Waukesha County, WI
WI · Presidential Elections 1892–2024
Waukesha County, WI (Wisconsin) voted R+19.7 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 162,768 votes (59.02%) to 108,478 (39.33%) for Harris.
This represents a D+1.1% swing toward Democrats compared to 2020. Waukesha County is classified as a solid Republican county. Waukesha County has voted Republican in every presidential election since 1968. The county has a population of approximately 411,762.
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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 | 39.3%(108,478) | 59.0%(162,768) | R+19.7 | D+1.1 |
| 2020 | 38.8%(103,906) | 59.6%(159,649) | R+20.8 | D+5.8 |
| 2016 | 33.3%(79,224) | 60.0%(142,543) | R+26.6 | D+7.8 |
| 2012 | 32.3%(78,779) | 66.8%(162,798) | R+34.5 | R+8.8 |
| 2008 | 36.6%(85,339) | 62.3%(145,152) | R+25.7 | D+9.6 |
| 2004 | 32.0%(73,626) | 67.3%(154,926) | R+35.3 | R+1.5 |
| 2000 | 31.6%(64,319) | 65.3%(133,105) | R+33.8 | R+13.0 |
| 1996 | 34.7%(57,354) | 55.4%(91,729) | R+20.8 | D+2.2 |
| 1992 | 28.1%(50,270) | 51.0%(91,461) | R+23.0 | R+0.9 |
| 1988 | 38.7%(57,598) | 60.8%(90,467) | R+22.1 | D+10.0 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Waukesha County, WI • 1892–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 38.7%(105,781) | 59.8%(163,590) | R+21.1 | D+4.2 |
| 2022 | 37.2%(83,408) | 62.5%(140,156) | R+25.3 | R+1.7 |
| 2018 | 38.1%(84,147) | 61.7%(136,190) | R+23.6 | D+14.1 |
| 2016 | 30.2%(71,779) | 67.9%(161,351) | R+37.7 | R+2.7 |
| 2012 | 31.4%(75,408) | 66.4%(159,450) | R+35.0 | D+7.7 |
| 2010 | 28.3%(53,492) | 71.0%(134,051) | R+42.7 | R+47.2 |
| 2006 | 50.9%(88,680) | 46.4%(80,807) | D+4.5 | D+27.9 |
| 2004 | 38.1%(86,775) | 61.5%(139,979) | R+23.4 | R+17.1 |
| 2000 | 46.4%(93,306) | 52.6%(105,901) | R+6.3 | D+21.2 |
| 1998 | 35.8%(47,986) | 63.3%(84,816) | R+27.5 | R+14.1 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 39.4%(88,564) | 59.8%(134,212) | R+20.3 | D+13.3 |
| 2018 | 32.5%(72,131) | 66.1%(146,699) | R+33.6 | D+12.0 |
| 2014 | 26.8%(54,500) | 72.5%(147,266) | R+45.6 | R+2.1 |
| 2010 | 28.0%(52,684) | 71.5%(134,608) | R+43.5 | R+14.6 |
| 2006 | 34.9%(61,402) | 63.7%(112,243) | R+28.9 | D+3.7 |
| 2002 | 29.8%(42,327) | 62.4%(88,661) | R+32.6 | D+17.0 |
| 1998 | 24.3%(32,384) | 73.8%(98,555) | R+49.6 | D+11.8 |
| 1994 | 18.5%(21,428) | 79.9%(92,484) | R+61.4 | R+19.0 |
| 1990 | 28.8%(24,679) | 71.2%(61,002) | R+42.4 | R+16.3 |
| 1986 | 36.5%(36,389) | 62.5%(62,387) | R+26.1 | R+20.9 |
Source: Official state election returns via MIT Election Data + Science Lab