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Hardin County, OH
9 cities and towns and 11 ZIP codes in Hardin County, Ohio.
Population
30,475
Land area
470sq mi
People per sq mi
65
ZIP codes
11
Cities and towns in Hardin County
Hardin County at a glance
- Hardin County is 78% less dense than Ohio as a whole.
- Households here earn a median of $62,484 a year, 12% less than the Ohio figure of $71,389.
- A typical owner-occupied home is valued at $151,200 (30% below Ohio) and median rent is $793 a month.
- The biggest population centers are Kenton (7,663), Ada (4,797) and Forest (1,286).
Local data for Hardin County, OH
Counts from official public data
Housing and community stats
Hardin County, OH, American Community Survey 2020-2024
Median household income
$62,484
Poverty rate
17.3%
Median home value
$151,200
Prices +5.5% in a year
Median rent
$793/mo
Homeownership
74.7%
Bachelor's or higher
19.5%
Median age
35.2
Average commute
23.6 min
Largest reported origins and ancestries: German Americans (8,236), Irish Americans (3,198), Scottish Americans (807).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
3.8%
Sep 2026, -1.0 pts in a year
Average annual pay
$52,079
7,632 jobs, 2025
Income per person
$44,662
BEA, 2024
Federal spending
$169M
FY 2026, $5,497 per person
PPP loans
$28.5M
798 loans, 3,518 jobs reported
Campaign donations
$67.6K
Itemized, 2026 cycle
How people get to work
Hardin County, OH, workers 16 and older. American Community Survey 5-year estimates
- Drove alone81.4%
- Carpooled7.5%
- Public transit0.0%
- Walked4.8%
- Bicycle0.2%
- Taxi, ride-hailing, motorcycle or other1.2%
- Worked from home4.8%
Average one-way commute: 23.6 minutes for people who do not work from home.
Environment and hazard risk
Hardin County, OH, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: lightning
Storm events since 1996
311
Most often thunderstorm wind
Flood insurance policies
61
0.4% of homes, county
July high / Jan low
84° / 18°F
37.6 inches of rain a year
Hazards, floods and storm historyCheck a flood zone3 historic places
Health statistics
Share of adults in Hardin County, OH, CDC PLACES estimates
Obesity
40.3%
U.S. 33.3% +7.0 pts
Diabetes
12.9%
U.S. 12.1% +0.8 pts
Smoking
17.7%
U.S. 12.8% +4.9 pts
Uninsured (18-64)
8.7%
U.S. 11.1% -2.4 pts
Cities, towns and ZIP codes in Hardin County
Population shown
Frequently asked questions
- What is the largest city in Hardin County, OH?
- Kenton is the largest city or town in Hardin County, with about 7,663 residents.
- How many ZIP codes are in Hardin County?
- Hardin County includes 11 ZIP Code Tabulation Areas, including 43310, 43326, 43340, 43345, 43346.
- What is the population of Hardin County, OH?
- About 30,475 people live in Hardin County, based on American Community Survey 5-year estimates.
- What counties border Hardin County?
- Hardin County borders Allen County, Hancock County, Union County, Marion County, Auglaize County, Logan County, Wyandot County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023