Warren County, NJ
NJ · Presidential Elections 1892–2024
Warren County, NJ (New Jersey) voted R+20.6 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 35,772 votes (59.27%) to 23,318 (38.63%) for Harris.
This represents a R+4.3% swing toward Republicans compared to 2020. Warren County is classified as a solid Republican county. Warren County has voted Republican in every presidential election since 1968. The county has a population of approximately 110,849.
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 | 38.6%(23,318) | 59.3%(35,772) | R+20.6 | R+4.3 |
| 2020 | 41.3%(24,901) | 57.6%(34,769) | R+16.4 | D+9.0 |
| 2016 | 34.8%(17,281) | 60.1%(29,858) | R+25.3 | R+9.9 |
| 2012 | 41.3%(18,745) | 56.7%(25,744) | R+15.4 | R+1.4 |
| 2008 | 42.1%(20,628) | 56.2%(27,500) | R+14.0 | D+9.8 |
| 2004 | 37.4%(18,044) | 61.3%(29,542) | R+23.9 | R+10.1 |
| 2000 | 40.5%(16,543) | 54.3%(22,172) | R+13.8 | R+7.5 |
| 1996 | 39.3%(14,805) | 45.5%(17,160) | R+6.2 | D+6.9 |
| 1992 | 31.3%(13,002) | 44.5%(18,468) | R+13.2 | D+16.8 |
| 1988 | 34.6%(11,640) | 64.5%(21,715) | R+29.9 | D+4.6 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Warren County, NJ • 1892–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 39.0%(22,758) | 58.4%(34,074) | R+19.4 | R+3.0 |
| 2020 | 40.4%(24,124) | 56.8%(33,893) | R+16.4 | D+8.0 |
| 2018 | 35.6%(14,452) | 60.0%(24,357) | R+24.4 | R+1.0 |
| 2014 | 36.4%(8,609) | 59.8%(14,150) | R+23.4 | D+7.4 |
| 2013 | 34.0%(5,812) | 64.8%(11,069) | R+30.8 | R+16.4 |
| 2012 | 41.8%(17,904) | 56.2%(24,046) | R+14.3 | D+5.6 |
| 2008 | 38.9%(18,019) | 58.9%(27,268) | R+20.0 | D+1.5 |
| 2006 | 37.2%(10,785) | 58.6%(17,011) | R+21.5 | D+0.3 |
| 2002 | 37.7%(11,044) | 59.4%(17,423) | R+21.8 | D+4.1 |
| 2000 | 34.6%(13,841) | 60.5%(24,186) | R+25.9 | R+8.8 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2025 | 42.1%(19,199) | 57.0%(25,980) | R+14.9 | D+11.0 |
| 2017 | 35.4%(10,065) | 61.2%(17,409) | R+25.8 | D+21.7 |
| 2013 | 25.1%(6,855) | 72.6%(19,858) | R+47.5 | R+11.3 |
| 2009 | 26.1%(8,446) | 62.4%(20,174) | R+36.2 | R+15.2 |
| 2005 | 36.8%(11,460) | 57.9%(18,003) | R+21.0 | R+10.5 |
| 2001 | 42.3%(12,554) | 52.8%(15,668) | R+10.5 | D+3.6 |
| 1997 | 36.7%(11,125) | 50.8%(15,413) | R+14.1 | D+3.5 |
| 1993 | 39.4%(12,215) | 57.0%(17,667) | R+17.6 | R+11.4 |
| 1989 | 45.8%(11,651) | 52.0%(13,224) | R+6.2 | D+35.7 |
| 1985 | 28.5%(5,869) | 70.4%(14,499) | R+41.9 | R+23.4 |
Source: Official state election returns via MIT Election Data + Science Lab