Warren County, Ohio Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 10th-largest in Ohio

The population of Warren County, Ohio is 246,364 as of the 2023 American Community Survey, making it the 10th-largest county in Ohio. The median household income is $107,843, the median home value is $319,700, and the median age is 39.8.

The population of Warren County has grown 20.0% since 2010 (213,445 → 256,059), a +1.31% annualized rate.

Warren County within Ohio · Source: US Census TIGER/Line via us-atlas

246,364

Population

+1.31%

Annual growth

614

People / sq mi

$107,843

Median Income

$319,700

Median Home Value

Warren County covers 401 sq mi of land at 613.7 people per square mile.

About Warren County, OH

Warren County is a county in Ohio with a population of 246,364. It ranks #10 among counties in Ohio by population. The median age is 39.8, in line with the national median. The population is 50.6% male and 49.4% female.

The median household income in Warren County is $107,843, above the US median of $74,580. 4.0% of residents live below the federal poverty level. Home values sit at a median of $319,700, with monthly rent averaging $1,293. The homeownership rate of 79.6% is higher than the national rate of 64.8%.

Educational attainment in Warren County reflects 45.7% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 16.3% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 25.3 minutes each way.

Warren County Population History (2010-2024)

The county of Warren County had a population of 213,445 in 2010 and 256,059 in 2024, a 20.0% growth over 14 years. The peak was 256,059 in 2024. Average annual growth rate: 1.31%.

256,059

Population (2024)

213,445

Population (2010)

256,059

Peak (2024)

1.31%

Avg Annual Growth

Year	Population	Change	Annual %	Source
2010	213,445	-	-	estimate
2011	215,377	+1,932	+0.91%	estimate
2012	217,293	+1,916	+0.89%	estimate
2013	219,298	+2,005	+0.92%	estimate
2014	221,429	+2,131	+0.97%	estimate
2015	224,018	+2,589	+1.17%	estimate
2016	226,858	+2,840	+1.27%	estimate
2017	229,292	+2,434	+1.07%	estimate
2018	232,539	+3,247	+1.42%	estimate
2019	235,601	+3,062	+1.32%	estimate
2020	243,236	+7,635	+3.24%	estimate
2021	246,868	+3,632	+1.49%	estimate
2022	250,298	+3,430	+1.39%	estimate
2023	253,579	+3,281	+1.31%	estimate
2024	256,059	+2,480	+0.98%	estimate

Race & Ethnicity

White	83.7%
Black or African American	3.4%
Asian	0.0%
Hispanic or Latino (any race)	0.7%
Two or More Races	0.0%

Age & Sex

39.8

Median Age

49.4%

Female

50.6%

Male

15.3%

Age 65+

Age Distribution

Under 5

5.5%

5–9

6.6%

10–14

7.3%

15–19

7.0%

20–24

5.5%

25–34

11.4%

35–44

13.9%

45–54

14.1%

55–59

6.4%

60–64

7.0%

65–74

9.4%

75–84

4.4%

85+

1.5%

Children (under 15): 19.4% · Seniors (65+): 15.3%

Income & Poverty

Median household income	$107,843+$38,163 vs state
Mean household income	$142,625
Per-capita income	$52,477
Poverty rate	4.0%-5.2% vs state
Unemployment rate	2.1%
Employment-to-population	63.9%

Top Industries by Employment

Professional & business services

22.6%

Manufacturing

17.6%

Finance & real estate

13.6%

Information

7.7%

Education & health care

7.6%

Construction

4.4%

Public administration

4.3%

Retail trade

4.0%

The largest employment sector in Warren County is professional & business services, accounting for 22.6% of workers.

How residents commute

0.3%

Drive alone

0.9%

Carpool

75.5%

Public transit

16.3%

Work from home

25.3 min

Avg commute

Housing

$319,700+$120,500 vs state

Median home value

$1,293

Median rent

79.6%

Homeownership rate

94,910

Total housing units

95.1%

Occupied

4.9%

Vacant

20.4%

Renter-occupied

Social & access

96.3%

With health insurance

97.0%

With broadband internet

25.5%

Foreign-born

6.9%

Veterans (18+)

10.4%

With a disability

90.0%

Speak language other than English at home

Education

95.0%

High School+

45.7%

Bachelor's+

Largest cities in Ohio

Columbus (906,480)Cleveland (367,523)Cincinnati (309,595)Toledo (268,461)Akron (189,526)Dayton (136,741)Parma (80,131)Canton (70,105)Lorain (65,207)Hamilton (63,124)All Ohio cities →

Other counties in Ohio

Franklin County (1,321,635)Cuyahoga County (1,249,418)Hamilton County (827,878)Summit County (538,087)Montgomery County (535,528)Lucas County (428,748)Butler County (389,910)Stark County (373,764)Lorain County (314,588)Lake County (232,101)All Ohio counties →

Part of Ohio

Ohio demographic profile All Ohio data →

Metro areas in Ohio

Cincinnati (2,255,257)Cleveland (2,171,978)Columbus (2,151,847)Dayton (813,608)Akron (699,508)Toledo (602,977)Youngstown (428,430)Canton (400,495)All US metros →

County rankings

US Counties by Population Richest US Counties by Median Household Income Expensive US Counties by Home Value Educated US Counties Counties With Highest Poverty Rates Youngest US Counties by Median Age Oldest US Counties by Median Age Cheapest US Counties by Median Home Value Racially Diverse US Counties Counties With Largest Hispanic Population All rankings →

Frequently Asked Questions

Warren County, Ohio has a population of 246,364 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 10th-largest county in Ohio. Population density is 614 people per square mile.

The population of Warren County has grown 20.0% since 2010 (213,445 → 256,059), a +1.31% annualized rate.

The median household income in Warren County, Ohio is $107,843, with mean (average) household income of $142,625 and per-capita income of $52,477. 4.0% of residents live below the federal poverty level.

In Warren County, the largest racial and ethnic groups are White (83.7%), Black or African American (3.4%), Hispanic or Latino (0.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Warren County, Ohio is 39.8 years. Residents are 49.4% female and 50.6% male.

The median home value in Warren County is $319,700 and median monthly rent is $1,293. 79.6% of occupied housing units are owner-occupied. The county has 94,910 total housing units, 4.9% of which are vacant.

The largest employment sector in Warren County, Ohio is professional, scientific, and management services, employing 22.6% of workers. The unemployment rate is 2.1%.

Columbus is among the largest cities associated with Warren County, Ohio, with a population of 906,480.