Clay County, Indiana

Clay County, Indiana, has 26,410 residents (July 2025 estimate). Its county seat is Brazil. It uses Eastern Time and covers 358 sq mi (926 km²) of land.

Clay County in Indiana

Clay County and its neighbors (simplified outlines). Open in OpenStreetMap ↗

Resident population, July 2025: 26,410
Land area: 358 sq mi (926 km²)
County seat or government: Brazil
Time zone: Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income: $70,010 ± $6,394
Median home value: $153,000 ± $8,517
Median rent, with utilities: $873 ± $40
Homes lived in by their owners: 80.9% ± 3.4 points
County type: County
Metro or micro area: Terre Haute, IN metro areaOutlying county
Water area: 2.72 sq mi (7.05 km²)
State: Indiana
County code (FIPS): 18021
Coordinates (central point): 39.393928, -87.115858

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These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Clay County

Time zone	Local time and UTC offset	Next clock change
Eastern TimeAmerica/Indiana/Indianapolis	UTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock.	Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

4780233,135 people
4783418,625 people
474384,180 people
478743,226 people
478682,666 people
478792,640 people
478412,534 people
461712,018 people
478401,970 people
474271,014 people
478461,006 people
47837997 people

All 18

47858946 people
47833836 people
47857341 people
47881266 people
47853106 people
4784541 people

18 ZIP Code areas overlap Clay County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Townships in Clay County, largest first

Brazil Township8,603 people
Posey Township4,040 people
Van Buren Township3,190 people
Jackson Township2,824 people
Harrison Township2,583 people
Sugar Ridge Township1,161 people
Perry Township1,039 people
Lewis Township976 people
Dick Johnson Township932 people
Washington Township906 people
Cass Township155 people

People counts are American Community Survey 2020–2024 5-year estimates. All townships in Indiana, by county

School districts in Clay County, largest first

Clay Community Schools25,940 people
Shakamak Schools Metropolitan School District4,577 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

All 15

Bordering areas, nearest first

Distances are straight lines between map points.

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.

ZIP 47471