Mahnomen County, Minnesota

Mahnomen County, Minnesota, has 5,153 residents (July 2025 estimate). Its county seat is Mahnomen. It uses Central Time and covers 558 sq mi (1,445 km²) of land.

MinneapolisSt. PaulRochester
Mahnomen County in Minnesota
MahnomenNaytahwaushWaubunTwin Lakes
Mahnomen County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
5,153
Land area
558 sq mi (1,445 km²)
County seat or government
Mahnomen
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$59,441 ± $3,445
Median home value
$161,900 ± $5,793
Median rent, with utilities
$696 ± $67
Homes lived in by their owners
73.3% ± 1.3 points
County type
County
Metro or micro area
Outside any metro or micro areaNext to: Detroit Lakes, MN micro area and Grand Forks, ND-MN metro area
Water area
25 sq mi (64.9 km²)
State
Minnesota
County code (FIPS)
27087
Coordinates (central point)
47.328387, -95.811089

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 Mahnomen 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. 566214,336 people
  2. 565572,758 people
  3. 565422,486 people
  4. 565891,760 people
  5. 56651667 people
  6. 56566613 people
  7. 56592550 people
  8. 56516352 people

8 ZIP Code areas overlap Mahnomen 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 Mahnomen County, largest first

  1. Twin Lakes Township754 people
  2. Pembina Township660 people
  3. Island Lake Township358 people
  4. Oakland Township292 people
  5. Little Elbow Township236 people
  6. Lake Grove Township198 people
  7. Popple Grove Township189 people
  8. La Garde Township171 people
  9. Heier Township145 people
  10. Marsh Creek Township133 people
  11. Chief Township128 people
  12. Rosedale Township128 people
All 16
  1. Clover Township126 people
  2. Beaulieu Township100 people
  3. Bejou Township91 people
  4. Gregory Township72 people

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

School districts in Mahnomen County, largest first

  1. Mahnomen Public School District3,669 people
  2. Fosston Public School District3,486 people
  3. Waubun-Ogema-White Earth Public Schools3,331 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.

Tribal areas in Mahnomen County, largest first

  1. White Earth Reservation and Off-Reservation Trust Land9,456 people

American Indian, Alaska Native and Native Hawaiian areas as the Census Bureau maps them, with at least 2% of their area here, water included. These lines don’t decide membership, jurisdiction or land status.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Mahnomen, Minnesota (city)1,049 people
  2. Naytahwaush, Minnesota (CDP)478 people
  3. Waubun, Minnesota (city)419 people
  4. Riverland, Minnesota (CDP)239 people
  5. Twin Lakes, Minnesota (CDP)197 people
  6. Bejou, Minnesota (city)109 people
  7. Beaulieu, Minnesota (CDP)63 people
  8. Roy Lake, Minnesota (CDP)61 people
  9. Midway, Minnesota (CDP)35 people
  10. West Roy Lake, Minnesota (CDP)30 people
  11. Pine Bend, Minnesota (CDP)11 people
  12. The Ranch, Minnesota (CDP)3 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Clearwater County, Minnesota27 mi northeast
  2. Becker County, Minnesota27 mi south
  3. Norman County, Minnesota31 mi west
  4. Polk County, Minnesota41 mi northwest

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.