Warren County, Ohio: Realigning Affluent Suburb county. In 2024, voted R+31%. Republican peak: R+56 in 1928.
Key facts
- 2024 presidential margin
- R+31MIT Election Lab
- Political typology
- Realigning Affluent SuburbAkashic typology
- Population
- 250,0082024 5-year
- Median household income
- $110,1322024 5-year
- White (non-Hispanic)
- 82.7%2024 5-year
- Black
- 3.3%2024 5-year
- Hispanic / Latino
- 3.5%2024 5-year
- Peak Democratic margin
- D+6 in 1964MIT Election Lab
- Peak Republican margin
- R+56 in 1928MIT Election Lab
- Most similar
- Okaloosa County, FL · similarity 1.00
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 | −21.8% |
| 1896 | −21.9% |
| 1900 | −23.0% |
| 1904 | −36.3% |
| 1908 | −22.5% |
| 1912 | −11.0% |
| 1916 | −10.1% |
| 1920 | −30.5% |
| 1924 | −44.3% |
| 1928 | −55.7% |
| 1932 | −14.2% |
| 1936 | −1.0% |
| 1940 | −11.7% |
| 1944 | −19.7% |
| 1948 | −13.4% |
| 1952 | −24.1% |
| 1956 | −31.1% |
| 1960 | −29.2% |
| 1964 | +6.1% |
| 1968 | −22.7% |
| 1972 | −47.6% |
| 1976 | −9.2% |
| 1980 | −31.3% |
| 1984 | −53.3% |
| 1988 | −47.3% |
| 1992 | −27.4% |
| 1996 | −29.1% |
| 2000 | −42.2% |
| 2004 | −44.5% |
| 2008 | −36.0% |
| 2012 | −39.1% |
| 2016 | −36.8% |
| 2020 | −30.8% |
| 2024 | −31.3% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 47,128 | 91,132 | 140,759 | ||
| R | 46,069 | 87,988 | 136,100 | ||
| R | 33,730 | 77,643 | 119,450 | ||
| R | 32,909 | 76,564 | 111,760 | ||
| R | 33,398 | 71,691 | 106,426 | ||
| R | 26,044 | 68,037 | 94,422 | ||
| R | 19,142 | 48,318 | 69,078 | ||
| R | 17,089 | 33,210 | 55,409 | ||
| R | 13,542 | 27,998 | 52,802 | ||
| R | 11,145 | 31,419 | 42,818 | ||
| R | 9,031 | 29,848 | 39,070 | ||
| R | 11,306 | 22,430 | 35,522 | ||
| R | 13,349 | 16,115 | 29,935 | ||
| R | 6,941 | 20,210 | 27,897 | ||
| R | 6,756 | 12,663 | 26,014 | ||
| D | 12,406 | 10,982 | 23,388 | ||
| R | 7,945 | 14,505 | 22,450 | ||
| R | 7,193 | 13,673 | 20,866 | ||
| R | 7,054 | 11,529 | 18,583 | ||
| R | 5,793 | 7,584 | 13,409 | ||
| R | 5,765 | 8,598 | 14,363 | ||
| R | 6,895 | 8,722 | 15,617 | ||
| R | 7,209 | 7,359 | 14,707 | ||
| R | 5,547 | 7,421 | 13,165 | ||
| R | 2,455 | 8,708 | 11,219 | ||
| R | 2,406 | 6,729 | 9,749 | ||
| R | 3,956 | 7,464 | 11,491 | ||
| R | 2,937 | 3,610 | 6,642 | ||
| R | 2,101 | 2,788 | 6,267 | ||
| R | 2,656 | 4,233 | 6,996 | ||
| R | 2,012 | 4,381 | 6,528 | ||
| R | 2,675 | 4,311 | 7,115 | ||
| R | 2,794 | 4,379 | 7,234 | ||
| R | 2,400 | 3,807 | 6,453 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
22.3%
English
14.6%
Irish
12.2%
American
5.9%
Italian
4.1%
Polish
2.6%
Scottish
2.1%
African American
2.6%
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: 40.1 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
$110,132
Warren County ranks in the top 0.5% of US counties.
Warren County$110,132
Ohio$71,389
United States$80,734
Warren County ranks in the top 0.5% 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
6.0%
Child poverty is below the national average.
Children under 186.5%
Working age (18–64)5.5%
Seniors (65+)8.8%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
89.2%
speak English only
Asian & Pacific Islander4.3%
Other Indo-European3.6%
Spanish2.3%
Other languages0.7%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 46.1% of residents not counted as adherents by any reporting body.
Anchored by fast-growing communities like Mason and Lebanon, Warren County has delivered double-digit Republican presidential margins for decades, making it a benchmark for measuring GOP strength in southwest Ohio's outer-ring suburbs.
Once reliably Republican — a margin of fifty-six points in 1928 at its widest — Warren County has trended Democratic. The 2024 margin was thirty-one points.
A median household income of $110,132 — among the higher at this geographic scale — and a population of 250,008 describe the county. The county's voting pattern over the last decade is most similar to that of Okaloosa County and Clay 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, Ohio. Akashic. https://akashic.app/county/39165/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More realigning affluent suburb counties
Frequently asked questions
How did Warren County, Ohio vote in 2024?
In 2024, Warren County, Ohio voted Republican by 31.3 points (R+31), carried by the Republican candidate. Out of 140,759 votes cast, 47,128 went Democratic and 91,132 went Republican.
What is Warren County, Ohio's political typology?
Akashic places Warren County, Ohio in the "Realigning Affluent Suburb" typology — College-educated, affluent suburbs — the one bloc moving toward the Democratic Party. 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 1 times, Republican 33 times, and other 0 times.
When did Warren County, Ohio last vote Democratic?
The most recent presidential election in which Warren County, Ohio voted Democratic was 1964.
How many people live in Warren County, Ohio?
Warren County, Ohio has a population of 250,008 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Warren County, Ohio?
Median household income in Warren County, Ohio is $110,132 — above the national median of $80,734. The Ohio state median is $71,389.
What is the political history of Warren County, Ohio?
Akashic tracks 38 presidential elections in Warren County, Ohio from 1876 to 2024. Of those, 1 went Democratic and 33 went Republican. The county's typology — "Realigning Affluent Suburb" — captures where that record, its demographics, and its recent swing place it among American communities.