King Salmon is located in the Kvichak Recording District. The area encompasses 219.3 sq. The climate is mainly maritime, characterized by cool, humid, and windy weather. Extremes from -46 to 88 have been recorded. Total precipitation is 20 inches annually, including 45 inches of snowfall.
Fog is common during summer months.
In the 1930s, an air navigation silo was built at the site of present-day King Salmon. At the beginning of World War II, the U.S. built an Air Force base. It was maintained by the Federal Aviation Administration throughout the war. In 1949, a post office was established, and the U.S. Army Corps of Engineers constructed a road to Naknek. The King Salmon Inn opened in 1956.