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Where am ILOCATED

Hamilton County, Iowa

Hamilton County, Iowa, has 14,944 residents (July 2025 estimate). Its county seat is Webster City. It uses Central Time and covers 577 sq mi (1,494 km²) of land.

Des MoinesCedar RapidsDavenport
Hamilton County in Iowa
Webster CityJewell JunctionStratfordStanhope
Hamilton County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
14,944
Land area
577 sq mi (1,494 km²)
County seat or government
Webster City
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$72,432 ± $8,050
Median home value
$156,400 ± $11,246
Median rent, with utilities
$877 ± $51
Homes lived in by their owners
73.4% ± 3.5 points
County type
County
Metro or micro area
Outside any metro or micro areaNext to: Fort Dodge, IA micro area and Ames, IA metro area
Water area
0.76 sq mi (1.96 km²)
State
Iowa
County code (FIPS)
19079
Coordinates (central point)
42.390789, -93.709130
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 Hamilton 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. 5003616,154 people
  2. 505958,885 people
  3. 502484,216 people
  4. 501301,468 people
  5. 500061,437 people
  6. 502491,312 people
  7. 502301,145 people
  8. 50075807 people
  9. 50532804 people
  10. 50246614 people
  11. 50271581 people
  12. 50132427 people
All 15
  1. 50599410 people
  2. 50034328 people
  3. 50231142 people

15 ZIP Code areas overlap Hamilton 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 Hamilton County, largest first

  1. Lyon Township1,411 people
  2. Marion Township932 people
  3. Clear Lake Township743 people
  4. Lincoln Township662 people
  5. Ellsworth Township546 people
  6. Williams Township405 people
  7. Cass Township368 people
  8. Independence Township356 people
  9. Webster Township350 people
  10. Fremont Township216 people
  11. Liberty Township213 people
  12. Freedom Township209 people
All 16
  1. Blairsburg Township200 people
  2. Rose Grove Township172 people
  3. Hamilton Township167 people
  4. Scott Township167 people

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

School districts in Hamilton County, largest first

  1. Webster City Community School District10,835 people
  2. Roland-Story Community School District5,706 people
  3. South Hamilton Community School District3,566 people
  4. Hubbard-Radcliffe Community School District2,546 people
  5. Stratford Community School District1,258 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. Webster City, Iowa (city)7,769 people
  2. Jewell Junction, Iowa (city)1,084 people
  3. Stratford, Iowa (city)735 people
  4. Stanhope, Iowa (city)509 people
  5. Ellsworth, Iowa (city)482 people
  6. Williams, Iowa (city)369 people
  7. Kamrar, Iowa (city)145 people
  8. Randall, Iowa (city)142 people
  9. Blairsburg, Iowa (city)139 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Wright County, Iowa24 mi north
  2. Hardin County, Iowa24 mi east
  3. Webster County, Iowa24 mi west
  4. Boone County, Iowa27 mi southwest
  5. Story County, Iowa27 mi southeast
  6. Franklin County, Iowa33 mi northeast

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.