There are 12 zip codes in Lake County, Montana. The most populated is 59860, located in Polson. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON
Zip Code
Population
City
5986011,528Polson
599119,161Bigfork
598647,057Ronan
598653,899Saint Ignatius
598241,520Charlo
59910658Big Arm
59855376Pablo
59915357Elmo
59914342Dayton
59931269Rollins
59929215Proctor
59863173Ravalli

Zip Codes in Lake County, Montana by Population (2024)