Salcha is a census-designated place located in the U.S. state of Alaska. It is within Fairbanks North Star Borough in the U.S. state of Alaska. It is included Fairbanks, Alaska Metropolitan Statistical Area. Salcha has a total area of 75.9 square miles at 64°31′16″N 146°58′50″W. It is elevated by 650 feet above sea level. Salcha derived from the word "Salchaket", a native name meaning "the mouth of Salcha". As of 2010 census, the total population of Salcha was 1,095. It had a population density of 15/sq mi. Zip code is 99714.