Some of the cities, towns, and places in Pennington County are Black River Township, Bray Township, Clover Leaf Township, Deer Park Township, Erie, Goodridge, Goodridge Township, Hazel, Hickory Township, Highlanding, Highlanding Township, Kratka, Kratka Township, Mavie, Mayfield Township, Norden Township, North Township, Numedal Township, Polk Centre Township, Reiner Township, River Falls Township, Rocksbury Township, Sanders Township, Silverton Township, Smiley Township, St. Hilaire, Star Township, Thief River Falls, Wyandotte Township
Pennington County is a county in the northwestern part of the U.S. state of Minnesota. As of the 2010 United States Census, the population was 13,930. Its county seat is Thief River Falls.