There are 11 zip codes in Koochiching County, Minnesota. The most populated is 56649, located in International Falls. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON
Zip Code
Population
City
566498,892International Falls
566531,243Littlefork
56661976Northome
56660306Mizpah
56669261Kabetogama
56668213Ranier
56627206Big Falls
56629191Birchdale
55772103Nett Lake
5665463Loman
566580Margie

Zip Codes in Koochiching County, Minnesota by Population (2024)