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Posey County, IN
10 cities and towns and 5 ZIP codes in Posey County, Indiana.
Population
25,116
Land area
409sq mi
People per sq mi
61
ZIP codes
5
Cities and towns in Posey County
Posey County at a glance
- Posey County is 68% less dense than Indiana as a whole.
- Households here earn a median of $78,129 a year, 9% more than the Indiana figure of $71,957.
- A typical owner-occupied home is valued at $222,900 and median rent is $782 a month.
- The biggest population centers are Mount Vernon (6,400), Poseyville (1,270) and St. Wendel (923).
Local data for Posey County, IN
Counts from official public data
Housing and community stats
Posey County, IN, American Community Survey 2020-2024
Median household income
$78,129
Poverty rate
10.1%
Median home value
$222,900
Prices +5.8% in a year
Median rent
$782/mo
Homeownership
82.3%
Bachelor's or higher
25.2%
Median age
43.0
Average commute
23.4 min
Largest reported origins and ancestries: German Americans (8,626), Irish Americans (2,633), French Americans (650).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
3.5%
Sep 2026, +0.2 pts in a year
Average annual pay
$71,000
8,603 jobs, 2025
Income per person
$63,772
BEA, 2024
Federal spending
$198M
FY 2026, $7,838 per person
PPP loans
$45.4M
520 loans, 4,268 jobs reported
Campaign donations
$135K
Itemized, 2026 cycle
How people get to work
Posey County, IN, workers 16 and older. American Community Survey 5-year estimates
- Drove alone82.7%
- Carpooled8.1%
- Public transit0.1%
- Walked2.1%
- Bicycle0.3%
- Taxi, ride-hailing, motorcycle or other0.8%
- Worked from home6.0%
Average one-way commute: 23.4 minutes for people who do not work from home.
Environment and hazard risk
Posey County, IN, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: earthquake
Storm events since 1996
887
Most often flood
Flood insurance policies
106
0.9% of homes, county
July high / Jan low
88° / 23°F
46.6 inches of rain a year
Hazards, floods and storm historyCheck a flood zone8 historic places
Health statistics
Share of adults in Posey County, IN, CDC PLACES estimates
Obesity
40.4%
U.S. 33.3% +7.1 pts
Diabetes
12.9%
U.S. 12.1% +0.8 pts
Smoking
15.3%
U.S. 12.8% +2.5 pts
Uninsured (18-64)
6.8%
U.S. 11.1% -4.3 pts
Cities, towns and ZIP codes in Posey County
Population shown
Frequently asked questions
- What is the largest city in Posey County, IN?
- Mount Vernon is the largest city or town in Posey County, with about 6,400 residents.
- How many ZIP codes are in Posey County?
- Posey County includes 5 ZIP Code Tabulation Areas, including 47612, 47620, 47631, 47633, 47638.
- What is the population of Posey County, IN?
- About 25,116 people live in Posey County, based on American Community Survey 5-year estimates.
- What counties border Posey County?
- Posey County borders Vanderburgh County, Henderson County, KY, Gibson County, White County, IL, Union County, KY, Gallatin County, IL.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023