Humboldt County, Iowa

Humboldt County, Iowa, has 9,409 residents (July 2025 estimate). Its county seat is Dakota City. It uses Central Time and covers 434 sq mi (1,125 km²) of land.

Humboldt County in Iowa

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

Resident population, July 2025: 9,409
Land area: 434 sq mi (1,125 km²)
County seat or government: Dakota City
Time zone: Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income: $71,946 ± $5,487
Median home value: $155,800 ± $9,408
Median rent, with utilities: $744 ± $60
Homes lived in by their owners: 77.2% ± 1.8 points
County type: County
Metro or micro area: Outside any metro or micro areaNext to: Fort Dodge, IA micro area
Water area: 1.3 sq mi (3.37 km²)
State: Iowa
County code (FIPS): 19091
Coordinates (central point): 42.782221, -94.202775

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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 Humboldt 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

505485,722 people
505333,977 people
505971,341 people
505411,067 people
50542859 people
50519765 people
50529752 people
50560732 people
50558653 people
50516586 people
50430520 people
50591405 people

All 17

50577341 people
50570203 people
50582170 people
50545139 people
50520114 people

17 ZIP Code areas overlap Humboldt 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 Humboldt County, largest first

Delana Township583 people
Humboldt Township545 people
Weaver Township452 people
Beaver Township399 people
Vernon Township392 people
Norway Township386 people
Corinth Township315 people
Rutland Township297 people
Avery Township224 people
Lake Township168 people
Grove Township157 people
Wacousta Township150 people

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

School districts in Humboldt County, largest first

Algona Community School District11,526 people
Humboldt Community School District7,250 people
Clarion-Goldfield-Dows Community School District5,098 people
Eagle Grove Community School District4,801 people
West Bend-Mallard Community School District1,770 people
Twin Rivers Community School District1,265 people
Gilmore City-Bradgate Community School District1,158 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.

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.