King Salmon is a census-designated place located in the U.S. state of Alaska. It is within Bristol Bay Borough approximately 284 miles in southwest Anchorage on the north bank of the Naknek River. Katmai National Park and Preserve is located in King Salmon. The total area of King Salmon is 171.0 sq mi at 58°41′24″N 156°39′38″W. In 2010, it had a total population of 374 people and the population density was 2.2/sq mi. King Salmon is using Zip code 99613.