Lake County, Montana

Lake County
St. Ignatius Mission at St. Ignatius, Montana
Map of Montana highlighting Lake County
Location within the U.S. state of Montana
Map of the United States highlighting Montana
Montana's location within the U.S.
Coordinates: 47°39′N 114°05′W / 47.65°N 114.09°W / 47.65; -114.09
Country United States
State Montana
Founded1923
Named forFlathead Lake
SeatPolson
Largest cityPolson
Area
 • Total1,654 sq mi (4,280 km2)
 • Land1,490 sq mi (3,900 km2)
 • Water164 sq mi (420 km2)  9.9%
Population
 (2020)
 • Total31,134
 • Estimate 
(2022)
32,853 Increase
 • Density19/sq mi (7.3/km2)
Time zoneUTC−7 (Mountain)
 • Summer (DST)UTC−6 (MDT)
Congressional district1st
Websitewww.lakemt.gov
  • Montana county number 15

Lake County is a county located in the northwest part of the U.S. state of Montana. As of the 2020 census, the population was 31,134.[1] Its county seat is Polson.[2]

  1. ^ "State & County QuickFacts". United States Census Bureau. Retrieved April 5, 2023.
  2. ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.