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Jerome County, ID


Metropolitan Statistical Area: Twin Falls, ID
Designated Market Area: Twin Falls, ID
USDA County Type (2015): Farming, Low Education
American Communities Project County Type (2023): Hispanic Centers

Places in Jerome County, ID     [Sort places by name]

 

Tracts in Jerome County, ID

   



Click here to view demographic data for Jerome County, ID

2022 population: 25,311   ( 2,937 from 2010 , 1,070 from 2020)
Land area: 597.5 square miles
Population density: 42.4 persons per square mile

2022 Census data
White:14,762 58.32% 1.3%
Black:980.39% 151.3%
Indian:1500.59% 3.8%
Asian:1400.55% 89.2%
2+ races:2891.14% 46.7%
Hispanic:9,87239.00% 42.5%
Total non-White:10,54941.68% 42.2%

2020-2022 ComponentsNumberRate
Births:784 16.2
Deaths:4509.3
Net Migration: 4829.9
Net Immigration: 2455.1
Change in White population:-196 -0.9
Change in Non-White pop.:3,133 14.0



Historical Presidential Election Results for Jerome County, ID

Recent Trends
VotesΔ MarginSwing %
2020 vs. 2016 R +1,090 R +526 D + 5.1%
D +564
2020 vs. 2012 R +930 R +736 R + 2.6%
D +194
2020 vs. 2008 R +837 R +738 R + 4.0%
D +99
2016 vs. 2008 R -253 R +212 R + 9.1%
D -465
How to interpret this table


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

YearTurnout WinnerRunner-Up OtherTotal Votes Diff
(St) 		Diff
(US) 		PSV
2020 45% Donald Trump* (R) 5,734 73.1% Joe Biden (D) 1,893 24.1% 213 [+] 2.7% 7,840 9 26 0.90%
2016 41% Donald Trump (R) 4,644 68.8% Hillary Clinton (D) 1,329 19.7% 778 [+] 11.5% 6,751 10 23 0.98%
2012 43% Mitt Romney (R) 4,804 71.5% Barack Obama* (D) 1,699 25.3% 214 [+] 3.2% 6,717 7 24 1.02%
2008 46% John McCain (R) 4,897 71.5% Barack Obama (D) 1,794 26.2% 156 [+] 2.3% 6,847 10 26 1.04%
2004 48% George W. Bush* (R) 5,177 78.7% John Kerry (D) 1,344 20.4% 59 [+] 0.9% 6,580 10 28 1.10%
2000 48% George W. Bush (R) 4,418 73.5% Albert Gore, Jr. (D) 1,360 22.6% 229 [+] 3.8% 6,007 6 26 1.20%
1996 53% Robert Dole (R) 3,358 54.8% Bill Clinton* (D) 1,679 27.4% 1,088 [+] 17.8% 6,125 3 14 1.25%
1992 63% George Bush* (R) 2,972 44.2% Ross Perot (I) 1,768 26.3% 1,980 [+] 29.5% 6,720 2 7 1.39%
1988 58% George Bush (R) 3,830 64.3% Michael Dukakis (D) 1,985 33.3% 140 [+] 2.4% 5,955 2 11 1.46%
1984 63% Ronald Reagan* (R) 4,913 78.5% Walter Mondale (D) 1,284 20.5% 62 1.0% 6,259 6 20 1.52%
1980 67% Ronald Reagan (R) 4,962 74.9% Jimmy Carter* (D) 1,368 20.6% 295 [+] 4.5% 6,625 8 24 1.51%
1976 63% Gerald Ford* (R) 3,188 61.4% Jimmy Carter (D) 1,800 34.7% 204 [+] 3.9% 5,192 2 13 1.51%
1972 69% Richard Nixon* (R) 3,661 75.1% George McGovern (D) 888 18.2% 325 [+] 6.7% 4,874 11 14 1.57%
1968 79% Richard Nixon (R) 2,785 60.5% Hubert Humphrey (D) 976 21.2% 841 [+] 18.3% 4,602 4 17 1.58%
1964 81% Barry Goldwater (R) 3,113 63.0% Lyndon Johnson* (D) 1,828 37.0% 0 0.0% 4,941 14 25 1.69%
1960 81% Richard Nixon (R) 3,031 58.5% John Kennedy (D) 2,151 41.5% 0 0.0% 5,182 5 9 1.72%
1956 71% Dwight Eisenhower* (R) 3,127 64.7% Adlai Stevenson (D) 1,705 35.3% 0 0.0% 4,832 4 7 1.77%
1952 75% Dwight Eisenhower (R) 3,807 74.2% Adlai Stevenson (D) 1,318 25.7% 5 0.1% 5,130 9 19 1.86%
1948 64% Thomas Dewey (R) 2,128 49.4% Harry Truman* (D) 2,124 49.3% 53 [+] 1.2% 4,305 2 4 2.00%
1944 63% Thomas Dewey (R) 2,157 55.3% Franklin Roosevelt* (D) 1,741 44.7% 0 0.0% 3,898 7 9 1.87%
1940 77% Wendell Willkie (R) 2,520 57.2% Franklin Roosevelt* (D) 1,881 42.7% 7 0.2% 4,408 12 12 1.87%
1936 76% Franklin Roosevelt* (D) 2,374 62.8% Alf Landon (R) 1,297 34.3% 107 [+] 2.8% 3,778 1 -2 1.89%
1932 79% Franklin Roosevelt (D) 2,219 60.3% Herbert Hoover* (R) 1,396 37.9% 67 [+] 1.8% 3,682 0 -2 1.97%
1928 69% Herbert Hoover (R) 2,050 72.4% Al Smith (D) 759 26.8% 22 [+] 0.8% 2,831 8 14 1.87%
1924 66% Calvin Coolidge (R) 1,107 46.9% Robert LaFollette (Prog) 889 37.7% 362 [+] 15.4% 2,358 0 -7 1.60%
1920 86% Warren Harding (R) 1,803 69.6% James Cox (D) 788 30.4% 0 0.0% 2,591 4 9 1.87%
* incumbent         PSV: percent of state vote



2020 President, Jerome County, ID
CandidateVotesPct
Joe Biden (D) 1,893 24.1%
Donald Trump* (R) 5,734 73.1%
Jo Jorgensen (Lbt) 100 1.3%
Other 113 1.4%
TOTAL 7,840
Turnout: 45% Diff (St): 9 Diff (US): 26


2016 President, Jerome County, ID
CandidateVotesPct
Hillary Clinton (D) 1,329 19.7%
Donald Trump (R) 4,644 68.8%
Gary Johnson (Lbt) 218 3.2%
Jill Stein (Grn) 52 0.8%
Evan McMullin (I) 419 6.2%
Other 89 1.3%
TOTAL 6,751
Turnout: 41% Diff (St): 10 Diff (US): 23


2012 President, Jerome County, ID
CandidateVotesPct
Barack Obama* (D) 1,699 25.3%
Mitt Romney (R) 4,804 71.5%
Gary Johnson (Lbt) 77 1.1%
Other 137 2.0%
TOTAL 6,717
Turnout: 43% Diff (St): 7 Diff (US): 24


2008 President, Jerome County, ID
CandidateVotesPct
Barack Obama (D) 1,794 26.2%
John McCain (R) 4,897 71.5%
Ralph Nader (I) 74 1.1%
Bob Barr (Lbt) 46 0.7%
Other 36 0.5%
TOTAL 6,847
Turnout: 46% Diff (St): 10 Diff (US): 26


2004 President, Jerome County, ID
CandidateVotesPct
George W. Bush* (R) 5,177 78.7%
John Kerry (D) 1,344 20.4%
Ralph Nader (I) 10 0.2%
Other 49 0.7%
TOTAL 6,580
Turnout: 48% Diff (St): 10 Diff (US): 28


2000 President, Jerome County, ID
CandidateVotesPct
George W. Bush (R) 4,418 73.5%
Albert Gore, Jr. (D) 1,360 22.6%
Ralph Nader (Grn) 24 0.4%
Pat Buchanan (Ref) 139 2.3%
Other 66 1.1%
TOTAL 6,007
Turnout: 48% Diff (St): 6 Diff (US): 26


1996 President, Jerome County, ID
CandidateVotesPct
Bill Clinton* (D) 1,679 27.4%
Robert Dole (R) 3,358 54.8%
Ross Perot (Ref) 1,014 16.6%
Harry Browne (Lbt) 28 0.5%
Other 46 0.8%
TOTAL 6,125
Turnout: 53% Diff (St): 3 Diff (US): 14


1992 President, Jerome County, ID
CandidateVotesPct
Bill Clinton (D) 1,739 25.9%
George Bush* (R) 2,972 44.2%
Ross Perot (I) 1,768 26.3%
Other 241 3.6%
TOTAL 6,720
Turnout: 63% Diff (St): 2 Diff (US): 7


1988 President, Jerome County, ID
CandidateVotesPct
George Bush (R) 3,830 64.3%
Michael Dukakis (D) 1,985 33.3%
Ron Paul (Lbt) 102 1.7%
Other 38 0.6%
TOTAL 5,955
Turnout: 58% Diff (St): 2 Diff (US): 11


1984 President, Jerome County, ID
CandidateVotesPct
Ronald Reagan* (R) 4,913 78.5%
Walter Mondale (D) 1,284 20.5%
Other 62 1.0%
TOTAL 6,259
Turnout: 63% Diff (St): 6 Diff (US): 20


1980 President, Jerome County, ID
CandidateVotesPct
Ronald Reagan (R) 4,962 74.9%
Jimmy Carter* (D) 1,368 20.6%
John Anderson (I) 178 2.7%
Edward Clark (Lbt) 101 1.5%
Other 16 0.2%
TOTAL 6,625
Turnout: 67% Diff (St): 8 Diff (US): 24


1976 President, Jerome County, ID
CandidateVotesPct
Jimmy Carter (D) 1,800 34.7%
Gerald Ford* (R) 3,188 61.4%
Other 204 3.9%
TOTAL 5,192
Turnout: 63% Diff (St): 2 Diff (US): 13


1972 President, Jerome County, ID
CandidateVotesPct
Richard Nixon* (R) 3,661 75.1%
George McGovern (D) 888 18.2%
John Schmitz (Amer) 316 6.5%
Other 9 0.2%
TOTAL 4,874
Turnout: 69% Diff (St): 11 Diff (US): 14


1968 President, Jerome County, ID
CandidateVotesPct
Richard Nixon (R) 2,785 60.5%
Hubert Humphrey (D) 976 21.2%
George Wallace (AIP) 841 18.3%
TOTAL 4,602
Turnout: 79% Diff (St): 4 Diff (US): 17


1956 President, Jerome County, ID
CandidateVotesPct
Dwight Eisenhower* (R) 3,127 64.7%
Adlai Stevenson (D) 1,705 35.3%
TOTAL 4,832
Turnout: 71% Diff (St): 4 Diff (US): 7


1952 President, Jerome County, ID
CandidateVotesPct
Dwight Eisenhower (R) 3,807 74.2%
Adlai Stevenson (D) 1,318 25.7%
Other 5 0.1%
TOTAL 5,130
Turnout: 75% Diff (St): 9 Diff (US): 19


1948 President, Jerome County, ID
CandidateVotesPct
Harry Truman* (D) 2,124 49.3%
Thomas Dewey (R) 2,128 49.4%
Henry Wallace (Prog) 48 1.1%
Other 5 0.1%
TOTAL 4,305
Turnout: 64% Diff (St): 2 Diff (US): 4


1940 President, Jerome County, ID
CandidateVotesPct
Franklin Roosevelt* (D) 1,881 42.7%
Wendell Willkie (R) 2,520 57.2%
Other 7 0.2%
TOTAL 4,408
Turnout: 77% Diff (St): 12 Diff (US): 12


1936 President, Jerome County, ID
CandidateVotesPct
Franklin Roosevelt* (D) 2,374 62.8%
Alf Landon (R) 1,297 34.3%
William Lemke (Union) 107 2.8%
TOTAL 3,778
Turnout: 76% Diff (St): 1 Diff (US): -2


1932 President, Jerome County, ID
CandidateVotesPct
Franklin Roosevelt (D) 2,219 60.3%
Herbert Hoover* (R) 1,396 37.9%
Norman Thomas (Soc) 6 0.2%
Other 61 1.7%
TOTAL 3,682
Turnout: 79% Diff (St): 0 Diff (US): -2


1928 President, Jerome County, ID
CandidateVotesPct
Herbert Hoover (R) 2,050 72.4%
Al Smith (D) 759 26.8%
Norman Thomas (Soc) 22 0.8%
TOTAL 2,831
Turnout: 69% Diff (St): 8 Diff (US): 14


1924 President, Jerome County, ID
CandidateVotesPct
Calvin Coolidge (R) 1,107 46.9%
John Davis (D) 362 15.4%
Robert LaFollette (Prog) 889 37.7%
TOTAL 2,358
Turnout: 66% Diff (St): 0 Diff (US): -7


1920 President, Jerome County, ID
CandidateVotesPct
Warren Harding (R) 1,803 69.6%
James Cox (D) 788 30.4%
TOTAL 2,591
Turnout: 86% Diff (St): 4 Diff (US): 9
* incumbent

Historical Statewide Election Results for Jerome County, ID

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

YearTypeTurnout WinnerRunner-Up OtherTotal VotesDiff PSV
2022 S3 28% Mike Crapo* (R) 3,506 72.1% David Roth (D) 803 16.5% 556 [+] 11.4% 4,865 11 0.82%
2022 G 28% Brad Little* (R) 3,161 65.1% Ammon Bundy (I) 1,051 21.6% 646 [+] 13.3% 4,858 5 0.82%
2020 S2 45% Jim Risch* (R) 5,450 70.0% Paulette Jordan (D) 1,978 25.4% 360 [+] 4.6% 7,788 7 0.91%
2018 G 32% Brad Little (R) 3,808 70.7% Paulette Jordan (D) 1,440 26.7% 136 [+] 2.5% 5,384 11 0.89%
2016 S3 41% Mike Crapo* (R) 4,931 73.0% Jerry Sturgill (D) 1,253 18.5% 574 [+] 8.5% 6,758 7 1.00%
2014 S2 27% Jim Risch* (R) 3,294 75.3% Nels Mitchell (D) 1,080 24.7% 0 0.0% 4,374 10 1.00%
2014 G 28% Butch Otter* (R) 2,797 63.5% A.J. Balukoff (D) 1,247 28.3% 364 [+] 8.3% 4,408 10 1.00%
2010 S3 30% Mike Crapo* (R) 3,709 79.5% Tom Sullivan (D) 782 16.8% 177 [+] 3.8% 4,668 8 1.04%
2010 G 30% Butch Otter* (R) 3,138 67.1% Keith Allred (D) 1,129 24.1% 409 [+] 8.7% 4,676 8 1.03%
2008 S2 46% Jim Risch (R) 4,343 63.4% Larry LaRocco (D) 1,786 26.1% 723 [+] 10.6% 6,852 6 1.06%
2006 G 34% Butch Otter* (R) 2,876 58.7% Jerry Brady (D) 1,849 37.8% 172 [+] 3.5% 4,897 6 1.09%
2002 S2 35% Larry Craig* (R) 3,260 71.4% Alan Blinken (D) 1,230 26.9% 79 [+] 1.7% 4,569 6 1.12%
2002 G 35% Dirk Kempthorne* (R) 3,065 66.9% Jerry Brady (D) 1,427 31.2% 87 [+] 1.9% 4,579 11 1.11%
1998 S3 39% Mike Crapo (R) 3,673 78.0% Bill Mauk (D) 940 20.0% 96 [+] 2.0% 4,709 8 1.25%
1998 G 39% Dirk Kempthorne (R) 3,328 69.9% Bob Huntley (D) 1,053 22.1% 383 [+] 8.0% 4,764 2 1.25%
1996 S2 54% Larry Craig* (R) 3,865 61.3% Walt Minnick (D) 2,221 35.2% 216 [+] 3.4% 6,302 4 1.27%
1994 G 47% Phil Batt (R) 3,105 59.0% Larry EchoHawk (D) 1,918 36.4% 242 [+] 4.6% 5,265 7 1.27%
1992 S3 61% Dirk Kempthorne (R) 3,297 50.8% Richard Stallings (D) 3,199 49.2% 0 0.0% 6,496 -6 1.36%
1990 S2 41% Larry Craig (R) 2,771 65.5% Ron Twilegar (D) 1,460 34.5% 0 0.0% 4,231 4 1.34%
1990 G 44% Cecil Andrus* (D) 2,852 63.7% Roger Fairchild (R) 1,622 36.3% 0 0.0% 4,474 4 1.40%
1986 S3 55% Steven Symms* (R) 3,004 53.7% John Evans (D) 2,590 46.3% 0 0.0% 5,594 2 1.46%
1986 G 56% David Leroy (R) 3,276 57.7% Cecil Andrus (D) 2,361 41.6% 36 [+] 0.6% 5,673 9 1.46%
1984 S2 59% James McClure* (R) 4,704 80.3% Peter Busch (D) 1,113 19.0% 38 [+] 0.6% 5,855 8 1.44%
1982 G 51% Phil Batt (R) 2,666 53.0% John Evans* (D) 2,364 47.0% 0 0.0% 5,030 4 1.54%
1980 S3 67% Steven Symms (R) 3,633 55.4% Frank Church* (D) 2,869 43.7% 59 [+] 0.9% 6,561 6 1.49%
1978 S2 48% James McClure* (R) 3,271 77.3% Dwight Jensen (D) 962 22.7% 0 0.0% 4,233 9 1.49%
1978 G 51% John Evans* (D) 2,514 56.6% Allan Larsen (R) 1,883 42.4% 43 [+] 1.0% 4,440 3 1.54%
1974 S3 53% Robert Smith (R) 2,252 56.2% Frank Church* (D) 1,693 42.2% 63 [+] 1.6% 4,008 14 1.55%
1974 G 53% Cecil Andrus* (D) 2,655 65.9% Jack Murphy (R) 1,237 30.7% 135 [+] 3.4% 4,027 4 1.55%
1972 S2 68% James McClure (R) 3,136 65.7% Bud Davis (D) 1,505 31.5% 132 [+] 2.8% 4,773 13 1.54%
1970 G 63% Don Samuelson* (R) 2,080 55.0% Cecil Andrus (D) 1,703 45.0% 0 0.0% 3,783 7 1.54%
1968 S3 78% Frank Church* (D) 2,277 50.2% George Hansen (R) 2,261 49.8% 0 0.0% 4,538 10 1.58%
1966 S2 71% Len Jordan* (R) 2,803 66.1% Ralph Harding (D) 1,440 33.9% 0 0.0% 4,243 11 1.68%
1966 G 71% Don Samuelson (R) 2,333 55.2% Cecil Andrus (D) 1,212 28.7% 682 [+] 16.1% 4,227 14 1.67%
1962 S3 76% Jack Hawley (R) 2,548 53.9% Frank Church* (D) 2,183 46.1% 0 0.0% 4,731 9 1.83%
1962 S2 75% Len Jordan (R) 2,903 61.9% Gracie Pfost (D) 1,784 38.1% 0 0.0% 4,687 11 1.82%
1962 G 74% Vernon Smith (D) 2,532 55.1% Robert Smylie* (R) 2,067 44.9% 0 0.0% 4,599 -10 1.80%
1960 S2 County data not available for this election: Henry Dworshak* (R) defeated Bob McLaughlin (D) statewide.
*: 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 Jerome County, ID

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

DateDistrictWinnerRunner-Up OtherTotal Votes
2022-11-08 ID02Mike Simpson* (R) 3,701 79.5% Wendy Norman (D) 955 20.5% 0 0.0% 4,656
County Total for 2022-11-08:   4,656
2020-11-03 ID02Mike Simpson* (R) 5,808 75.6% Aaron Swisher (D) 1,470 19.1% 408 5.3% 7,686
County Total for 2020-11-03:   7,686
2018-11-06 ID02Mike Simpson* (R) 4,000 75.5% Aaron Swisher (D) 1,299 24.5% 0 0.0% 5,299
County Total for 2018-11-06:   5,299
2016-11-08 ID02Mike Simpson* (R) 4,710 70.4% Jennifer Martinez (D) 1,320 19.7% 663 9.9% 6,693
County Total for 2016-11-08:   6,693
2014-11-04 ID02Mike Simpson* (R) 3,104 71.1% Richard Stallings (D) 1,259 28.9% 0 0.0% 4,363
County Total for 2014-11-04:   4,363
2012-11-06 ID02Mike Simpson* (R) 4,965 74.8% Nicole LeFavour (D) 1,672 25.2% 2 0.0% 6,639
County Total for 2012-11-06:   6,639
2010-11-02 ID02Mike Simpson* (R) 3,587 77.4% Mike Crawford (D) 736 15.9% 309 6.7% 4,632
County Total for 2010-11-02:   4,632
2008-11-04 ID02Mike Simpson* (R) 5,231 78.2% Deborah Holmes (D) 1,459 21.8% 0 0.0% 6,690
County Total for 2008-11-04:   6,690
2006-11-07 ID02Mike Simpson* (R) 3,465 71.3% Jim Hansen (D) 1,195 24.6% 197 4.1% 4,857
County Total for 2006-11-07:   4,857
2004-11-02 ID02Mike Simpson* (R) 5,008 81.6% Lin Whitworth (D) 1,127 18.4% 0 0.0% 6,135
County Total for 2004-11-02:   6,135
2002-11-05 ID02Mike Simpson* (R) 3,446 76.4% Edward Kinghorn (D) 950 21.1% 115 2.5% 4,511
County Total for 2002-11-05:   4,511
2000-11-07 ID02Mike Simpson* (R) 4,785 79.0% Craig Williams (D) 1,143 18.9% 132 2.2% 6,060
County Total for 2000-11-07:   6,060
1998-11-03 ID02Mike Simpson (R) 2,632 55.4% Richard Stallings (D) 1,958 41.2% 163 3.4% 4,753
County Total for 1998-11-03:   4,753
1996-11-05 ID02Mike Crapo* (R) 4,256 68.6% John Seidl (D) 1,855 29.9% 92 1.5% 6,203
County Total for 1996-11-05:   6,203
1994-11-08 ID02Mike Crapo* (R) 4,008 78.2% Penny Fletcher (D) 1,117 21.8% 0 0.0% 5,125
County Total for 1994-11-08:   5,125
1992-11-03 ID02Mike Crapo (R) 4,349 65.5% J.D. Williams (D) 2,095 31.6% 196 3.0% 6,640
County Total for 1992-11-03:   6,640
*: incumbent           sp: special election           RO: runoff election

Voter Registration Data for Jerome County, ID

YearTotalRepublicanDemocratOtherR/D EdgeR/D Edge %VAPOP %
2023 8,599 5,394 62.7% 804 9.3% 2,401 27.9% Rep +4,590 Rep +53.4% 49%
2022 8,998 5,484 60.9% 899 10.0% 2,615 29.1% Rep +4,585 Rep +51.0% 51%
2020 9,331 5,456 58.5% 995 10.7% 2,880 30.9% Rep +4,461 Rep +47.8% 53%
2018 7,989 4,423 55.4% 681 8.5% 2,885 36.1% Rep +3,742 Rep +46.8% 47%
2016 7,990 4,098 51.3% 575 7.2% 3,317 41.5% Rep +3,523 Rep +44.1% 48%
2014 7,488 3,015 40.3% 411 5.5% 4,062 54.2% Rep +2,604 Rep +34.8% 46%
2012 9,554 0 0.0% 0 0.0% 9,554 100.0% n/a n/a 60%
2010 8,558 0 0.0% 0 0.0% 8,558 100.0% n/a n/a 55%
2008 10,098 0 0.0% 0 0.0% 10,098 100.0% n/a n/a 68%
2006 8,528 0 0.0% 0 0.0% 8,528 100.0% n/a n/a 60%
2004 8,786 0 0.0% 0 0.0% 8,786 100.0% n/a n/a 64%
2002 8,403 0 0.0% 0 0.0% 8,403 100.0% n/a n/a 64%
2000 9,449 0 0.0% 0 0.0% 9,449 100.0% n/a n/a 75%
1998 8,532 0 0.0% 0 0.0% 8,532 100.0% n/a n/a 71%
1994 8,198 0 0.0% 0 0.0% 8,198 100.0% n/a n/a 73%
1986 7,701 0 0.0% 0 0.0% 7,701 100.0% n/a n/a 76%
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.