Clarke County, Iowa
Clarke County, Iowa, has 9,574 residents (July 2025 estimate). Its county seat is Osceola. It uses Central Time and covers 431 sq mi (1,117 km²) of land.
- Resident population, July 2025
- 9,574
- Land area
- 431 sq mi (1,117 km²)
- County seat or government
- Osceola
- Time zone
- Central TimeUTC-06:00 in January; UTC-05:00 in July
- Median household income
- $71,641 ± $7,170
- Median home value
- $161,100 ± $25,809
- Median rent, with utilities
- $931 ± $89
- Homes lived in by their owners
- 72.3% ± 5.6 points
- County type
- County
- Metro or micro area
- Outside any metro or micro areaNext to: Des Moines-West Des Moines, IA metro area
- Water area
- 0.59 sq mi (1.52 km²)
- State
- Iowa
- County code (FIPS)
- 19039
- Coordinates (central point)
- 41.029726, -93.785259
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 Clarke 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. |
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
- 502137,489 people
- 502101,487 people
- 501741,259 people
- 50257914 people
- 50123883 people
- 50275506 people
- 50264502 people
- 50108376 people
- 50222328 people
9 ZIP Code areas overlap Clarke 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 Clarke County, largest first
- Troy Township985 people
- Fremont Township591 people
- Jackson Township521 people
- Osceola Township377 people
- Knox Township278 people
- Ward Township261 people
- Washington Township253 people
- Liberty Township228 people
- Green Bay Township191 people
- Doyle Township188 people
- Franklin Township134 people
- Madison Township132 people
People counts are American Community Survey 2020–2024 5-year estimates. All townships in Iowa, by county
School districts in Clarke County, largest first
- Clarke Community School District8,437 people
- Interstate 35 Community School District4,365 people
- East Union Community School District3,176 people
- Mormon Trail Community School District1,613 people
- Murray Community School District1,474 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.
- Osceola, Iowa (city)5,523 people
- Murray, Iowa (city)614 people
- Woodburn, Iowa (city)165 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Decatur County, Iowa20 mi south
- Lucas County, Iowa24 mi east
- Warren County, Iowa24 mi northeast
- Union County, Iowa24 mi west
- Madison County, Iowa24 mi northwest
- Wayne County, Iowa31 mi southeast
- Ringgold County, Iowa31 mi southwest
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.
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.