Warren County, New Jersey: Diversifying Metro county. In 2024, voted R+21%. Republican peak: R+47 in 1928.
Key facts
- 2024 presidential margin
- R+21MIT Election Lab
- Political typology
- Diversifying MetroAkashic typology
- Population
- 110,8492024 5-year
- Median household income
- $100,8692024 5-year
- White (non-Hispanic)
- 76.9%2024 5-year
- Black
- 6.0%2024 5-year
- Hispanic / Latino
- 13.0%2024 5-year
- Peak Democratic margin
- D+38 in 1912MIT Election Lab
- Peak Republican margin
- R+47 in 1928MIT Election Lab
- Most similar
- St. Mary's County, MD · similarity 0.99
2024 results by precinct
2024 precinct map of Warren CountyPrecinct-level 2024 presidential results for Warren County, with each precinct boundary colored by Democratic-vs-Republican margin.
—
Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | No data |
| 1880 | No data |
| 1884 | No data |
| 1888 | No data |
| 1892 | +22.6% |
| 1896 | +10.0% |
| 1900 | +17.5% |
| 1904 | +4.8% |
| 1908 | +17.7% |
| 1912 | +38.5% |
| 1916 | +22.9% |
| 1920 | −5.2% |
| 1924 | −27.9% |
| 1928 | −46.6% |
| 1932 | +6.7% |
| 1936 | +13.8% |
| 1940 | +1.5% |
| 1944 | −3.3% |
| 1948 | −2.8% |
| 1952 | −17.4% |
| 1956 | −33.9% |
| 1960 | −14.8% |
| 1964 | +38.2% |
| 1968 | −3.9% |
| 1972 | −31.5% |
| 1976 | −3.4% |
| 1980 | −20.9% |
| 1984 | −34.5% |
| 1988 | −29.9% |
| 1992 | −13.2% |
| 1996 | −6.2% |
| 2000 | −13.8% |
| 2004 | −23.9% |
| 2008 | −14.0% |
| 2012 | −15.4% |
| 2016 | −25.3% |
| 2020 | −16.4% |
| 2024 | −20.6% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 23,318 | 35,772 | 60,356 | ||
| R | 24,901 | 34,769 | 60,325 | ||
| R | 17,281 | 29,858 | 49,683 | ||
| R | 18,745 | 25,744 | 45,415 | ||
| R | 20,628 | 27,500 | 48,939 | ||
| R | 18,044 | 29,542 | 48,208 | ||
| R | 16,543 | 22,172 | 40,801 | ||
| R | 14,805 | 17,160 | 37,701 | ||
| R | 13,002 | 18,468 | 41,502 | ||
| R | 11,640 | 21,715 | 33,666 | ||
| R | 10,647 | 21,938 | 32,707 | ||
| R | 10,510 | 16,935 | 30,797 | ||
| R | 14,238 | 15,254 | 30,105 | ||
| R | 10,008 | 19,301 | 29,543 | ||
| R | 12,822 | 13,950 | 28,986 | ||
| D | 19,755 | 8,822 | 28,592 | ||
| R | 12,540 | 16,893 | 29,453 | ||
| R | 9,128 | 18,517 | 27,658 | ||
| R | 11,074 | 15,737 | 26,839 | ||
| R | 9,972 | 10,558 | 20,716 | ||
| R | 10,024 | 10,714 | 20,754 | ||
| D | 10,929 | 10,595 | 21,555 | ||
| D | 12,476 | 9,437 | 21,957 | ||
| D | 10,636 | 9,277 | 20,355 | ||
| R | 5,444 | 14,992 | 20,495 | ||
| R | 5,186 | 9,606 | 15,844 | ||
| R | 7,218 | 8,035 | 15,683 | ||
| D | 5,374 | 3,302 | 9,032 | ||
| D | 4,663 | 1,411 | 8,457 | ||
| D | 5,662 | 3,904 | 9,913 | ||
| D | 4,368 | 3,935 | 8,929 | ||
| D | 5,219 | 3,589 | 9,289 | ||
| D | 5,013 | 4,063 | 9,497 | ||
| D | 5,202 | 3,182 | 8,935 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
Italian
20.2%
German
18.0%
Irish
16.9%
English
9.0%
Polish
5.7%
American
3.6%
Scottish
1.6%
African American
4.8%
Multiple ancestry combinations reported; no single grouping above 1%.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
2024 ACS
Age distribution by sex
Median age: 44.0 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$100,869
Warren County ranks in the top 5% of US counties.
Warren County$100,869
New Jersey$103,556
United States$80,734
Warren County ranks in the top 5% of US counties by median household income.
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
8.3%
Child poverty is below the national average.
Children under 1810.4%
Working age (18–64)7.7%
Seniors (65+)8.8%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
84.6%
speak English only
Spanish8.4%
Other Indo-European4.3%
Asian & Pacific Islander1.4%
Other languages1.3%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 66.7% of residents not counted as adherents by any reporting body.
Warren County's rural and small-town character sets it apart from New Jersey's densely populated corridors, and its R+20.7 margin in 2024 makes it one of the state's sharpest counterweights to the Democratic-leaning northeast.
The Democratic margin here reached thirty-eight points in 1912. Between 2020 and 2024 the county moved four points toward the Republican candidate; the 2024 margin was twenty-one points.
A population of 110,849, a 77% non-Hispanic-white share, and a median household income of $100,869 describe the county. The county's voting pattern over the last decade is most similar to that of St. Mary's County and Livingston County.
Most similar counties
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Warren County, New Jersey. Akashic. https://akashic.app/county/34041/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More in New Jersey
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Frequently asked questions
How did Warren County, New Jersey vote in 2024?
In 2024, Warren County, New Jersey voted Republican by 20.6 points (R+21), carried by the Republican candidate. Out of 60,356 votes cast, 23,318 went Democratic and 35,772 went Republican.
What is Warren County, New Jersey's political typology?
Akashic places Warren County, New Jersey in the "Diversifying Metro" typology — Mid-size metropolitan counties growing more diverse and trending Democratic. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the county has voted Democratic 11 times, Republican 23 times, and other 0 times.
When did Warren County, New Jersey last vote Democratic?
The most recent presidential election in which Warren County, New Jersey voted Democratic was 1964.
How many people live in Warren County, New Jersey?
Warren County, New Jersey has a population of 110,849 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Warren County, New Jersey?
Median household income in Warren County, New Jersey is $100,869 — above the national median of $80,734. The New Jersey state median is $103,556.
What is the political history of Warren County, New Jersey?
Akashic tracks 38 presidential elections in Warren County, New Jersey from 1876 to 2024. Of those, 11 went Democratic and 23 went Republican. The county's typology — "Diversifying Metro" — captures where that record, its demographics, and its recent swing place it among American communities.