Osceola County, Iowa
Osceola County, Iowa, has 5,980 residents (July 2025 estimate). Its county seat is Sibley. It uses Central Time and covers 399 sq mi (1,033 km²) of land.
- Resident population, July 2025
- 5,980
- Land area
- 399 sq mi (1,033 km²)
- County seat or government
- Sibley
- Time zone
- Central TimeUTC-06:00 in January; UTC-05:00 in July
- Median household income
- $69,239 ± $6,938
- Median home value
- $122,600 ± $10,027
- Median rent, with utilities
- $797 ± $155
- Homes lived in by their owners
- 77.9% ± 3.4 points
- County type
- County
- Metro or micro area
- Outside any metro or micro areaNext to: Worthington, MN micro area, Spirit Lake, IA micro area, and Spencer, IA micro area
- Water area
- 0.71 sq mi (1.84 km²)
- State
- Iowa
- County code (FIPS)
- 19143
- Coordinates (central point)
- 43.378542, -95.633788
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 Osceola 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
- 512493,564 people
- 513462,247 people
- 512481,534 people
- 51354965 people
- 51243735 people
- 51232658 people
- 51350383 people
- 51345347 people
8 ZIP Code areas overlap Osceola 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
Osceola County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Townships in Osceola County, largest first
- West Holman Township2,023 people
- East Holman Township1,200 people
- Ocheyedan Township593 people
- Gilman Township556 people
- Fairview Township321 people
- Baker Township314 people
- Goewey Township225 people
- Wilson Township208 people
- Viola Township174 people
- Horton Township172 people
- Allison Township170 people
- Harrison Township144 people
People counts are American Community Survey 2020–2024 5-year estimates. All townships in Iowa, by county
School districts in Osceola County, largest first
- Sheldon Community School District7,946 people
- Sibley-Ocheyedan Community School District4,578 people
- Hartley-Melvin-Sanborn Community School District4,073 people
- George-Little Rock Community School District2,399 people
- Harris-Lake Park Community School District1,817 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.
- Sibley, Iowa (city)2,803 people
- Ocheyedan, Iowa (city)511 people
- Ashton, Iowa (city)461 people
- Melvin, Iowa (city)230 people
- Harris, Iowa (city)222 people
Bordering areas, nearest first
Distances are straight lines between map points.
- O'Brien County, Iowa20 mi south
- Nobles County, Minnesota22 mi north
- Dickinson County, Iowa22 mi east
- Lyon County, Iowa29 mi west
- Jackson County, Minnesota32 mi northeast
- Clay County, Iowa32 mi southeast
- Sioux County, Iowa34 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.
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