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Clay County, IN
15 cities and towns and 9 ZIP codes in Clay County, Indiana.
Population
26,409
Land area
358sq mi
People per sq mi
74
ZIP codes
9
Cities and towns in Clay County
Clay County at a glance
- Clay County is 61% less dense than Indiana as a whole.
- The median household income is $70,010, close to the Indiana median.
- A typical owner-occupied home is valued at $153,000 (30% below Indiana) and median rent is $873 a month.
- Its largest cities are Brazil (7,831), Clay City (1,104) and Harmony (645).
Local data for Clay County, IN
Counts from official public data
Housing and community stats
Clay County, IN, American Community Survey 2020-2024
Median household income
$70,010
Poverty rate
11.7%
Median home value
$153,000
Prices +2.0% in a year
Median rent
$873/mo
Homeownership
80.9%
Bachelor's or higher
20.3%
Median age
41.4
Average commute
29.1 min
Largest reported origins and ancestries: German Americans (4,310), Irish Americans (2,242), French Americans (575).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
3.6%
Sep 2026, +0.1 pts in a year
Average annual pay
$46,292
7,742 jobs, 2025
Income per person
$48,881
BEA, 2024
Federal spending
$206M
FY 2026, $7,798 per person
PPP loans
$34.3M
731 loans, 4,615 jobs reported
Campaign donations
$76.4K
Itemized, 2026 cycle
How people get to work
Clay County, IN, workers 16 and older. American Community Survey 5-year estimates
- Drove alone81.2%
- Carpooled11.8%
- Public transit0.1%
- Walked1.3%
- Bicycle0.1%
- Taxi, ride-hailing, motorcycle or other0.7%
- Worked from home4.8%
Average one-way commute: 29.1 minutes for people who do not work from home.
Environment and hazard risk
Clay County, IN, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: earthquake
Storm events since 1996
241
Most often thunderstorm wind
Flood insurance policies
31
0.2% of homes, county
July high / Jan low
86° / 21°F
41.8 inches of rain a year
Hazards, floods and storm historyCheck a flood zone5 historic places
Health statistics
Share of adults in Clay County, IN, CDC PLACES estimates
Obesity
43.3%
U.S. 33.3% +10.0 pts
Diabetes
14.2%
U.S. 12.1% +2.1 pts
Smoking
18.0%
U.S. 12.8% +5.2 pts
Uninsured (18-64)
8.1%
U.S. 11.1% -3.0 pts
Cities, towns and ZIP codes in Clay County
Population shown
Frequently asked questions
- What is the largest city in Clay County, IN?
- Brazil is the largest city or town in Clay County, with about 7,831 residents.
- How many ZIP codes are in Clay County?
- Clay County includes 9 ZIP Code Tabulation Areas, including 47833, 47834, 47840, 47841, 47845.
- What is the population of Clay County, IN?
- About 26,409 people live in Clay County, based on American Community Survey 5-year estimates.
- What counties border Clay County?
- Clay County borders Vigo County, Putnam County, Greene County, Owen County, Sullivan County, Parke County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023