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Clinton County, OH
8 cities and towns and 8 ZIP codes in Clinton County, Ohio.
Population
42,012
Land area
409sq mi
People per sq mi
103
ZIP codes
8
Cities and towns in Clinton County
Clinton County at a glance
- Clinton County is 64% less dense than Ohio as a whole.
- The median household income is $70,407, close to the Ohio median.
- A typical owner-occupied home is valued at $211,900 and median rent is $910 a month.
- The biggest population centers are Wilmington (12,620), Blanchester (4,538) and Sabina (2,734).
Local data for Clinton County, OH
Counts from official public data
Housing and community stats
Clinton County, OH, American Community Survey 2020-2024
Median household income
$70,407
Poverty rate
12.9%
Median home value
$211,900
Prices +8.3% in a year
Median rent
$910/mo
Homeownership
71.8%
Bachelor's or higher
19.3%
Median age
40.8
Average commute
24.6 min
Largest reported origins and ancestries: German Americans (8,968), Irish Americans (5,899), Scottish Americans (922).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
3.1%
Sep 2026, -0.5 pts in a year
Average annual pay
$66,234
19,013 jobs, 2025
Income per person
$55,867
BEA, 2024
Federal spending
$301M
FY 2026, $7,171 per person
PPP loans
$52.8M
910 loans, 5,967 jobs reported
Campaign donations
$84.6K
Itemized, 2026 cycle
How people get to work
Clinton County, OH, workers 16 and older. American Community Survey 5-year estimates
- Drove alone80.1%
- Carpooled7.6%
- Public transit0.2%
- Walked2.7%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other1.6%
- Worked from home7.8%
Average one-way commute: 24.6 minutes for people who do not work from home.
Environment and hazard risk
Clinton County, OH, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: ice storm
Storm events since 1996
685
Most often thunderstorm wind
Flood insurance policies
68
0.4% of homes, county
July high / Jan low
84° / 21°F
42.4 inches of rain a year
Hazards, floods and storm historyCheck a flood zone10 historic places
Health statistics
Share of adults in Clinton County, OH, CDC PLACES estimates
Obesity
39.7%
U.S. 33.3% +6.4 pts
Diabetes
13.5%
U.S. 12.1% +1.4 pts
Smoking
17.7%
U.S. 12.8% +4.9 pts
Uninsured (18-64)
8.1%
U.S. 11.1% -3.0 pts
Cities, towns and ZIP codes in Clinton County
Population shown
Frequently asked questions
- What is the largest city in Clinton County, OH?
- Wilmington is the largest city or town in Clinton County, with about 12,620 residents.
- How many ZIP codes are in Clinton County?
- Clinton County includes 8 ZIP Code Tabulation Areas, including 45107, 45146, 45148, 45159, 45164.
- What is the population of Clinton County, OH?
- About 42,012 people live in Clinton County, based on American Community Survey 5-year estimates.
- What counties border Clinton County?
- Clinton County borders Warren County, Clermont County, Greene County, Brown County, Highland County, Fayette County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023