Winnebago County, Iowa

Winnebago County, Iowa, has 10,251 residents (July 2025 estimate). Its county seat is Forest City. It uses Central Time and covers 400 sq mi (1,037 km²) of land.

Des MoinesCedar RapidsDavenport
Winnebago County in Iowa
Lake MillsBuffalo CenterThompsonLeland
Winnebago County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
10,251
Land area
400 sq mi (1,037 km²)
County seat or government
Forest City
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$67,642 ± $8,706
Median home value
$135,000 ± $10,626
Median rent, with utilities
$717 ± $24
Homes lived in by their owners
70.6% ± 3.9 points
County type
County
Metro or micro area
Outside any metro or micro areaNext to: Albert Lea, MN micro area and Mason City, IA micro area
Water area
1.23 sq mi (3.18 km²)
State
Iowa
County code (FIPS)
19189
Coordinates (central point)
43.378124, -93.743488

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 Winnebago County

Time zoneLocal time and UTC offsetNext clock change
Central TimeAmerica/ChicagoUTC-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

  1. 504365,771 people
  2. 504593,045 people
  3. 504502,952 people
  4. 504241,441 people
  5. 50480809 people
  6. 50478737 people
  7. 50453537 people
  8. 50446476 people
  9. 50484411 people
  10. 50473219 people
  11. 50465190 people

11 ZIP Code areas overlap Winnebago 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

Winnebago 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 Winnebago County, largest first

  1. Forest Township4,542 people
  2. Center Township2,366 people
  3. Buffalo Township1,006 people
  4. Mount Valley Township723 people
  5. King Township578 people
  6. Norway Township230 people
  7. Newton Township226 people
  8. Grant Township222 people
  9. Lincoln Township218 people
  10. Eden Township185 people
  11. Logan Township162 people
  12. Linden Township125 people

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

School districts in Winnebago County, largest first

  1. Algona Community School District11,526 people
  2. Forest City Community School District7,414 people
  3. Lake Mills Community School District3,998 people
  4. North Iowa Community School District2,845 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.

  1. Forest City, Iowa (city)4,290 people
  2. Lake Mills, Iowa (city)2,088 people
  3. Buffalo Center, Iowa (city)911 people
  4. Thompson, Iowa (city)459 people
  5. Leland, Iowa (city)306 people
  6. Rake, Iowa (city)190 people
  7. Scarville, Iowa (city)66 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Hancock County, Iowa21 mi south
  2. Faribault County, Minnesota23 mi northwest
  3. Worth County, Iowa25 mi east
  4. Kossuth County, Iowa26 mi southwest
  5. Freeborn County, Minnesota28 mi northeast
  6. Cerro Gordo County, Iowa32 mi southeast

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.