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Preble County, OH
11 cities and towns and 12 ZIP codes in Preble County, Ohio.
Population
40,765
Land area
424sq mi
People per sq mi
96
ZIP codes
12
Cities and towns in Preble County
Preble County at a glance
- Preble County is 67% less dense than Ohio as a whole.
- Households here earn a median of $69,223 a year, 3% less than the Ohio figure of $71,389.
- A typical owner-occupied home is valued at $180,900 (16% below Ohio) and median rent is $794 a month.
- The biggest population centers are Eaton (8,339), Lake Lakengren (3,445) and Camden (2,029).
Local data for Preble County, OH
Counts from official public data
Housing and community stats
Preble County, OH, American Community Survey 2020-2024
Median household income
$69,223
Poverty rate
12.6%
Median home value
$180,900
Prices +6.4% in a year
Median rent
$794/mo
Homeownership
79.7%
Bachelor's or higher
18.5%
Median age
43.3
Average commute
26.4 min
Largest reported origins and ancestries: German Americans (9,879), Irish Americans (4,524), Italian Americans (904).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
3.2%
Aug 2026, -0.6 pts in a year
Average annual pay
$54,637
11,523 jobs, 2025
Income per person
$53,761
BEA, 2024
Federal spending
$275M
FY 2026, $6,720 per person
PPP loans
$52.4M
1,144 loans, 5,823 jobs reported
Campaign donations
$56K
Itemized, 2026 cycle
How people get to work
Preble County, OH, workers 16 and older. American Community Survey 5-year estimates
- Drove alone82.8%
- Carpooled7.2%
- Public transit0.1%
- Walked2.0%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other0.6%
- Worked from home7.3%
Average one-way commute: 26.4 minutes for people who do not work from home.
Environment and hazard risk
Preble County, OH, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: strong wind
Storm events since 1996
454
Most often thunderstorm wind
Flood insurance policies
87
0.5% of homes, county
July high / Jan low
85° / 17°F
43.1 inches of rain a year
Hazards, floods and storm historyCheck a flood zone16 historic places
Health statistics
Share of adults in Preble County, OH, CDC PLACES estimates
Obesity
39.7%
U.S. 33.3% +6.4 pts
Diabetes
13.4%
U.S. 12.1% +1.3 pts
Smoking
17.0%
U.S. 12.8% +4.2 pts
Uninsured (18-64)
7.5%
U.S. 11.1% -3.6 pts
Cities, towns and ZIP codes in Preble County
Population shown
Frequently asked questions
- What is the largest city in Preble County, OH?
- Eaton is the largest city or town in Preble County, with about 8,339 residents.
- How many ZIP codes are in Preble County?
- Preble County includes 12 ZIP Code Tabulation Areas, including 45003, 45064, 45070, 45311, 45320.
- What is the population of Preble County, OH?
- About 40,765 people live in Preble County, based on American Community Survey 5-year estimates.
- What counties border Preble County?
- Preble County borders Montgomery County, Butler County, Wayne County, IN, Darke County, Union County, IN.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023