What is lemmon sd zip code?

The zip code for Lemmon, SD is 57638. It is located in Perkins County in the northwestern part of South Dakota. The population of Lemmon is around 1,200 people. The town was founded in 1906 and was named after cattleman and banker, Ed Lemmon. It is known for its ranching and agricultural activities. Lemmon is also home to a museum dedicated to western pioneer and author Laura Ingalls Wilder, who lived in the area as a young girl.