Post Falls is a city in Kootenai County, Idaho, between Coeur d'Alene and Spokane, Washington. It is a suburb of Coeur d'Alene, to the east, and a bedroom community to Spokane, to the west. The population was 27,574 at the 2010 census, up from 17,247 in 2000 census, making it Idaho's tenth largest city. The U.S. Census Bureau estimated 2019 population is 36,250.
Post Falls is named after Frederick Post, a German immigrant who constructed a lumber mill along the Spokane River in 1871 on land he purchased from Andrew Seltice, Chief of the Coeur d'Alene Tribe. The purchase of the land is preserved in a pictograph on a granite cliff in Treaty Rock Park.
47.712°N 116.948°W / 47.712; -116.948
According to the United States Census Bureau, the city has a total area of 14.11 square miles (36.54 km2), of which 14.07 square miles (36.44 km2) is land and 0.04 square miles (0.10 km2) is water.
Post Falls is located on the Rathdrum Prairie, along the Washington–Idaho border. It is bounded by Coeur d’Alene to the east, Stateline and the state of Washington to the west, and the Spokane River to the south. Post Falls is 20 miles (32 km) east of Spokane and approximately 100 miles (160 km) south of the Canada–United States border. The elevation of the city is 2,182 feet (665 m) above sea level.
Post Falls has a dry-summer continental climate (Dsa), with four very distinct seasons.
The public schools are run by the Post Falls School District #273. Other schools within Post Falls include: