Clermont County, Ohio Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 14th-largest in Ohio

The population of Clermont County, Ohio is 209,862 as of the 2023 American Community Survey, making it the 14th-largest county in Ohio. The median household income is $83,178, the median home value is $245,600, and the median age is 40.8.

The population of Clermont County has grown 8.4% since 2010 (197,613 → 214,123), a +0.57% annualized rate.

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

209,862

Population

+0.57%

Annual growth

464

People / sq mi

$83,178

Median Income

$245,600

Median Home Value

Clermont County covers 453 sq mi of land at 463.7 people per square mile.

About Clermont County, OH

Clermont County is a county in Ohio with a population of 209,862. It ranks #14 among counties in Ohio by population. The median age is 40.8, older than the national median. The population is 49.6% male and 50.4% female.

The median household income in Clermont County is $83,178, above the US median of $74,580. 5.9% of residents live below the federal poverty level. Home values sit at a median of $245,600, with monthly rent averaging $1,040. The homeownership rate of 73.4% is higher than the national rate of 64.8%.

Educational attainment in Clermont County reflects 31.4% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 12.3% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 28.1 minutes each way.

Clermont County Population History (2010-2024)

The county of Clermont County had a population of 197,613 in 2010 and 214,123 in 2024, a 8.4% growth over 14 years. The peak was 214,123 in 2024. Average annual growth rate: 0.57%.

214,123

Population (2024)

197,613

Population (2010)

214,123

Peak (2024)

0.57%

Avg Annual Growth

Year	Population	Change	Annual %	Source
2010	197,613	-	-	estimate
2011	198,886	+1,273	+0.64%	estimate
2012	199,526	+640	+0.32%	estimate
2013	200,504	+978	+0.49%	estimate
2014	201,516	+1,012	+0.50%	estimate
2015	202,077	+561	+0.28%	estimate
2016	203,332	+1,255	+0.62%	estimate
2017	204,456	+1,124	+0.55%	estimate
2018	205,803	+1,347	+0.66%	estimate
2019	206,851	+1,048	+0.51%	estimate
2020	208,755	+1,904	+0.92%	estimate
2021	209,919	+1,164	+0.56%	estimate
2022	210,906	+987	+0.47%	estimate
2023	212,202	+1,296	+0.61%	estimate
2024	214,123	+1,921	+0.91%	estimate

Race & Ethnicity

White	92.4%
Black or African American	1.5%
Asian	0.0%
Hispanic or Latino (any race)	0.8%
Two or More Races	0.0%

Age & Sex

40.8

Median Age

50.4%

Female

49.6%

Male

17.8%

Age 65+

Age Distribution

Under 5

5.5%

5–9

6.1%

10–14

6.6%

15–19

6.3%

20–24

5.6%

25–34

12.5%

35–44

12.9%

45–54

12.5%

55–59

7.0%

60–64

7.1%

65–74

11.0%

75–84

5.2%

85+

1.6%

Children (under 15): 18.2% · Seniors (65+): 17.8%

Income & Poverty

Median household income	$83,178+$13,498 vs state
Mean household income	$107,049
Per-capita income	$43,473
Poverty rate	5.9%-3.3% vs state
Unemployment rate	2.7%
Employment-to-population	62.3%

Top Industries by Employment

Professional & business services

20.8%

Manufacturing

15.0%

Finance & real estate

11.3%

Information

8.4%

Education & health care

8.0%

Construction

7.1%

Retail trade

5.7%

Arts, entertainment & food

4.7%

The largest employment sector in Clermont County is professional & business services, accounting for 20.8% of workers.

How residents commute

0.2%

Drive alone

0.7%

Carpool

78.4%

Public transit

12.3%

Work from home

28.1 min

Avg commute

Housing

$245,600+$46,400 vs state

Median home value

$1,040

Median rent

73.4%

Homeownership rate

87,534

Total housing units

96.3%

Occupied

3.7%

Vacant

26.6%

Renter-occupied

Social & access

94.3%

With health insurance

95.2%

With broadband internet

23.4%

Foreign-born

7.3%

Veterans (18+)

14.3%

With a disability

96.9%

Speak language other than English at home

Education

91.9%

High School+

31.4%

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

Clermont County, Ohio has a population of 209,862 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 14th-largest county in Ohio. Population density is 464 people per square mile.

The population of Clermont County has grown 8.4% since 2010 (197,613 → 214,123), a +0.57% annualized rate.

The median household income in Clermont County, Ohio is $83,178, with mean (average) household income of $107,049 and per-capita income of $43,473. 5.9% of residents live below the federal poverty level.

In Clermont County, the largest racial and ethnic groups are White (92.4%), Black or African American (1.5%), Hispanic or Latino (0.8%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Clermont County, Ohio is 40.8 years. Residents are 50.4% female and 49.6% male.

The median home value in Clermont County is $245,600 and median monthly rent is $1,040. 73.4% of occupied housing units are owner-occupied. The county has 87,534 total housing units, 3.7% of which are vacant.

The largest employment sector in Clermont County, Ohio is professional, scientific, and management services, employing 20.8% of workers. The unemployment rate is 2.7%.

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