Flathead County, Montana

Flathead County, Montana, has 115,429 residents (July 2025 estimate). Its county seat is Kalispell. It uses Mountain Time and covers 5,087 sq mi (13,176 km²) of land.

BillingsMissoulaGreat Falls
Flathead County in Montana
Glacier CountyLake CountyLincoln CountyPondera CountySanders CountyTeton CountyKalispellWhitefishBigfork
Flathead County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
115,429
Land area
5,087 sq mi (13,176 km²)
County seat or government
Kalispell
Time zone
Mountain TimeUTC-07:00 in January; UTC-06:00 in July
Median household income
$73,925 ± $2,517
Median home value
$535,500 ± $17,031
Median rent, with utilities
$1,142 ± $42
Homes lived in by their owners
72.4% ± 1.8 points
County type
County
Metro or micro area
Kalispell, MT micro areaCentral county
Water area
169 sq mi (437 km²)
State
Montana
County code (FIPS)
30029
Coordinates (central point)
48.295422, -114.052059

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 Flathead County

Time zoneLocal time and UTC offsetNext clock change
Mountain TimeAmerica/DenverUTC-07:00 in January; UTC-06:00 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. 5990163,161 people
  2. 5991215,752 people
  3. 5993715,114 people
  4. 599119,493 people
  5. 599222,337 people
  6. 599321,850 people
  7. 599201,704 people
  8. 599251,532 people
  9. 598451,223 people
  10. 59936690 people
  11. 59919679 people
  12. 59913582 people
All 16
  1. 59927270 people
  2. 59926268 people
  3. 59916232 people
  4. 5992886 people

16 ZIP Code areas overlap Flathead 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

Flathead 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.

School districts in Flathead County, largest first

  1. Flathead High School District71,767 people
  2. Kalispell Elementary School District34,877 people
  3. Columbia Falls High School District16,191 people
  4. Whitefish High School District16,023 people
  5. Whitefish Elementary School District15,318 people
  6. Columbia Falls Elementary School District15,269 people
  7. Bigfork High School District9,480 people
  8. Bigfork Elementary School District7,146 people
  9. Evergreen Elementary School District6,792 people
  10. Somers Elementary School District6,591 people
  11. West Valley Elementary School District6,546 people
  12. Smith Valley Elementary School District3,147 people
All 23
  1. Cayuse Prairie Elementary School District2,887 people
  2. Helena Flats Elementary School District2,240 people
  3. Kila Elementary School District1,941 people
  4. Swan River Elementary School District1,922 people
  5. Marion Elementary School District1,767 people
  6. Fair-Mont-Egan Elementary School District1,537 people
  7. Creston Elementary School District1,507 people
  8. Olney-Bissell Elementary School District1,352 people
  9. Deer Park Elementary School District1,261 people
  10. West Glacier Elementary School District922 people
  11. Pleasant Valley Elementary School District174 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 Flathead County, largest first

  1. Flathead Reservation32,167 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. Kalispell, Montana (city)28,504 people
  2. Evergreen, Montana (CDP)9,611 people
  3. Whitefish, Montana (city)8,749 people
  4. Columbia Falls, Montana (city)5,615 people
  5. Bigfork, Montana (CDP)5,565 people
  6. Lakeside, Montana (CDP)2,386 people
  7. Somers, Montana (CDP)1,280 people
  8. Marion, Montana (CDP)1,037 people
  9. Helena Flats, Montana (CDP)857 people
  10. Batavia, Montana (CDP)690 people
  11. Hungry Horse, Montana (CDP)679 people
  12. Coram, Montana (CDP)452 people
All 24
  1. Kila, Montana (CDP)373 people
  2. Martin City, Montana (CDP)342 people
  3. Forest Hill Village, Montana (CDP)315 people
  4. West Glacier, Montana (CDP)263 people
  5. Olney, Montana (CDP)158 people
  6. Little Bitterroot Lake, Montana (CDP)156 people
  7. Rhodes, Montana (CDP)110 people
  8. Essex, Montana (CDP)82 people
  9. Niarada, Montana (CDP)79 people
  10. Snowslip, Montana (CDP)71 people
  11. Pinnacle, Montana (CDP)48 people
  12. Polebridge, Montana (CDP)14 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Lake County, Montana45 mi south
  2. Glacier County, Montana56 mi northeast
  3. Sanders County, Montana64 mi southwest
  4. Lincoln County, Montana67 mi west
  5. Pondera County, Montana84 mi east
  6. Missoula County, Montana88 mi south
  7. Teton County, Montana88 mi east
  8. Lewis and Clark County, Montana112 mi southeast
  9. Powell County, Montana113 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.