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Marion County, IA


Micropolitan Statistical Area: Pella, IA
Designated Market Area: Des Moines-Ames, IA-MO
USDA County Type (2015): Manufacturing
American Communities Project County Type (2023): Rural Middle America

Places in Marion County, IA     [Sort places by name]

 

Tracts in Marion County, IA

   



Click here to view demographic data for Marion County, IA

2022 population: 33,642   ( 333 from 2010 , 225 from 2020)
Land area: 554.5 square miles
Population density: 60.7 persons per square mile

2022 Census data
White:31,554 93.79% 0.9%
Black:3110.92% 47.4%
Indian:540.16% 22.7%
Asian:4841.44% 25.7%
2+ races:4331.29% 44.8%
Hispanic:8062.40% 51.8%
Total non-White:2,0886.21% 41.6%

2020-2022 ComponentsNumberRate
Births:810 12.1
Deaths:83812.5
Net Migration: 2283.4
Net Immigration: 200.3
Change in White population:-280 -0.8
Change in Non-White pop.:613 1.8



Historical Presidential Election Results for Marion County, IA



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

YearTurnout WinnerRunner-Up OtherTotal Votes Diff
(St)
Diff
(US)
PSV
2020 75% Donald Trump* (R) 12,663 65.8% Joe Biden (D) 6,178 32.1% 391 [+] 2.0% 19,232 13 19 1.14%
2016 71% Donald Trump (R) 10,962 61.5% Hillary Clinton (D) 5,482 30.8% 1,372 [+] 7.7% 17,816 10 16 1.14%
2012 71% Mitt Romney (R) 9,828 55.6% Barack Obama* (D) 7,507 42.4% 352 [+] 2.0% 17,687 9 8 1.12%
2008 69% John McCain (R) 9,256 54.3% Barack Obama (D) 7,421 43.6% 355 [+] 2.1% 17,032 10 9 1.11%
2004 69% George W. Bush* (R) 9,990 59.8% John Kerry (D) 6,574 39.4% 132 [+] 0.8% 16,696 10 9 1.11%
2000 60% George W. Bush (R) 8,358 58.0% Albert Gore, Jr. (D) 5,741 39.8% 309 [+] 2.1% 14,408 10 10 1.10%
1996 56% Robert Dole (R) 6,100 46.7% Bill Clinton* (D) 5,978 45.8% 974 [+] 7.5% 13,052 7 6 1.06%
1992 60% George Bush* (R) 6,062 44.8% Bill Clinton (D) 5,531 40.9% 1,940 [+] 14.3% 13,533 8 7 1.00%
1988 59% Michael Dukakis (D) 6,922 53.4% George Bush (R) 5,914 45.7% 118 [+] 0.9% 12,954 1 -8 1.06%
1984 63% Ronald Reagan* (R) 7,259 53.2% Walter Mondale (D) 6,313 46.3% 62 0.5% 13,634 0 -6 1.03%
1980 63% Ronald Reagan (R) 6,665 49.3% Jimmy Carter* (D) 5,490 40.6% 1,363 [+] 10.1% 13,518 -2 -1 1.03%
1976 62% Jimmy Carter (D) 6,226 52.5% Gerald Ford* (R) 5,429 45.8% 202 [+] 1.7% 11,857 -4 -2 0.93%
1972 63% Richard Nixon* (R) 6,583 57.1% George McGovern (D) 4,643 40.3% 305 [+] 2.6% 11,531 -1 -4 0.94%
1968 69% Richard Nixon (R) 5,791 52.4% Hubert Humphrey (D) 4,618 41.7% 653 [+] 5.9% 11,062 -1 9 0.95%
1964 75% Lyndon Johnson* (D) 7,911 66.8% Barry Goldwater (R) 3,903 33.0% 28 0.2% 11,842 -5 -6 1.00%
1960 77% Richard Nixon (R) 7,444 62.0% John Kennedy (D) 4,547 37.9% 17 0.1% 12,008 5 12 0.94%
1956 73% Dwight Eisenhower* (R) 6,830 56.1% Adlai Stevenson (D) 5,316 43.7% 22 0.2% 12,168 -3 -1 0.99%
1952 75% Dwight Eisenhower (R) 7,165 57.2% Adlai Stevenson (D) 5,196 41.5% 155 1.2% 12,516 -7 2 0.99%
1948 64% Harry Truman* (D) 6,300 58.0% Thomas Dewey (R) 4,312 39.7% 258 [+] 2.4% 10,870 -8 -5 1.05%
1944 66% Franklin Roosevelt* (D) 6,365 56.1% Thomas Dewey (R) 4,874 43.0% 99 0.9% 11,338 -9 -3 1.08%
1940 73% Franklin Roosevelt* (D) 6,915 54.2% Wendell Willkie (R) 5,763 45.2% 75 0.6% 12,753 -7 0 1.05%
1936 74% Franklin Roosevelt* (D) 6,745 56.3% Alf Landon (R) 4,975 41.5% 266 [+] 2.2% 11,986 -1 5 1.05%
1932 69% Franklin Roosevelt (D) 7,067 64.0% Herbert Hoover* (R) 3,695 33.5% 272 [+] 2.5% 11,034 -6 -6 1.06%
1928 68% Herbert Hoover (R) 6,225 60.2% Al Smith (D) 4,113 39.8% 0 0.0% 10,338 -2 2 1.02%
1924 70% Calvin Coolidge (R) 5,058 47.7% Robert LaFollette (Prog) 3,154 29.8% 2,383 [+] 22.5% 10,595 -7 -6 1.08%
1920 65% Warren Harding (R) 5,435 56.6% James Cox (D) 3,861 40.2% 303 [+] 3.2% 9,599 -14 -4 1.07%
1916 41% Woodrow Wilson* (D) 3,094 54.0% Charles Evans Hughes (R) 2,459 42.9% 179 [+] 3.1% 5,732 -11 -3 1.11%
1912 39% Woodrow Wilson (D) 2,276 43.3% Theodore Roosevelt (Prog) 1,419 27.0% 1,560 [+] 29.7% 5,255 -2 -1 1.07%
1908 44% William J. Bryan (D) 2,739 48.1% William Taft (R) 2,625 46.1% 328 [+] 5.8% 5,692 -10 -5 1.15%
1904 43% Theodore Roosevelt (R) 2,988 53.1% Alton Parker (D) 2,202 39.1% 442 [+] 7.8% 5,632 -10 -3 1.16%
1900 46% William J. Bryan (D) 2,950 48.5% William McKinley* (R) 2,950 48.5% 179 [+] 2.9% 6,079 -10 -3 1.15%
* incumbent         PSV: percent of state vote



2020 President, Marion County, IA
CandidateVotesPct
Joe Biden (D) 6,178 32.1%
Donald Trump* (R) 12,663 65.8%
Jo Jorgensen (Lbt) 233 1.2%
Other 158 0.8%
TOTAL 19,232
Turnout: 75% Diff (St): 13 Diff (US): 19


2016 President, Marion County, IA
CandidateVotesPct
Hillary Clinton (D) 5,482 30.8%
Donald Trump (R) 10,962 61.5%
Gary Johnson (Lbt) 706 4.0%
Jill Stein (Grn) 73 0.4%
Evan McMullin (I) 204 1.1%
Other 389 2.2%
TOTAL 17,816
Turnout: 71% Diff (St): 10 Diff (US): 16


2012 President, Marion County, IA
CandidateVotesPct
Barack Obama* (D) 7,507 42.4%
Mitt Romney (R) 9,828 55.6%
Gary Johnson (Lbt) 149 0.8%
Other 203 1.1%
TOTAL 17,687
Turnout: 71% Diff (St): 9 Diff (US): 8


2008 President, Marion County, IA
CandidateVotesPct
Barack Obama (D) 7,421 43.6%
John McCain (R) 9,256 54.3%
Ralph Nader (I) 91 0.5%
Bob Barr (Lbt) 62 0.4%
Other 202 1.2%
TOTAL 17,032
Turnout: 69% Diff (St): 10 Diff (US): 9


2004 President, Marion County, IA
CandidateVotesPct
George W. Bush* (R) 9,990 59.8%
John Kerry (D) 6,574 39.4%
Ralph Nader (I) 69 0.4%
Other 63 0.4%
TOTAL 16,696
Turnout: 69% Diff (St): 10 Diff (US): 9


2000 President, Marion County, IA
CandidateVotesPct
George W. Bush (R) 8,358 58.0%
Albert Gore, Jr. (D) 5,741 39.8%
Ralph Nader (Grn) 208 1.4%
Pat Buchanan (Ref) 41 0.3%
Other 60 0.4%
TOTAL 14,408
Turnout: 60% Diff (St): 10 Diff (US): 10


1996 President, Marion County, IA
CandidateVotesPct
Bill Clinton* (D) 5,978 45.8%
Robert Dole (R) 6,100 46.7%
Ross Perot (Ref) 871 6.7%
Ralph Nader (Grn) 52 0.4%
Harry Browne (Lbt) 12 0.1%
Other 39 0.3%
TOTAL 13,052
Turnout: 56% Diff (St): 7 Diff (US): 6


1992 President, Marion County, IA
CandidateVotesPct
Bill Clinton (D) 5,531 40.9%
George Bush* (R) 6,062 44.8%
Ross Perot (I) 1,896 14.0%
Other 44 0.3%
TOTAL 13,533
Turnout: 60% Diff (St): 8 Diff (US): 7


1988 President, Marion County, IA
CandidateVotesPct
George Bush (R) 5,914 45.7%
Michael Dukakis (D) 6,922 53.4%
Ron Paul (Lbt) 9 0.1%
Other 109 0.8%
TOTAL 12,954
Turnout: 59% Diff (St): 1 Diff (US): -8


1984 President, Marion County, IA
CandidateVotesPct
Ronald Reagan* (R) 7,259 53.2%
Walter Mondale (D) 6,313 46.3%
Other 62 0.5%
TOTAL 13,634
Turnout: 63% Diff (St): 0 Diff (US): -6


1980 President, Marion County, IA
CandidateVotesPct
Ronald Reagan (R) 6,665 49.3%
Jimmy Carter* (D) 5,490 40.6%
John Anderson (I) 1,232 9.1%
Edward Clark (Lbt) 108 0.8%
Other 23 0.2%
TOTAL 13,518
Turnout: 63% Diff (St): -2 Diff (US): -1


1976 President, Marion County, IA
CandidateVotesPct
Jimmy Carter (D) 6,226 52.5%
Gerald Ford* (R) 5,429 45.8%
Eugene McCarthy (I) 149 1.3%
Other 53 0.4%
TOTAL 11,857
Turnout: 62% Diff (St): -4 Diff (US): -2


1972 President, Marion County, IA
CandidateVotesPct
Richard Nixon* (R) 6,583 57.1%
George McGovern (D) 4,643 40.3%
John Schmitz (Amer) 290 2.5%
Other 15 0.1%
TOTAL 11,531
Turnout: 63% Diff (St): -1 Diff (US): -4


1968 President, Marion County, IA
CandidateVotesPct
Richard Nixon (R) 5,791 52.4%
Hubert Humphrey (D) 4,618 41.7%
George Wallace (AIP) 597 5.4%
Other 56 0.5%
TOTAL 11,062
Turnout: 69% Diff (St): -1 Diff (US): 9


1964 President, Marion County, IA
CandidateVotesPct
Lyndon Johnson* (D) 7,911 66.8%
Barry Goldwater (R) 3,903 33.0%
Other 28 0.2%
TOTAL 11,842
Turnout: 75% Diff (St): -5 Diff (US): -6


1960 President, Marion County, IA
CandidateVotesPct
John Kennedy (D) 4,547 37.9%
Richard Nixon (R) 7,444 62.0%
Other 17 0.1%
TOTAL 12,008
Turnout: 77% Diff (St): 5 Diff (US): 12


1956 President, Marion County, IA
CandidateVotesPct
Dwight Eisenhower* (R) 6,830 56.1%
Adlai Stevenson (D) 5,316 43.7%
Other 22 0.2%
TOTAL 12,168
Turnout: 73% Diff (St): -3 Diff (US): -1


1952 President, Marion County, IA
CandidateVotesPct
Dwight Eisenhower (R) 7,165 57.2%
Adlai Stevenson (D) 5,196 41.5%
Other 155 1.2%
TOTAL 12,516
Turnout: 75% Diff (St): -7 Diff (US): 2


1948 President, Marion County, IA
CandidateVotesPct
Harry Truman* (D) 6,300 58.0%
Thomas Dewey (R) 4,312 39.7%
Henry Wallace (Prog) 111 1.0%
Other 147 1.4%
TOTAL 10,870
Turnout: 64% Diff (St): -8 Diff (US): -5


1944 President, Marion County, IA
CandidateVotesPct
Franklin Roosevelt* (D) 6,365 56.1%
Thomas Dewey (R) 4,874 43.0%
Other 99 0.9%
TOTAL 11,338
Turnout: 66% Diff (St): -9 Diff (US): -3


1940 President, Marion County, IA
CandidateVotesPct
Franklin Roosevelt* (D) 6,915 54.2%
Wendell Willkie (R) 5,763 45.2%
Other 75 0.6%
TOTAL 12,753
Turnout: 73% Diff (St): -7 Diff (US): 0


1936 President, Marion County, IA
CandidateVotesPct
Franklin Roosevelt* (D) 6,745 56.3%
Alf Landon (R) 4,975 41.5%
William Lemke (Union) 243 2.0%
Norman Thomas (Soc) 8 0.1%
Other 15 0.1%
TOTAL 11,986
Turnout: 74% Diff (St): -1 Diff (US): 5


1932 President, Marion County, IA
CandidateVotesPct
Franklin Roosevelt (D) 7,067 64.0%
Herbert Hoover* (R) 3,695 33.5%
Norman Thomas (Soc) 228 2.1%
Other 44 0.4%
TOTAL 11,034
Turnout: 69% Diff (St): -6 Diff (US): -6


1928 President, Marion County, IA
CandidateVotesPct
Herbert Hoover (R) 6,225 60.2%
Al Smith (D) 4,113 39.8%
TOTAL 10,338
Turnout: 68% Diff (St): -2 Diff (US): 2


1924 President, Marion County, IA
CandidateVotesPct
Calvin Coolidge (R) 5,058 47.7%
John Davis (D) 2,383 22.5%
Robert LaFollette (Prog) 3,154 29.8%
TOTAL 10,595
Turnout: 70% Diff (St): -7 Diff (US): -6


1920 President, Marion County, IA
CandidateVotesPct
Warren Harding (R) 5,435 56.6%
James Cox (D) 3,861 40.2%
Eugene Debs (Soc) 213 2.2%
Parley Christiansen (FL) 24 0.3%
Aaron Watkins (Proh) 51 0.5%
Other 15 0.2%
TOTAL 9,599
Turnout: 65% Diff (St): -14 Diff (US): -4


1916 President, Marion County, IA
CandidateVotesPct
Woodrow Wilson* (D) 3,094 54.0%
Charles Evans Hughes (R) 2,459 42.9%
Allan Benson (Soc) 145 2.5%
James Hanly (Proh) 31 0.5%
Other 3 0.1%
TOTAL 5,732
Turnout: 41% Diff (St): -11 Diff (US): -3


1912 President, Marion County, IA
CandidateVotesPct
Woodrow Wilson (D) 2,276 43.3%
Theodore Roosevelt (Prog) 1,419 27.0%
William Taft* (R) 1,191 22.7%
Eugene Debs (Soc) 297 5.7%
Eugene Chafin (Proh) 72 1.4%
TOTAL 5,255
Turnout: 39% Diff (St): -2 Diff (US): -1


1908 President, Marion County, IA
CandidateVotesPct
William Taft (R) 2,625 46.1%
William J. Bryan (D) 2,739 48.1%
Eugene Debs (Soc) 154 2.7%
Eugene Chafin (Proh) 160 2.8%
Thomas Hisgen (I) 9 0.2%
Other 5 0.1%
TOTAL 5,692
Turnout: 44% Diff (St): -10 Diff (US): -5


1904 President, Marion County, IA
CandidateVotesPct
Theodore Roosevelt (R) 2,988 53.1%
Alton Parker (D) 2,202 39.1%
Eugene Debs (Soc) 234 4.2%
Silas Swallow (Proh) 191 3.4%
Thomas Watson (Pop) 17 0.3%
TOTAL 5,632
Turnout: 43% Diff (St): -10 Diff (US): -3


1900 President, Marion County, IA
CandidateVotesPct
William McKinley* (R) 2,950 48.5%
William J. Bryan (D) 2,950 48.5%
John Woolley (Proh) 153 2.5%
Eugene Debs (Soc) 7 0.1%
Other 19 0.3%
TOTAL 6,079
Turnout: 46% Diff (St): -10 Diff (US): -3
* incumbent

Historical Statewide Election Results for Marion County, IA

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

YearTypeTurnout WinnerRunner-Up OtherTotal VotesDiff PSV
2022 S3 55% Charles Grassley* (R) 9,799 69.2% Michael Franken (D) 4,341 30.7% 20 [+] 0.1% 14,160 13 1.16%
2022 G 56% Kim Reynolds* (R) 10,237 71.3% Deidre DeJear (D) 3,808 26.5% 319 [+] 2.2% 14,364 13 1.18%
2020 S2 74% Joni Ernst* (R) 12,211 64.1% Theresa Greenfield (D) 6,269 32.9% 582 [+] 3.1% 19,062 12 1.14%
2018 G 59% Kim Reynolds* (R) 9,479 63.0% Fred Hubbell (D) 5,249 34.9% 323 [+] 2.1% 15,051 13 1.13%
2016 S3 70% Charles Grassley* (R) 12,407 70.4% Patty Judge (D) 4,562 25.9% 652 [+] 3.7% 17,621 10 1.14%
2014 S2 53% Joni Ernst (R) 8,387 62.9% Bruce Braley (D) 4,401 33.0% 551 [+] 4.1% 13,339 11 1.18%
2014 G 53% Terry Branstad* (R) 8,794 65.8% Jack Hatch (D) 4,000 29.9% 568 [+] 4.3% 13,362 7 1.18%
2010 S3 52% Charles Grassley* (R) 9,326 71.5% Roxanne Conlin (D) 3,409 26.2% 301 [+] 2.3% 13,036 7 1.17%
2010 G 52% Terry Branstad (R) 7,946 60.9% Chet Culver* (D) 4,278 32.8% 816 [+] 6.3% 13,040 8 1.16%
2008 S2 68% Tom Harkin* (D) 8,609 51.3% Christopher Reed (R) 8,168 48.7% 10 [+] 0.1% 16,787 11 1.12%
2006 G 49% Jim Nussle (R) 6,696 55.3% Chet Culver (D) 5,241 43.3% 166 [+] 1.4% 12,103 11 1.15%
2004 S3 67% Charles Grassley* (R) 12,592 77.0% Arthur Small (D) 3,574 21.8% 191 [+] 1.2% 16,357 7 1.11%
2002 S2 47% Greg Ganske (R) 5,819 51.1% Tom Harkin* (D) 5,437 47.7% 135 [+] 1.2% 11,391 7 1.11%
2002 G 48% Doug Gross (R) 5,973 51.9% Tom Vilsack* (D) 5,318 46.3% 207 [+] 1.8% 11,498 7 1.12%
1998 S3 42% Charles Grassley* (R) 7,107 71.9% David Osterberg (D) 2,737 27.7% 44 [+] 0.4% 9,888 3 1.04%
1998 G 43% Jim Ross Lightfoot (R) 5,578 55.2% Tom Vilsack (D) 4,433 43.9% 90 [+] 0.9% 10,101 9 1.06%
1996 S2 56% Jim Ross Lightfoot (R) 6,943 53.6% Tom Harkin* (D) 5,905 45.6% 98 [+] 0.8% 12,946 7 1.06%
1994 G 45% Terry Branstad* (R) 6,395 62.4% Bonnie Campbell (D) 3,740 36.5% 113 [+] 1.1% 10,248 6 1.03%
1992 S3 58% Charles Grassley* (R) 9,241 70.5% Jean Lloyd-Jones (D) 3,567 27.2% 295 [+] 2.3% 13,103 1 1.01%
1990 S2 48% Tom Harkin* (D) 6,015 55.8% Tom Tauke (R) 4,773 44.2% 1 [+] 0.0% 10,789 -2 1.10%
1990 G 49% Terry Branstad* (R) 6,617 61.1% Donald Avenson (D) 4,187 38.7% 26 [+] 0.2% 10,830 0 1.11%
1986 S3 42% Charles Grassley* (R) 5,720 62.7% John Roehrick (D) 3,382 37.1% 14 [+] 0.2% 9,116 -3 1.02%
1986 G 43% Terry Branstad* (R) 4,901 52.3% Lowell Junkins (D) 4,460 47.6% 2 [+] 0.0% 9,363 0 1.03%
1984 S2 61% Tom Harkin (D) 7,475 56.1% Roger Jepsen* (R) 5,755 43.2% 95 [+] 0.7% 13,325 0 1.03%
1982 G 47% Terry Branstad (R) 5,387 52.9% Roxanne Conlin (D) 4,755 46.7% 50 [+] 0.5% 10,192 0 0.98%
1980 S3 61% Charles Grassley (R) 6,764 51.9% John Culver* (D) 6,106 46.9% 159 [+] 1.2% 13,029 -2 1.02%
1978 S2 37% Roger Jepsen (R) 3,882 52.8% Dick Clark* (D) 3,421 46.5% 48 [+] 0.7% 7,351 2 0.89%
1978 G 38% Robert Ray* (R) 4,113 55.1% Jerry Fitzgerald (D) 3,315 44.4% 37 [+] 0.5% 7,465 -3 0.89%
1974 S3 45% John Culver (D) 4,434 52.2% David Stanley (R) 3,966 46.7% 90 [+] 1.1% 8,490 -1 0.95%
1974 G 47% Robert Ray* (R) 5,127 57.8% James Schaben (D) 3,653 41.2% 86 [+] 1.0% 8,866 0 0.96%
1972 S2 61% Dick Clark (D) 5,933 53.6% Jack Miller* (R) 4,982 45.0% 155 [+] 1.4% 11,070 1 0.92%
1972 G 62% Robert Ray* (R) 6,371 56.7% Paul Franzenburg (D) 4,584 40.8% 287 [+] 2.6% 11,242 -2 0.93%
1970 G 46% Robert Ray* (R) 3,684 48.2% Robert Fulton (D) 3,539 46.3% 421 [+] 5.5% 7,644 -3 0.97%
1968 S3 68% Harold Hughes (D) 5,550 51.1% David Stanley (R) 5,308 48.8% 9 [+] 0.1% 10,867 -1 0.95%
1968 G 68% Robert Ray (R) 5,739 52.9% Paul Franzenburg (D) 5,094 47.0% 9 [+] 0.1% 10,842 -1 0.95%
1966 S2 57% Jack Miller* (R) 5,236 58.1% E.B. Smith (D) 3,706 41.2% 64 [+] 0.7% 9,006 -3 1.05%
1966 G 59% Harold Hughes* (D) 5,416 57.9% William Murray (R) 3,900 41.7% 34 [+] 0.4% 9,350 -2 1.05%
1964 G 73% Harold Hughes* (D) 8,330 72.0% Evan Hultman (R) 3,149 27.2% 83 [+] 0.7% 11,562 -4 0.99%
1962 S3 54% E.B. Smith (D) 4,220 50.0% Bourke Hickenlooper* (R) 4,220 50.0% 0 0.0% 8,440 -3 1.04%
1962 G 54% Harold Hughes (D) 4,673 54.9% Norman Erbe* (R) 3,841 45.1% 0 0.0% 8,514 -2 1.04%
1960 S2 75% Jack Miller (R) 5,946 50.3% Herschel Loveless (D) 5,867 49.7% 0 0.0% 11,813 -2 0.95%
1960 G 75% Norman Erbe (R) 6,428 54.8% Edward McManus (D) 5,304 45.2% 0 0.0% 11,732 3 0.95%
*: 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 Marion County, IA

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

DateDistrictWinnerRunner-Up OtherTotal Votes
2022-11-08 IA01Mariannette Miller-Meeks* (R) 9,842 69.8% Christina Bohannan (D) 4,235 30.1% 15 0.1% 14,092
County Total for 2022-11-08:   14,092
2020-11-03 IA02Mariannette Miller-Meeks (R) 12,146 66.3% Rita Hart (D) 6,124 33.4% 43 0.2% 18,313
County Total for 2020-11-03:   18,313
2018-11-06 IA02Christopher Peters (R) 8,796 59.2% Dave Loebsack* (D) 5,630 37.9% 434 2.9% 14,860
County Total for 2018-11-06:   14,860
2016-11-08 IA02Christopher Peters (R) 10,276 60.8% Dave Loebsack* (D) 6,611 39.1% 20 0.1% 16,907
County Total for 2016-11-08:   16,907
2014-11-04 IA02Mariannette Miller-Meeks (R) 7,726 58.8% Dave Loebsack* (D) 5,390 41.0% 17 0.1% 13,133
County Total for 2014-11-04:   13,133
2012-11-06 IA02John Archer (R) 9,373 55.5% Dave Loebsack* (D) 7,240 42.9% 276 1.6% 16,889
County Total for 2012-11-06:   16,889
2010-11-02 IA03Brad Zaun (R) 7,030 54.4% Leonard Boswell* (D) 5,407 41.8% 493 3.8% 12,930
County Total for 2010-11-02:   12,930
2008-11-04 IA03Leonard Boswell* (D) 8,292 49.9% Kim Schmett (R) 8,095 48.7% 233 1.4% 16,620
County Total for 2008-11-04:   16,620
2006-11-07 IA03Jeff Lamberti (R) 6,452 53.6% Leonard Boswell* (D) 5,448 45.2% 141 1.2% 12,041
County Total for 2006-11-07:   12,041
2004-11-02 IA03Stan Thompson (R) 8,240 50.7% Leonard Boswell* (D) 8,004 49.3% 5 0.0% 16,249
County Total for 2004-11-02:   16,249
2002-11-05 IA03Leonard Boswell* (D) 5,648 49.9% Stan Thompson (R) 5,562 49.1% 115 1.0% 11,325
County Total for 2002-11-05:   11,325
2000-11-07 IA03Leonard Boswell* (D) 7,952 57.0% Jay Marcus (R) 5,742 41.2% 253 1.8% 13,947
County Total for 2000-11-07:   13,947
1998-11-03 IA03Leonard Boswell* (D) 4,981 50.4% Larry McKibben (R) 4,777 48.4% 120 1.2% 9,878
County Total for 1998-11-03:   9,878
1996-11-05 IA03Mike Mahaffey (R) 6,990 55.2% Leonard Boswell (D) 5,491 43.4% 181 1.4% 12,662
County Total for 1996-11-05:   12,662
1994-11-08 IA03Jim Ross Lightfoot* (R) 6,440 65.0% Elaine Baxter (D) 3,375 34.1% 96 1.0% 9,911
County Total for 1994-11-08:   9,911
1992-11-03 IA03Jim Ross Lightfoot* (R) 7,232 55.6% Elaine Baxter (D) 5,420 41.7% 355 2.7% 13,007
County Total for 1992-11-03:   13,007
*: incumbent           sp: special election           RO: runoff election

Voter Registration Data for Marion County, IA

YearTotalRepublicanDemocratOtherR/D EdgeR/D Edge %VAPOP %
2023 17,392 9,003 51.8% 3,631 20.9% 4,758 27.4% Rep +5,372 Rep +30.9% 68%
2022 21,492 10,439 48.6% 4,614 21.5% 6,439 30.0% Rep +5,825 Rep +27.1% 84%
2020 23,196 10,652 45.9% 5,458 23.5% 7,086 30.5% Rep +5,194 Rep +22.4% 91%
2018 22,479 9,718 43.2% 5,068 22.5% 7,693 34.2% Rep +4,650 Rep +20.7% 88%
2016 22,850 9,663 42.3% 5,418 23.7% 7,769 34.0% Rep +4,245 Rep +18.6% 90%
2014 22,116 9,141 41.3% 5,265 23.8% 7,710 34.9% Rep +3,876 Rep +17.5% 88%
2012 21,783 9,111 41.8% 5,532 25.4% 7,140 32.8% Rep +3,579 Rep +16.4% 87%
2010 23,185 8,811 38.0% 6,504 28.1% 7,870 33.9% Rep +2,307 Rep +10.0% 93%
2008 22,660 8,134 35.9% 6,872 30.3% 7,654 33.8% Rep +1,262 Rep +5.6% 92%
2006 22,634 7,942 35.1% 6,287 27.8% 8,405 37.1% Rep +1,655 Rep +7.3% 92%
2004 22,466 7,958 35.4% 6,393 28.5% 8,115 36.1% Rep +1,565 Rep +7.0% 92%
2002 20,503 7,365 35.9% 6,096 29.7% 7,042 34.3% Rep +1,269 Rep +6.2% 85%
2000 20,988 7,070 33.7% 6,425 30.6% 7,493 35.7% Rep +645 Rep +3.1% 88%
1994 17,540 6,106 34.8% 6,762 38.6% 4,672 26.6% Dem +656 Dem +3.7% 77%
1986 16,394 4,537 27.7% 6,807 41.5% 5,050 30.8% Dem +2,270 Dem +13.8% 75%
VAPOP% is the estimated percentage of voting age population that is registered.
Registration data may include "inactive" voters.   Data for each year pertains to the November elections.