Decatur County, Kansas

Decatur County, Kansas, has 2,716 residents (July 2025 estimate). Its county seat is Oberlin. It uses Central Time and covers 894 sq mi (2,314 km²) of land.

Decatur County in Kansas

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

Resident population, July 2025: 2,716
Land area: 894 sq mi (2,314 km²)
County seat or government: Oberlin
Time zone: Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income: $53,870 ± $3,964
Median home value: $89,500 ± $12,973
Median rent, with utilities: $676 ± $93
Homes lived in by their owners: 77.7% ± 5.2 points
County type: County
Metro or micro area: Outside any metro or micro area
Water area: 0.63 sq mi (1.63 km²)
State: Kansas
County code (FIPS): 20039
Coordinates (central point): 39.783542, -100.459708

Open this point in the location finder

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 Decatur County

Time zone	Local time and UTC offset	Next clock change
Central TimeAmerica/Chicago	UTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock.	Enable JavaScript for upcoming changes.

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ZIP Code areas, largest first

677492,209 people
67757466 people
67739280 people
67653232 people
67643194 people
69026148 people
67635136 people
6762933 people

8 ZIP Code areas overlap Decatur 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 Decatur County, largest first

All 25

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

School districts in Decatur County, largest first

Norton Community Schools Unified School District 2114,593 people
Oberlin Unified School District 2942,570 people
Hoxie Community Schools Unified School District 4121,987 people
Golden Plains Unified School District 316717 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.

Bordering areas, nearest first

Distances are straight lines between map points.

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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.