Port Heiden is a city located in the U.S. state of Alaska. It is within Lake and Peninsula Borough. Port Heiden has a total area of 51.4 square miles at 56°56′56″N 158°39′21″W. It has an elevation of 95 feet above sea level. As of the 2010 census, the total population of Port Heiden was 102. It had a population density of 1.90/sq mi. Estimated per capita income in 2015 was $37,272. Port Heiden has Zip code 99549.