Lake County, Montana
Lake County is a county in Montana. Its county FIPS code is 30047. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 30047
- Representative coordinates
- 47.642901, -114.083687
- County type
- County
- County seat or government
- Polson
- Resident population, July 2025
- 33,392
- Land area
- 3,860.39 km²
- Water area
- 423.445 km²
- State
- Montana
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Lake County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/Denver | UTC-07:00 in January; UTC-06:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.
Census ZIP areas
59821 · 59824 · 59845 · 59855 · 59860 · 59863 · 59864 · 59865 · 59910 · 59911 · 59914 · 59915 · 59922 · 59929 · 59931
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Lake 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.
Cities, towns and communities
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Arlee CDP, MT
- Bear Dance CDP, MT
- Big Arm CDP, MT
- Charlo CDP, MT
- Dayton CDP, MT
- Elmo CDP, MT
- Finley Point CDP, MT
- Jette CDP, MT
- Kerr CDP, MT
- Kicking Horse CDP, MT
- Kings Point CDP, MT
- Lake Mary Ronan CDP, MT
- Lindisfarne CDP, MT
- Niarada CDP, MT
- Pablo CDP, MT
- Polson city, MT
- Ravalli CDP, MT
- Rocky Point CDP, MT
- Rollins CDP, MT
- Ronan city, MT
- St. Ignatius town, MT
- Swan Lake CDP, MT
- Turtle Lake CDP, MT
- Woods Bay CDP, MT
Areas sharing the mapped boundary
These areas touch this mapped boundary.
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 at your current point, check its ZIP area, or find its physical time zone.