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Butler County, IA


Designated Market Area: Cedar Rapids-Waterloo-Dubuque, IA
American Communities Project County Type (2023): Rural Middle America

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

 

Tracts in Butler County, IA

   



Click here to view demographic data for Butler County, IA

2024 population: 14,156   ( 180 from 2020)
Land area: 580.1 square miles
Population density: 24.4 persons per square mile

2024 Census data
White:13,387 94.57% 3.0%
Black:570.40% 32.6%
Indian:250.18% 31.6%
Asian:2411.70% 68.5%
2+ races:1721.22% 24.6%
Hispanic:2741.94% 39.1%
Total non-White:7695.43% 42.4%

2020-2024 ComponentsNumberRate
Births:641 11.2
Deaths:80614.1
Net Migration: -101-1.8
Net Immigration: 821.4
Change in White population:-409 -2.9
Change in Non-White pop.:229 1.6



Historical Presidential Election Results for Butler County, IA

Recent Trends
VotesΔ MarginSwing %
2024 vs. 2020 R +242 R +522 R + 6.8%
D -280
2024 vs. 2016 R +863 R +876 R + 6.9%
D -13
2020 vs. 2016 R +621 R +354 R + 0.1%
D +267
2024 vs. 2012 R +1,678 R +2,863 R + 35.5%
D -1,185
2016 vs. 2008 R +1,221 R +2,428 R + 34.3%
D -1,207
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
2024 74% Donald Trump (R) 5,784 71.9% Kamala Harris (D) 2,144 26.6% 118 [+] 1.5% 8,046 16 22 0.48%
2020 74% Donald Trump* (R) 5,542 68.4% Joe Biden (D) 2,424 29.9% 132 [+] 1.6% 8,098 15 22 0.48%
2016 67% Donald Trump (R) 4,921 65.5% Hillary Clinton (D) 2,157 28.7% 435 [+] 5.8% 7,513 14 20 0.48%
2012 67% Mitt Romney (R) 4,106 54.4% Barack Obama* (D) 3,329 44.1% 110 [+] 1.5% 7,545 8 7 0.48%
2008 63% John McCain (R) 3,700 51.6% Barack Obama (D) 3,364 46.9% 102 [+] 1.4% 7,166 7 6 0.47%
2004 65% George W. Bush* (R) 4,417 59.1% John Kerry (D) 3,001 40.1% 57 [+] 0.8% 7,475 9 8 0.50%
2000 58% George W. Bush (R) 3,837 57.1% Albert Gore, Jr. (D) 2,735 40.7% 152 [+] 2.3% 6,724 9 9 0.51%
1996 57% Bill Clinton* (D) 3,061 46.2% Robert Dole (R) 3,036 45.8% 534 [+] 8.1% 6,631 6 5 0.54%
1992 62% George Bush* (R) 3,209 45.0% Bill Clinton (D) 2,548 35.7% 1,380 [+] 19.3% 7,137 8 8 0.53%
1988 52% George Bush (R) 3,523 57.3% Michael Dukakis (D) 2,593 42.2% 30 [+] 0.5% 6,146 13 4 0.50%
1984 57% Ronald Reagan* (R) 4,570 66.0% Walter Mondale (D) 2,323 33.5% 31 0.4% 6,924 13 7 0.52%
1980 57% Ronald Reagan (R) 4,730 65.9% Jimmy Carter* (D) 1,990 27.7% 457 [+] 6.4% 7,177 15 15 0.54%
1976 59% Gerald Ford* (R) 4,207 61.8% Jimmy Carter (D) 2,503 36.8% 98 [+] 1.4% 6,808 12 14 0.53%
1972 57% Richard Nixon* (R) 4,615 71.8% George McGovern (D) 1,682 26.2% 129 [+] 2.0% 6,426 14 11 0.52%
1968 65% Richard Nixon (R) 4,651 70.6% Hubert Humphrey (D) 1,673 25.4% 265 [+] 4.0% 6,589 18 27 0.56%
1964 66% Barry Goldwater (R) 3,462 50.7% Lyndon Johnson* (D) 3,370 49.3% 0 0.0% 6,832 13 12 0.58%
1960 73% Richard Nixon (R) 5,345 70.2% John Kennedy (D) 2,268 29.8% 3 0.0% 7,616 13 21 0.60%
1956 72% Dwight Eisenhower* (R) 5,669 71.2% Adlai Stevenson (D) 2,289 28.8% 3 0.0% 7,961 12 14 0.64%
1952 74% Dwight Eisenhower (R) 6,360 77.5% Adlai Stevenson (D) 1,836 22.4% 14 0.2% 8,210 14 22 0.65%
1948 58% Thomas Dewey (R) 3,380 51.9% Harry Truman* (D) 3,008 46.2% 125 [+] 1.9% 6,513 4 7 0.63%
1944 57% Thomas Dewey (R) 4,182 65.0% Franklin Roosevelt* (D) 2,225 34.6% 24 0.4% 6,431 13 19 0.61%
1940 67% Wendell Willkie (R) 4,848 63.6% Franklin Roosevelt* (D) 2,760 36.2% 20 0.3% 7,628 12 19 0.63%
1936 70% Franklin Roosevelt* (D) 3,786 50.1% Alf Landon (R) 3,604 47.7% 161 [+] 2.1% 7,551 5 11 0.66%
1932 67% Franklin Roosevelt (D) 4,028 56.6% Herbert Hoover* (R) 3,012 42.3% 76 [+] 1.1% 7,116 2 3 0.69%
1928 64% Herbert Hoover (R) 4,789 71.9% Al Smith (D) 1,876 28.1% 0 0.0% 6,665 10 14 0.66%
1924 62% Calvin Coolidge (R) 3,823 59.6% Robert LaFollette (Prog) 1,921 30.0% 667 [+] 10.4% 6,411 5 6 0.66%
1920 65% Warren Harding (R) 5,900 86.7% James Cox (D) 830 12.2% 76 [+] 1.1% 6,806 16 26 0.76%
1916 38% Charles Evans Hughes (R) 2,722 72.5% Woodrow Wilson* (D) 977 26.0% 58 [+] 1.5% 3,757 18 26 0.73%
1912 36% Theodore Roosevelt (Prog) 1,553 44.4% Woodrow Wilson (D) 926 26.5% 1,018 [+] 29.1% 3,497 1 3 0.71%
1908 38% William Taft (R) 2,467 69.3% William J. Bryan (D) 994 27.9% 98 [+] 2.8% 3,559 14 18 0.72%
1904 38% Theodore Roosevelt (R) 2,743 75.0% Alton Parker (D) 815 22.3% 100 [+] 2.7% 3,658 12 19 0.75%
1900 43% William McKinley* (R) 2,902 70.0% William J. Bryan (D) 1,167 28.2% 76 [+] 1.8% 4,145 12 18 0.78%
* incumbent         PSV: percent of state vote

Historical Statewide Election Results for Butler 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) 4,334 72.1% Michael Franken (D) 1,669 27.8% 6 [+] 0.1% 6,009 16 0.49%
2022 G 56% Kim Reynolds* (R) 4,501 74.2% Deidre DeJear (D) 1,429 23.6% 136 [+] 2.2% 6,066 16 0.50%
2020 S2 73% Joni Ernst* (R) 5,291 66.1% Theresa Greenfield (D) 2,474 30.9% 244 [+] 3.0% 8,009 14 0.48%
2018 G 56% Kim Reynolds* (R) 3,952 64.2% Fred Hubbell (D) 2,064 33.5% 140 [+] 2.3% 6,156 14 0.46%
2016 S3 67% Charles Grassley* (R) 5,433 72.8% Patty Judge (D) 1,782 23.9% 249 [+] 3.3% 7,464 13 0.48%
2014 S2 52% Joni Ernst (R) 3,630 62.7% Bruce Braley (D) 1,944 33.6% 214 [+] 3.7% 5,788 11 0.51%
2014 G 51% Terry Branstad* (R) 3,888 67.3% Jack Hatch (D) 1,673 29.0% 216 [+] 3.7% 5,777 8 0.51%
2010 S3 50% Charles Grassley* (R) 4,339 76.1% Roxanne Conlin (D) 1,258 22.1% 107 [+] 1.9% 5,704 12 0.51%
2010 G 50% Terry Branstad (R) 3,485 61.2% Chet Culver* (D) 1,969 34.5% 245 [+] 4.3% 5,699 8 0.51%
2008 S2 62% Tom Harkin* (D) 4,031 57.0% Christopher Reed (R) 3,030 42.9% 5 [+] 0.1% 7,066 6 0.47%
2006 G 50% Jim Nussle (R) 2,960 51.6% Chet Culver (D) 2,686 46.8% 90 [+] 1.6% 5,736 7 0.54%
2004 S3 65% Charles Grassley* (R) 6,042 81.4% Art Small (D) 1,302 17.5% 83 [+] 1.1% 7,427 11 0.50%
2002 S2 43% Greg Ganske (R) 2,510 51.2% Tom Harkin* (D) 2,290 46.7% 106 [+] 2.2% 4,906 7 0.48%
2002 G 43% Doug Gross (R) 2,475 50.4% Tom Vilsack* (D) 2,232 45.5% 202 [+] 4.1% 4,909 6 0.48%
1998 S3 43% Charles Grassley* (R) 4,007 80.1% David Osterberg (D) 959 19.2% 37 [+] 0.7% 5,003 12 0.53%
1998 G 43% Jim Ross Lightfoot (R) 2,721 54.4% Tom Vilsack (D) 2,215 44.3% 68 [+] 1.4% 5,004 8 0.52%
1996 S2 56% Jim Ross Lightfoot (R) 3,370 52.3% Tom Harkin* (D) 2,998 46.5% 79 [+] 1.2% 6,447 6 0.53%
1994 G 44% Terry Branstad* (R) 3,467 67.7% Bonnie Campbell (D) 1,598 31.2% 56 [+] 1.1% 5,121 11 0.51%
1992 S3 60% Charles Grassley* (R) 5,486 79.0% Jean Lloyd-Jones (D) 1,322 19.0% 137 [+] 2.0% 6,945 9 0.54%
1990 S2 44% Tom Tauke (R) 3,045 60.0% Tom Harkin* (D) 2,026 40.0% 0 0.0% 5,071 14 0.52%
1990 G 44% Terry Branstad* (R) 3,712 72.5% Donald Avenson (D) 1,397 27.3% 10 [+] 0.2% 5,119 12 0.52%
1986 S3 42% Charles Grassley* (R) 3,900 76.9% John Roehrick (D) 1,167 23.0% 6 [+] 0.1% 5,073 11 0.57%
1986 G 42% Terry Branstad* (R) 3,072 60.4% Lowell Junkins (D) 2,011 39.6% 0 0.0% 5,083 9 0.56%
1984 S2 56% Roger Jepsen* (R) 4,019 59.1% Tom Harkin (D) 2,740 40.3% 36 [+] 0.5% 6,795 15 0.53%
1982 G 49% Terry Branstad (R) 4,182 69.8% Roxanne Conlin (D) 1,791 29.9% 18 [+] 0.3% 5,991 17 0.58%
1980 S3 57% Charles Grassley (R) 5,422 76.1% John Culver* (D) 1,676 23.5% 25 [+] 0.4% 7,123 23 0.56%
1978 S2 36% Roger Jepsen (R) 2,924 70.0% Dick Clark* (D) 1,219 29.2% 32 [+] 0.8% 4,175 19 0.51%
1978 G 36% Robert Ray* (R) 2,950 69.6% Jerry Fitzgerald (D) 1,265 29.8% 23 [+] 0.5% 4,238 11 0.50%
1974 S3 44% David Stanley (R) 3,237 64.7% John Culver (D) 1,750 35.0% 19 [+] 0.4% 5,006 17 0.56%
1974 G 46% Robert Ray* (R) 3,542 66.4% James Schaben (D) 1,735 32.5% 61 [+] 1.1% 5,338 8 0.58%
1972 S2 55% Jack Miller* (R) 3,786 60.2% Dick Clark (D) 2,466 39.2% 40 [+] 0.6% 6,292 16 0.52%
1972 G 56% Robert Ray* (R) 4,159 65.4% Paul Franzenburg (D) 2,090 32.9% 112 [+] 1.8% 6,361 7 0.53%
1970 G 41% Robert Ray* (R) 2,525 59.3% Robert Fulton (D) 1,609 37.8% 122 [+] 2.9% 4,256 8 0.54%
1968 S3 64% David Stanley (R) 4,361 67.2% Harold Hughes (D) 2,119 32.7% 10 [+] 0.2% 6,490 18 0.57%
1968 G 64% Robert Ray (R) 4,251 65.6% Paul Franzenburg (D) 2,223 34.3% 7 [+] 0.1% 6,481 12 0.57%
1966 S2 48% Jack Miller* (R) 3,686 74.6% E.B. Smith (D) 1,218 24.7% 35 [+] 0.7% 4,939 14 0.58%
1966 G 50% William Murray (R) 3,047 59.3% Harold Hughes* (D) 2,070 40.3% 21 [+] 0.4% 5,138 15 0.58%
1964 G 66% Harold Hughes* (D) 3,505 52.0% Evan Hultman (R) 3,126 46.3% 114 [+] 1.7% 6,745 15 0.58%
1962 S3 46% Bourke Hickenlooper* (R) 3,139 65.3% E.B. Smith (D) 1,670 34.7% 0 0.0% 4,809 12 0.60%
1962 G 48% Norman Erbe* (R) 2,829 57.0% Harold Hughes (D) 2,130 43.0% 0 0.0% 4,959 10 0.60%
1960 S2 71% Jack Miller (R) 4,792 64.7% Herschel Loveless (D) 2,611 35.3% 0 0.0% 7,403 13 0.60%
1960 G 71% Norman Erbe (R) 4,973 66.9% Edward McManus (D) 2,456 33.1% 0 0.0% 7,429 15 0.60%
*: 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 Butler County, IA

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

DateDistrictWinnerRunner-Up OtherTotal Votes
2024-11-05 IA02Ashley Hinson* (R) 5,823 74.3% Sarah Corkery (D) 1,905 24.3% 114 1.5% 7,842
County Total for 2024-11-05:   7,842
2022-11-08 IA02Ashley Hinson* (R) 4,279 71.2% Liz Mathis (D) 1,730 28.8% 3 0.0% 6,012
County Total for 2022-11-08:   6,012
2020-11-03 IA04Randy Feenstra (R) 5,157 68.0% J.D. Scholten (D) 2,413 31.8% 14 0.2% 7,584
County Total for 2020-11-03:   7,584
2018-11-06 IA04Steve King* (R) 3,675 60.5% J.D. Scholten (D) 2,199 36.2% 196 3.2% 6,070
County Total for 2018-11-06:   6,070
2016-11-08 IA04Steve King* (R) 4,898 68.6% Kim Weaver (D) 2,235 31.3% 12 0.2% 7,145
County Total for 2016-11-08:   7,145
2014-11-04 IA04Steve King* (R) 3,758 66.4% Jim Mowrer (D) 1,895 33.5% 7 0.1% 5,660
County Total for 2014-11-04:   5,660
2012-11-06 IA04Steve King* (R) 3,836 51.9% Christie Vilsack (D) 3,399 46.0% 152 2.1% 7,387
County Total for 2012-11-06:   7,387
2010-11-02 IA01Ben Lange (R) 3,293 58.6% Bruce Braley* (D) 2,135 38.0% 190 3.4% 5,618
County Total for 2010-11-02:   5,618
2008-11-04 IA01Bruce Braley* (D) 3,807 54.8% David Hartsuch (R) 3,128 45.1% 7 0.1% 6,942
County Total for 2008-11-04:   6,942
2006-11-07 IA01Mike Whalen (R) 3,000 53.2% Bruce Braley (D) 2,506 44.5% 128 2.3% 5,634
County Total for 2006-11-07:   5,634
2004-11-02 IA01Jim Nussle* (R) 5,094 69.3% Bill Gluba (D) 2,159 29.4% 93 1.3% 7,346
County Total for 2004-11-02:   7,346
2002-11-05 IA01Jim Nussle* (R) 3,302 67.7% Ann Hutchinson (D) 1,578 32.3% 1 0.0% 4,881
County Total for 2002-11-05:   4,881
2000-11-07 IA02Jim Nussle* (R) 4,112 62.5% Donna Smith (D) 2,408 36.6% 61 0.9% 6,581
County Total for 2000-11-07:   6,581
1998-11-03 IA02Jim Nussle* (R) 3,287 66.2% Rob Tully (D) 1,633 32.9% 47 0.9% 4,967
County Total for 1998-11-03:   4,967
1996-11-05 IA02Jim Nussle* (R) 3,954 63.9% Donna Smith (D) 2,197 35.5% 33 0.5% 6,184
County Total for 1996-11-05:   6,184
1994-11-08 IA02Jim Nussle* (R) 3,288 63.6% Dave Nagle (D) 1,875 36.3% 9 0.2% 5,172
County Total for 1994-11-08:   5,172
1992-11-03 IA02Jim Nussle* (R) 4,037 57.7% Dave Nagle* (D) 2,910 41.6% 44 0.6% 6,991
County Total for 1992-11-03:   6,991
*: incumbent           sp: special election           RO: runoff election

Voter Registration Data for Butler County, IA

YearTotalRepublicanDemocratOtherR/D EdgeR/D Edge %VAPOP %
2024 8,091 4,388 54.2% 1,432 17.7% 2,271 28.1% Rep +2,956 Rep +36.5% 74%
2022 8,946 4,562 51.0% 1,725 19.3% 2,659 29.7% Rep +2,837 Rep +31.7% 82%
2020 9,841 4,752 48.3% 1,960 19.9% 3,129 31.8% Rep +2,792 Rep +28.4% 90%
2018 9,686 4,525 46.7% 1,710 17.7% 3,451 35.6% Rep +2,815 Rep +29.1% 88%
2016 9,743 4,577 47.0% 1,735 17.8% 3,431 35.2% Rep +2,842 Rep +29.2% 88%
2014 9,709 4,512 46.5% 1,711 17.6% 3,486 35.9% Rep +2,801 Rep +28.8% 87%
2012 9,542 4,594 48.1% 1,756 18.4% 3,192 33.5% Rep +2,838 Rep +29.7% 85%
2010 9,790 4,606 47.0% 1,928 19.7% 3,256 33.3% Rep +2,678 Rep +27.4% 86%
2008 9,697 4,461 46.0% 2,028 20.9% 3,208 33.1% Rep +2,433 Rep +25.1% 85%
2006 9,444 4,437 47.0% 1,771 18.8% 3,236 34.3% Rep +2,666 Rep +28.2% 83%
2004 9,732 4,577 47.0% 1,755 18.0% 3,400 34.9% Rep +2,822 Rep +29.0% 85%
2002 9,065 4,621 51.0% 1,520 16.8% 2,924 32.3% Rep +3,101 Rep +34.2% 79%
2000 9,875 4,835 49.0% 1,671 16.9% 3,369 34.1% Rep +3,164 Rep +32.0% 86%
1994 8,545 4,600 53.8% 1,768 20.7% 2,177 25.5% Rep +2,832 Rep +33.1% 74%
1986 8,072 4,846 60.0% 1,533 19.0% 1,693 21.0% Rep +3,313 Rep +41.0% 67%
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.