Sanders County, Montana

Sanders County, Montana, has 14,062 residents (July 2025 estimate). Its county seat is Thompson Falls. It uses Mountain Time and covers 2,760 sq mi (7,149 km²) of land.

BillingsMissoulaGreat Falls
Sanders County in Montana
Shoshone CountyLake CountyThompson FallsPlainsHot SpringsHeronSčilíp
Sanders County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
14,062
Land area
2,760 sq mi (7,149 km²)
County seat or government
Thompson Falls
Time zone
Mountain TimeUTC-07:00 in January; UTC-06:00 in July
Median household income
$57,476 ± $6,047
Median home value
$359,000 ± $20,498
Median rent, with utilities
$820 ± $54
Homes lived in by their owners
81.3% ± 2.0 points
County type
County
Metro or micro area
Outside any metro or micro areaNext to: Kalispell, MT micro area, Sandpoint, ID micro area, and Missoula, MT metro area
Water area
29.5 sq mi (76.4 km²)
State
Montana
County code (FIPS)
30089
Coordinates (central point)
47.756497, -115.180306

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 Sanders 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. 598594,360 people
  2. 598212,994 people
  3. 598732,920 people
  4. 598742,266 people
  5. 598451,223 people
  6. 598661,161 people
  7. 598531,030 people
  8. 59844712 people
  9. 59831544 people
  10. 59856130 people
  11. 5984881 people

11 ZIP Code areas overlap Sanders 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

Sanders 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 Sanders County, largest first

  1. Plains K-12 Schools4,368 people
  2. Thompson Falls High School District3,910 people
  3. Thompson Falls Elementary School District3,767 people
  4. Arlee Elementary School District3,345 people
  5. Arlee High School District3,345 people
  6. Noxon High School District2,994 people
  7. Charlo High School District1,932 people
  8. Noxon Elementary School District1,742 people
  9. Hot Springs K-121,489 people
  10. Trout Creek Elementary School District1,395 people
  11. Dixon Elementary School District576 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 Sanders 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. Thompson Falls, Montana (city)1,500 people
  2. Plains, Montana (town)1,195 people
  3. Hot Springs, Montana (town)557 people
  4. Heron, Montana (CDP)328 people
  5. Sčilíp, Montana (CDP)281 people
  6. Trout Creek, Montana (CDP)252 people
  7. Noxon, Montana (CDP)209 people
  8. Weeksville, Montana (CDP)147 people
  9. Old Agency, Montana (CDP)129 people
  10. Lonepine, Montana (CDP)122 people
  11. Niarada, Montana (CDP)79 people
  12. Paradise, Montana (CDP)76 people
All 14
  1. Camas, Montana (CDP)34 people
  2. Belknap, Montana (CDP)32 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Shoshone County, Idaho43 mi southwest
  2. Mineral County, Montana44 mi south
  3. Lake County, Montana52 mi east
  4. Lincoln County, Montana57 mi north
  5. Flathead County, Montana64 mi northeast
  6. Bonner County, Idaho78 mi northwest
  7. Missoula County, Montana79 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.