Skwentna is a census-designated place (CDP) on Iditarod Trail in Matanuska-Susitna Borough, Alaska, United States. It is part of the Anchorage, Alaska Metropolitan Statistical Area. According to the United States Census Bureau, the CDP has a total area of 449.7 square miles (1,165 square kilometers), of which, 442.8 square miles (1,147 square kilometers) of it is land and 6.9 square miles (18 square kilometers) of it (1.54%) is water. There were 360 housing units at an average density of 0.8/sq mi (0.3/square kilometers). The racial makeup of the CDP was 92.79% White, 6.31% Native American, and 0.90% from two or more races.