariannette Miller-Meeks* (R)	6,080	76.4%	Christina Bohannan (D)	1,865	23.4%	9	0.1%	7,954
County Total for 2022-11-08:										7,954

2020-11-03	IA02	Mariannette Miller-Meeks (R)	7,575	70.9%	Rita Hart (D)	3,076	28.8%	26	0.2%	10,677
County Total for 2020-11-03:										10,677

2018-11-06	IA02	Christopher Peters (R)	5,489	65.0%	Dave Loebsack* (D)	2,712	32.1%	247	2.9%	8,448
County Total for 2018-11-06:										8,448

2016-11-08	IA02	Christopher Peters (R)	6,585	66.0%	Dave Loebsack* (D)	3,384	33.9%	11	0.1%	9,980
County Total for 2016-11-08:										9,980

2014-11-04	IA02	Mariannette Miller-Meeks (R)	5,059	66.5%	Dave Loebsack* (D)	2,542	33.4%	9	0.1%	7,610
County Total for 2014-11-04:										7,610

2012-11-06	IA02	John Archer (R)	6,249	60.2%	Dave Loebsack* (D)	3,916	37.7%	215	2.1%	10,380
County Total for 2012-11-06:										10,380

2010-11-02	IA03	Brad Zaun (R)	4,663	55.9%	Leonard Boswell* (D)	3,396	40.7%	280	3.4%	8,339
County Total for 2010-11-02:										8,339

2008-11-04	IA03	Leonard Boswell* (D)	5,309	49.9%	Kim Schmett (R)	5,194	48.8%	140	1.3%	10,643
County Total for 2008-11-04:										10,643

2006-11-07	IA03	Jeff Lamberti (R)	4,320	58.3%	Leonard Boswell* (D)	2,988	40.3%	107	1.4%	7,415
County Total for 2006-11-07:										7,415

2004-11-02	IA03	Stan Thompson (R)	5,468	52.5%	Leonard Boswell* (D)	4,951	47.5%	4	0.0%	10,423
County Total for 2004-11-02:										10,423

2002-11-05	IA03	Stan Thompson (R)	3,847	53.6%	Leonard Boswell* (D)	3,259	45.4%	65	0.9%	7,171
County Total for 2002-11-05:										7,171

2000-11-07	IA03	Leonard Boswell* (D)	4,767	53.0%	Jay Marcus (R)	3,994	44.4%	235	2.6%	8,996
County Total for 2000-11-07:										8,996

1998-11-03	IA03	Larry McKibben (R)	3,643	52.7%	Leonard Boswell* (D)	3,158	45.7%	116	1.7%	6,917
County Total for 1998-11-03:										6,917

1996-11-05	IA03	Mike Mahaffey (R)	5,336	61.8%	Leonard Boswell (D)	3,172	36.7%	133	1.5%	8,641
County Total for 1996-11-05:										8,641

1994-11-08	IA03	Jim Ross Lightfoot* (R)	4,683	68.9%	Elaine Baxter (D)	2,025	29.8%	86	1.3%	6,794
County Total for 1994-11-08:										6,794

1992-11-03	IA03	Jim Ross Lightfoot* (R)	5,778	61.2%	Elaine Baxter (D)	3,533	37.4%	124	1.3%	9,435
County Total for 1992-11-03:										9,435

Year	Total	Republican		Democrat		Other		R/D Edge	R/D Edge %	VAPOP %
2023	9,550	5,806	60.8%	1,583	16.6%	2,161	22.6%	Rep +4,223	Rep +44.2%	57%
2022	12,542	6,958	55.5%	2,180	17.4%	3,404	27.1%	Rep +4,778	Rep +38.1%	75%
2020	14,217	7,220	50.8%	2,730	19.2%	4,267	30.0%	Rep +4,490	Rep +31.6%	85%
2018	13,793	6,995	50.7%	2,416	17.5%	4,382	31.8%	Rep +4,579	Rep +33.2%	83%
2016	13,915	6,909	49.7%	2,644	19.0%	4,362	31.3%	Rep +4,265	Rep +30.7%	83%
2014	13,850	5,919	42.7%	2,967	21.4%	4,964	35.8%	Rep +2,952	Rep +21.3%	82%
2012	14,028	5,923	42.2%	3,174	22.6%	4,931	35.2%	Rep +2,749	Rep +19.6%	83%
2010	14,723	6,067	41.2%	3,397	23.1%	5,259	35.7%	Rep +2,670	Rep +18.1%	87%
2008	14,695	5,646	38.4%	3,633	24.7%	5,416	36.9%	Rep +2,013	Rep +13.7%	87%
2006	14,022	5,552	39.6%	3,152	22.5%	5,318	37.9%	Rep +2,400	Rep +17.1%	83%
2004	14,791	5,943	40.2%	3,446	23.3%	5,402	36.5%	Rep +2,497	Rep +16.9%	88%
2002	13,822	5,826	42.2%	3,095	22.4%	4,901	35.5%	Rep +2,731	Rep +19.8%	83%
2000	13,631	5,674	41.6%	3,193	23.4%	4,764	34.9%	Rep +2,481	Rep +18.2%	82%
1994	11,983	5,680	47.4%	3,381	28.2%	2,922	24.4%	Rep +2,299	Rep +19.2%	74%
1986	12,239	4,499	36.8%	3,909	31.9%	3,831	31.3%	Rep +590	Rep +4.8%	75%

Mahaska County, IA

Historical Presidential Election Results for Mahaska County, IA

Historical Statewide Election Results for Mahaska County, IA

Historical U.S. House Election Results for Mahaska County, IA

Voter Registration Data for Mahaska County, IA