Mills County, Iowa

Mills County, Iowa, has 14,793 residents (July 2025 estimate). Its county seat is Glenwood. It uses Central Time and covers 437 sq mi (1,133 km²) of land.

Mills County in Iowa

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

Resident population, July 2025: 14,793
Land area: 437 sq mi (1,133 km²)
County seat or government: Glenwood
Time zone: Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income: $90,753 ± $5,692
Median home value: $237,800 ± $9,694
Median rent, with utilities: $959 ± $96
Homes lived in by their owners: 83.5% ± 3.3 points
County type: County
Metro or micro area: Omaha, NE-IA metro areaOutlying county
Water area: 3.21 sq mi (8.32 km²)
State: Iowa
County code (FIPS): 19129
Coordinates (central point): 41.033703, -95.619101

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 Mills 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

5150337,972 people
515348,874 people
515511,842 people
516531,446 people
515611,039 people
51571902 people
51533844 people
51645419 people
51540372 people
51541273 people
51554194 people

11 ZIP Code areas overlap Mills 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 Mills County, largest first

All 13

St. Marys Township86 people

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

School districts in Mills County, largest first

Lewis Central Community School District15,709 people
Glenwood Community School District10,712 people
Shenandoah Community School District7,004 people
Treynor Community School District3,164 people
East Mills Community School District3,113 people
Fremont-Mills Community School District2,561 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.