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Green County, WI


Metropolitan Statistical Area: Madison, WI
Designated Market Area: Madison, WI
USDA County Type (2025): Manufacturing
American Communities Project County Type (2023): Rural Middle America

Places in Green County, WI     [Sort places by name]

 

Tracts in Green County, WI

   



Click here to view demographic data for Green County, WI

2024 population: 37,183   ( 99 from 2020)
Land area: 584.0 square miles
Population density: 63.7 persons per square mile

2024 Census data
White:34,416 92.56% 0.6%
Black:2790.75% 5.7%
Indian:930.25% 6.9%
Asian:2560.69% 4.1%
2+ races:4801.29% 26.6%
Hispanic:1,6594.46% 11.1%
Total non-White:2,7677.44% 12.1%

2020-2024 ComponentsNumberRate
Births:1,464 9.9
Deaths:1,62711.0
Net Migration: 1370.9
Net Immigration: 1160.8
Change in White population:-199 -0.5
Change in Non-White pop.:298 0.8



Historical Presidential Election Results for Green County, WI

Recent Trends
VotesΔ MarginSwing %
2024 vs. 2020 R +674 R +622 R + 3.0%
D +52
2024 vs. 2016 R +2,150 R +369 R + 2.1%
D +1,781
2020 vs. 2016 R +1,476 D +253 D + 0.8%
D +1,729
2024 vs. 2012 R +2,986 R +3,289 R + 17.3%
D -303
2016 vs. 2008 R +1,963 R +4,343 R + 23.8%
D -2,380
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 76% Kamala Harris (D) 10,903 49.4% Donald Trump (R) 10,843 49.1% 330 [+] 1.5% 22,076 0 -1 0.64%
2020 74% Joe Biden (D) 10,851 50.7% Donald Trump* (R) 10,169 47.5% 386 [+] 1.8% 21,406 -1 1 0.65%
2016 67% Hillary Clinton (D) 9,122 48.0% Donald Trump (R) 8,693 45.8% 1,170 [+] 6.2% 18,985 -1 0 0.64%
2012 69% Barack Obama* (D) 11,206 58.0% Mitt Romney (R) 7,857 40.7% 259 [+] 1.3% 19,322 -5 -7 0.63%
2008 68% Barack Obama (D) 11,502 62.1% John McCain (R) 6,730 36.3% 302 [+] 1.6% 18,534 -6 -9 0.62%
2004 70% John Kerry (D) 9,575 52.5% George W. Bush* (R) 8,497 46.6% 176 [+] 1.0% 18,248 -3 -4 0.61%
2000 62% Albert Gore, Jr. (D) 7,863 51.5% George W. Bush (R) 6,790 44.4% 623 [+] 4.1% 15,276 -3 -3 0.59%
1996 53% Bill Clinton* (D) 6,136 48.6% Robert Dole (R) 4,697 37.2% 1,783 [+] 14.1% 12,616 -1 -3 0.57%
1992 63% Bill Clinton (D) 5,467 38.5% George Bush* (R) 4,887 34.5% 3,829 [+] 27.0% 14,183 -2 -3 0.56%
1988 54% George Bush (R) 6,636 55.7% Michael Dukakis (D) 5,153 43.3% 119 [+] 1.0% 11,908 8 2 0.54%
1984 57% Ronald Reagan* (R) 7,827 63.7% Walter Mondale (D) 4,367 35.5% 102 0.8% 12,296 9 5 0.56%
1980 68% Ronald Reagan (R) 7,714 54.0% Jimmy Carter* (D) 5,336 37.4% 1,227 [+] 8.6% 14,277 6 3 0.63%
1976 70% Gerald Ford* (R) 7,085 54.3% Jimmy Carter (D) 5,632 43.2% 329 [+] 2.5% 13,046 7 6 0.62%
1972 63% Richard Nixon* (R) 7,422 66.1% George McGovern (D) 3,634 32.4% 166 [+] 1.5% 11,222 13 5 0.61%
1968 68% Richard Nixon (R) 6,502 61.0% Hubert Humphrey (D) 3,501 32.8% 661 [+] 6.2% 10,664 13 18 0.63%
1964 71% Lyndon Johnson* (D) 5,548 50.8% Barry Goldwater (R) 5,364 49.1% 17 0.2% 10,929 11 11 0.65%
1960 77% Richard Nixon (R) 7,939 67.8% John Kennedy (D) 3,766 32.2% 6 0.1% 11,711 16 18 0.68%
1956 68% Dwight Eisenhower* (R) 7,114 66.0% Adlai Stevenson (D) 3,614 33.5% 51 0.5% 10,779 4 9 0.70%
1952 73% Dwight Eisenhower (R) 7,949 70.5% Adlai Stevenson (D) 3,326 29.5% 6 0.1% 11,281 10 15 0.70%
1948 56% Thomas Dewey (R) 4,403 52.4% Harry Truman* (D) 3,881 46.2% 114 [+] 1.4% 8,398 6 7 0.66%
1944 65% Thomas Dewey (R) 5,556 57.3% Franklin Roosevelt* (D) 4,101 42.3% 42 0.4% 9,699 7 11 0.72%
1940 71% Wendell Willkie (R) 5,711 55.1% Franklin Roosevelt* (D) 4,565 44.0% 88 0.8% 10,364 7 10 0.74%
1936 74% Franklin Roosevelt* (D) 5,941 60.3% Alf Landon (R) 3,700 37.5% 218 [+] 2.2% 9,859 7 1 0.78%
1932 67% Franklin Roosevelt (D) 5,406 61.7% Herbert Hoover* (R) 3,190 36.4% 162 [+] 1.8% 8,758 5 -3 0.79%
1928 65% Herbert Hoover (R) 5,152 64.2% Al Smith (D) 2,812 35.0% 63 [+] 0.8% 8,027 11 6 0.79%
1924 68% Robert LaFollette (Prog) 4,885 58.6% Calvin Coolidge (R) 2,922 35.1% 524 [+] 6.3% 8,331 -2 -19 0.99%
1920 53% Warren Harding (R) 5,466 84.7% James Cox (D) 633 9.8% 356 [+] 5.5% 6,455 14 24 0.92%
1916 36% Charles Evans Hughes (R) 2,422 55.8% Woodrow Wilson* (D) 1,687 38.8% 234 [+] 5.4% 4,343 6 10 0.97%
1912 35% Woodrow Wilson (D) 1,716 41.4% William Taft* (R) 1,601 38.6% 828 [+] 20.0% 4,145 6 15 1.04%
1908 42% William Taft (R) 2,617 54.5% William J. Bryan (D) 1,856 38.6% 331 [+] 6.9% 4,804 0 3 1.06%
1904 37% Theodore Roosevelt (R) 2,492 57.7% Alton Parker (D) 1,466 33.9% 364 [+] 8.4% 4,322 -6 1 0.97%
1900 42% William McKinley* (R) 2,996 60.2% William J. Bryan (D) 1,776 35.7% 204 [+] 4.1% 4,976 0 9 1.12%
* incumbent         PSV: percent of state vote

Historical Statewide Election Results for Green County, WI

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

YearTypeTurnout WinnerRunner-Up OtherTotal VotesDiff PSV
2024 S1 75% Tammy Baldwin* (D) 11,188 51.5% Eric Hovde (R) 10,280 47.3% 274 [+] 1.3% 21,742 -1 0.64%
2022 S3 60% Mandela Barnes (D) 9,097 52.0% Ron Johnson* (R) 8,350 47.8% 33 [+] 0.2% 17,480 -2 0.66%
2022 G 61% Tony Evers* (D) 9,603 54.8% Tim Michels (R) 7,681 43.8% 248 [+] 1.4% 17,532 -4 0.66%
2018 S1 60% Tammy Baldwin* (D) 10,294 60.4% Leah Vukmir (R) 6,732 39.5% 11 [+] 0.1% 17,037 -5 0.64%
2018 G 60% Tony Evers (D) 9,378 54.9% Scott Walker* (R) 7,333 42.9% 379 [+] 2.2% 17,090 -6 0.64%
2016 S3 66% Russ Feingold (D) 10,207 54.1% Ron Johnson* (R) 8,106 43.0% 539 [+] 2.9% 18,852 -7 0.64%
2014 G 54% Mary Burke (D) 7,948 51.8% Scott Walker* (R) 7,193 46.9% 197 [+] 1.3% 15,338 -5 0.64%
2012 S1 68% Tammy Baldwin (D) 10,721 56.0% Tommy Thompson (R) 7,954 41.5% 478 [+] 2.5% 19,153 -4 0.64%
2012 G 59% Scott Walker* (R) 8,407 51.0% Tom Barrett (D) 7,981 48.4% 90 [+] 0.5% 16,478 -2 0.65%
2010 S3 48% Russ Feingold* (D) 7,045 53.0% Ron Johnson (R) 6,102 45.9% 152 [+] 1.1% 13,299 -6 0.61%
2010 G 47% Tom Barrett (D) 6,567 49.8% Scott Walker (R) 6,391 48.5% 229 [+] 1.7% 13,187 -4 0.61%
2006 S1 50% Herb Kohl* (D) 9,698 73.5% Robert Lorge (R) 3,020 22.9% 470 [+] 3.6% 13,188 -7 0.62%
2006 G 50% Jim Doyle* (D) 7,769 58.7% Mark Green (R) 5,149 38.9% 323 [+] 2.4% 13,241 -6 0.61%
2004 S3 70% Russ Feingold* (D) 10,966 60.7% Tim Michels (R) 7,002 38.7% 105 [+] 0.6% 18,073 -5 0.61%
2002 G 44% Jim Doyle (D) 5,148 46.6% Scott McCallum* (R) 3,581 32.4% 2,313 [+] 20.9% 11,042 -9 0.62%
2000 S1 61% Herb Kohl* (D) 10,264 68.2% John Gillespie (R) 4,585 30.5% 201 [+] 1.3% 15,050 -7 0.59%
1998 S3 45% Russ Feingold* (D) 5,711 52.9% Mark Neumann (R) 4,953 45.9% 123 [+] 1.1% 10,787 -2 0.61%
1998 G 44% Tommy Thompson* (R) 6,756 63.8% Ed Garvey (D) 3,610 34.1% 220 [+] 2.1% 10,586 4 0.60%
1994 S1 45% Herb Kohl* (D) 7,081 68.6% Robert Welch (R) 3,129 30.3% 105 [+] 1.0% 10,315 -10 0.66%
1994 G 45% Tommy Thompson* (R) 6,821 66.2% Chuck Chavala (D) 3,189 30.9% 298 [+] 2.9% 10,308 -1 0.66%
1992 S3 63% Russ Feingold (D) 7,171 50.7% Bob Kasten* (R) 6,696 47.3% 281 [+] 2.0% 14,148 1 0.58%
1990 G 35% Tommy Thompson* (R) 4,454 58.3% Thomas Loftus (D) 3,180 41.6% 4 [+] 0.1% 7,638 0 0.55%
1988 S1 56% Susan Engeleiter (R) 6,713 55.1% Herb Kohl (D) 5,426 44.6% 37 [+] 0.3% 12,176 8 0.56%
1986 S3 36% Bob Kasten* (R) 4,738 60.9% Ed Garvey (D) 2,959 38.0% 85 [+] 1.1% 7,782 10 0.52%
1986 G 36% Tommy Thompson (R) 4,721 60.0% Anthony Earl* (D) 3,054 38.8% 94 [+] 1.2% 7,869 7 0.52%
1982 S1 45% William Proxmire* (D) 5,774 60.7% Scott McCallum (R) 3,607 37.9% 130 [+] 1.4% 9,511 4 0.62%
1982 G 45% Terry Kohler (R) 5,118 53.1% Anthony Earl (D) 4,423 45.9% 96 [+] 1.0% 9,637 11 0.61%
1980 S3 64% Bob Kasten (R) 7,468 55.3% Gaylord Nelson* (D) 5,979 44.3% 59 [+] 0.4% 13,506 5 0.61%
1978 G 46% Lee Dreyfus (R) 5,211 59.6% Martin Schreiber* (D) 3,493 40.0% 35 [+] 0.4% 8,739 5 0.58%
1976 S1 65% William Proxmire* (D) 7,970 65.4% Stanley York (R) 4,185 34.3% 35 [+] 0.3% 12,190 8 0.63%
1974 S3 44% Gaylord Nelson* (D) 4,572 56.5% Tom Petri (R) 3,476 43.0% 39 [+] 0.5% 8,087 7 0.67%
1974 G 45% William Dyke (R) 5,699 69.3% Patrick Lucey* (D) 2,422 29.5% 100 [+] 1.2% 8,221 27 0.70%
1970 S1 48% William Proxmire* (D) 4,721 61.6% John Erickson (R) 2,930 38.2% 17 [+] 0.2% 7,668 10 0.57%
1970 G 48% Jack Olson (R) 4,772 62.0% Patrick Lucey (D) 2,894 37.6% 32 [+] 0.4% 7,698 17 0.57%
1968 S3 66% Jerris Leonard (R) 5,349 51.7% Gaylord Nelson* (D) 4,990 48.3% 0 0.0% 10,339 13 0.62%
1968 G 68% Warren Knowles* (R) 6,787 64.1% Bronson LaFollette (D) 3,799 35.9% 5 [+] 0.0% 10,591 11 0.63%
1966 G 42% Warren Knowles* (R) 4,807 74.1% Patrick Lucey (D) 1,654 25.5% 29 [+] 0.4% 6,490 21 0.55%
1964 S1 69% Wilbur Renk (R) 6,972 65.6% William Proxmire* (D) 3,650 34.3% 9 [+] 0.1% 10,631 19 0.64%
1964 G 69% Warren Knowles (R) 7,204 67.7% John Reynolds* (D) 3,432 32.3% 0 0.0% 10,636 17 0.63%
1962 S3 48% Alexander Wiley* (R) 4,586 62.8% Gaylord Nelson (D) 2,713 37.2% 2 [+] 0.0% 7,301 16 0.58%
1962 G 47% Philip Kuehn (R) 4,706 64.8% John Reynolds (D) 2,552 35.1% 7 [+] 0.1% 7,265 15 0.57%
1960 G 77% Philip Kuehn (R) 7,393 63.6% Gaylord Nelson* (D) 4,224 36.4% 0 0.0% 11,617 15 0.67%
*: 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 Green County, WI

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

DateDistrictWinnerRunner-Up OtherTotal Votes
2024-11-05 WI02Mark Pocan* (D) 10,776 50.4% Erik Olsen (R) 10,577 49.5% 12 0.1% 21,365
County Total for 2024-11-05:   21,365
2022-11-08 WI02Mark Pocan* (D) 9,006 51.7% Erik Olsen (R) 7,939 45.6% 468 2.7% 17,413
County Total for 2022-11-08:   17,413
2020-11-03 WI02Mark Pocan* (D) 11,060 52.8% Peter Theron (R) 9,874 47.1% 12 0.1% 20,946
County Total for 2020-11-03:   20,946
2018-11-06 WI02Mark Pocan* (D) 12,121 95.7% 545 4.3% 12,666
County Total for 2018-11-06:   12,666
2016-11-08 WI02Mark Pocan* (D) 9,920 54.8% Peter Theron (R) 8,141 45.0% 25 0.1% 18,086
County Total for 2016-11-08:   18,086
2014-11-04 WI02Mark Pocan* (D) 8,303 55.9% Peter Theron (R) 6,549 44.1% 12 0.1% 14,864
County Total for 2014-11-04:   14,864
2012-11-06 WI02Mark Pocan (D) 10,245 56.1% Chad Lee (R) 8,005 43.8% 19 0.1% 18,269
County Total for 2012-11-06:   18,269
2010-11-02 WI02Tammy Baldwin* (D) 6,750 51.0% Chad Lee (R) 6,470 48.9% 7 0.1% 13,227
County Total for 2010-11-02:   13,227
2008-11-04 WI02Tammy Baldwin* (D) 11,513 63.6% Peter Theron (R) 6,570 36.3% 21 0.1% 18,104
County Total for 2008-11-04:   18,104
2006-11-07 WI02Tammy Baldwin* (D) 7,039 53.3% Dave Magnum (R) 6,163 46.7% 7 0.1% 13,209
County Total for 2006-11-07:   13,209
2004-11-02 WI02Tammy Baldwin* (D) 9,849 54.8% Dave Magnum (R) 8,111 45.1% 12 0.1% 17,972
County Total for 2004-11-02:   17,972
2002-11-05 WI02Tammy Baldwin* (D) 6,461 59.1% Ron Greer (R) 4,456 40.8% 14 0.1% 10,931
County Total for 2002-11-05:   10,931
2000-11-07 WI01Paul Ryan* (R) 4,010 71.2% Jeff Thomas (D) 1,625 28.8% 0 0.0% 5,635
2000-11-07 WI02John Sharpless (R) 5,137 59.5% Tammy Baldwin* (D) 3,499 40.5% 0 0.0% 8,636
County Total for 2000-11-07:   14,271
1998-11-03 WI01Paul Ryan (R) 2,420 60.2% Lydia Spottswood (D) 1,598 39.8% 1 0.0% 4,019
1998-11-03 WI02Josephine Musser (R) 4,017 60.7% Tammy Baldwin (D) 2,592 39.2% 6 0.1% 6,615
County Total for 1998-11-03:   10,634
1996-11-05 WI01Mark Neumann* (R) 2,792 57.5% Lydia Spottswood (D) 2,065 42.5% 0 0.0% 4,857
1996-11-05 WI02Scott Klug* (R) 5,653 70.7% Paul Soglin (D) 2,249 28.1% 91 1.1% 7,993
County Total for 1996-11-05:   12,850
1994-11-08 WI01Peter Barca* (D) 1,800 48.6% Mark Neumann (R) 1,794 48.5% 106 2.9% 3,700
1994-11-08 WI02Scott Klug* (R) 5,133 81.3% Thomas Hecht (D) 933 14.8% 247 3.9% 6,313
County Total for 1994-11-08:   10,013
1993-05-04 sp WI01Mark Neumann (R) 855 60.9% Peter Barca (D) 535 38.1% 13 0.9% 1,403
County Total for 1993-05-04:   1,403
1992-11-03 WI01Les Aspin* (D) 2,878 54.5% Mark Neumann (R) 2,281 43.2% 125 2.4% 5,284
1992-11-03 WI02Scott Klug* (R) 6,267 70.9% Ada Deer (D) 2,510 28.4% 63 0.7% 8,840
County Total for 1992-11-03:   14,124
*: incumbent           sp: special election           RO: runoff election

Voter Registration Data for Green County, WI

Party registration is not used in this state, however as of 2022 registrations in Green County, WI were estimated to be 42% Republican and 35% Democrat.

YearTotalRepublicanDemocratOtherR/D EdgeR/D Edge %VAPOP %
2024 22,980 0 0.0% 0 0.0% 22,980 100.0% n/a n/a 79%
2022 22,013 0 0.0% 0 0.0% 22,013 100.0% n/a n/a 76%
2020 23,061 0 0.0% 0 0.0% 23,061 100.0% n/a n/a 80%
2018 20,479 0 0.0% 0 0.0% 20,479 100.0% n/a n/a 71%
2016 21,670 0 0.0% 0 0.0% 21,670 100.0% n/a n/a 76%
2014 21,922 0 0.0% 0 0.0% 21,922 100.0% n/a n/a 77%
2012 21,965 0 0.0% 0 0.0% 21,965 100.0% n/a n/a 78%
2010 20,806 0 0.0% 0 0.0% 20,806 100.0% n/a n/a 75%
2008 18,768 0 0.0% 0 0.0% 18,768 100.0% n/a n/a 69%
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.