Champaign County, Ohio Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 63rd-largest in Ohio

The population of Champaign County, Ohio is 38,772 as of the 2023 American Community Survey, making it the 63rd-largest county in Ohio. The median household income is $74,239, the median home value is $186,300, and the median age is 41.6.

The population of Champaign County has declined 2.9% since 2010 (40,078 → 38,907), a -0.21% annualized rate.

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

38,772

Population

-0.21%

Annual growth

People / sq mi

$74,239

Median Income

$186,300

Median Home Value

Champaign County covers 429 sq mi of land at 90.4 people per square mile.

About Champaign County, OH

Champaign County is distinguished by its share of foreign-born residents, 13.3% of the population. With 38,772 residents, Champaign County is a county in Ohio.

Median household income is $74,239, below the US median of $78,538. Poverty is relatively low for US counties at 6.0%, below the national 12.4%. Median home value is $186,300, with typical rent around $884.

19.1% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. Remote work is below the national 14.0% at 8.2%, and the average commute runs about 27 minutes each way.

Champaign County Population History (2010-2024)

The county of Champaign County had a population of 40,078 in 2010 and 38,907 in 2024, a -2.9% growth over 14 years. The peak was 40,078 in 2010. Average annual growth rate: -0.21%.

Champaign County population, 2010–2024 · Source: U.S. Census Bureau — decennial census & Population Estimates

38,907

Population (2024)

40,078

Population (2010)

40,078

Peak (2010)

-0.21%

Avg Annual Growth

Year	Population	Change	Annual %	Source
2010	40,078	-	-	estimate
2011	39,828	-250	-0.62%	estimate
2012	39,579	-249	-0.63%	estimate
2013	39,468	-111	-0.28%	estimate
2014	39,089	-379	-0.96%	estimate
2015	38,976	-113	-0.29%	estimate
2016	38,760	-216	-0.55%	estimate
2017	38,857	+97	+0.25%	estimate
2018	38,799	-58	-0.15%	estimate
2019	38,930	+131	+0.34%	estimate
2020	38,743	-187	-0.48%	estimate
2021	38,800	+57	+0.15%	estimate
2022	38,712	-88	-0.23%	estimate
2023	38,857	+145	+0.37%	estimate
2024	38,907	+50	+0.13%	estimate

Race & Ethnicity

White	92.3%
Black or African American	1.7%
Asian	0.0%
Hispanic or Latino (any race)	1.2%
Two or More Races	0.0%

Age & Sex

41.6

Median Age

50.2%

Female

49.8%

Male

19.0%

Age 65+

Age Distribution

Under 5

5.6%

5–9

4.9%

10–14

7.4%

15–19

6.5%

20–24

5.3%

25–34

12.1%

35–44

11.6%

45–54

13.1%

55–59

7.6%

60–64

7.1%

65–74

11.1%

75–84

6.3%

85+

1.6%

Children (under 15): 17.9% · Seniors (65+): 19.0%

Income & Poverty

Median household income	$74,239+$4,559 vs state
Mean household income	$87,101
Per-capita income	$35,326
Poverty rate	6.0%-3.2% vs state
Unemployment rate	3.3%
Employment-to-population	60.6%

Top Industries by Employment

Manufacturing

25.0%

Professional & business services

20.9%

Finance & real estate

6.9%

Education & health care

6.1%

Retail trade

5.8%

Public administration

5.7%

Arts, entertainment & food

5.7%

Construction

5.5%

The largest employment sector in Champaign County is manufacturing, accounting for 25.0% of workers.

How residents commute

0.0%

Drive alone

2.2%

Carpool

78.9%

Public transit

8.2%

Work from home

26.6 min

Avg commute

Housing

$186,300$-12,900 vs state

Median home value

$884

Median rent

76.7%

Homeownership rate

16,904

Total housing units

91.8%

Occupied

8.2%

Vacant

23.3%

Renter-occupied

Social & access

94.9%

With health insurance

93.6%

With broadband internet

13.3%

Foreign-born

8.0%

Veterans (18+)

14.0%

With a disability

99.0%

Speak language other than English at home

Education

91.8%

High School+

19.1%

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)Warren County (246,364)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

Champaign County, Ohio has a population of 38,772 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 63rd-largest county in Ohio. Population density is 90 people per square mile.

The population of Champaign County has declined 2.9% since 2010 (40,078 → 38,907), a -0.21% annualized rate.

The median household income in Champaign County, Ohio is $74,239, with mean (average) household income of $87,101 and per-capita income of $35,326. 6.0% of residents live below the federal poverty level.

In Champaign County, the largest racial and ethnic groups are White (92.3%), Black or African American (1.7%), Hispanic or Latino (1.2%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Champaign County, Ohio is 41.6 years. Residents are 50.2% female and 49.8% male.

The median home value in Champaign County is $186,300 and median monthly rent is $884. 76.7% of occupied housing units are owner-occupied. The county has 16,904 total housing units, 8.2% of which are vacant.

The largest employment sector in Champaign County, Ohio is manufacturing, employing 25.0% of workers. The unemployment rate is 3.3%.

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