Rock County, WI
WI · Presidential Elections 1892–2024
Rock County, WI (Wisconsin) voted D+7.3 for Kamala Harris (Democrat) in the 2024 presidential election, with Harris receiving 46,642 votes (52.82%) to 40,218 (45.54%) for Trump.
This represents a R+3.9% swing toward Republicans compared to 2020. Rock County is classified as a lean Democratic county. Rock County has voted Democratic in every presidential election since 1988. The county has a population of approximately 164,350.
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Quick Stats
Demographics
Community Profile
Religious Composition
Source: Religion Census 2020Ancestry Groups
Source: Census ACSTop reported ancestry groups (compared to national average).
Age Distribution
Employment by Industry
Census ACSPresidential Elections
Presidential Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 52.8%(46,642) | 45.5%(40,218) | D+7.3 | R+3.9 |
| 2020 | 54.7%(46,658) | 43.5%(37,138) | D+11.2 | D+0.8 |
| 2016 | 51.7%(39,339) | 41.4%(31,493) | D+10.3 | R+12.9 |
| 2012 | 61.0%(49,219) | 37.8%(30,517) | D+23.2 | R+6.1 |
| 2008 | 63.8%(50,529) | 34.6%(27,364) | D+29.3 | D+12.6 |
| 2004 | 57.9%(46,598) | 41.2%(33,151) | D+16.7 | R+1.8 |
| 2000 | 57.5%(40,472) | 39.0%(27,467) | D+18.5 | R+2.0 |
| 1996 | 53.8%(32,450) | 33.3%(20,096) | D+20.5 | D+7.1 |
| 1992 | 45.1%(31,154) | 31.8%(21,942) | D+13.3 | D+10.9 |
| 1988 | 50.8%(29,576) | 48.4%(28,178) | D+2.4 | D+12.6 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Rock County, WI • 1892–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 53.8%(47,080) | 43.6%(38,097) | D+10.3 | R+0.9 |
| 2022 | 55.5%(36,024) | 44.3%(28,758) | D+11.2 | R+14.2 |
| 2018 | 62.7%(42,616) | 37.2%(25,322) | D+25.4 | D+9.6 |
| 2016 | 56.3%(42,437) | 40.5%(30,487) | D+15.9 | R+5.4 |
| 2012 | 59.2%(46,892) | 37.9%(30,010) | D+21.3 | D+11.4 |
| 2010 | 54.1%(28,361) | 44.2%(23,181) | D+9.9 | R+41.2 |
| 2006 | 74.2%(40,727) | 23.2%(12,712) | D+51.0 | D+21.3 |
| 2004 | 64.5%(51,336) | 34.8%(27,699) | D+29.7 | R+10.5 |
| 2000 | 69.4%(48,149) | 29.2%(20,232) | D+40.2 | D+22.4 |
| 1998 | 58.5%(28,942) | 40.7%(20,125) | D+17.8 | R+17.7 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 57.8%(37,755) | 40.9%(26,722) | D+16.9 | R+1.8 |
| 2018 | 58.0%(39,680) | 39.4%(26,904) | D+18.7 | D+5.8 |
| 2014 | 55.6%(32,523) | 42.8%(24,993) | D+12.9 | D+6.0 |
| 2010 | 52.5%(27,424) | 45.6%(23,813) | D+6.9 | R+17.8 |
| 2006 | 61.3%(33,774) | 36.6%(20,156) | D+24.7 | D+1.4 |
| 2002 | 53.0%(26,648) | 29.7%(14,929) | D+23.3 | D+36.3 |
| 1998 | 42.9%(21,109) | 55.9%(27,485) | R+13.0 | D+16.6 |
| 1994 | 34.5%(15,028) | 64.0%(27,905) | R+29.5 | R+19.2 |
| 1990 | 44.8%(16,231) | 55.1%(19,979) | R+10.3 | R+9.2 |
| 1986 | 48.9%(19,005) | 50.0%(19,459) | R+1.2 | R+26.6 |
Source: Official state election returns via MIT Election Data + Science Lab