King Lake is an unincorporated community and census-designated place in Douglas County, Nebraska, United States.[1] The population was 280 at the 2010 census.[4] Of the population, 218 people are male and 62 are female.[5] The area is 1.02 square miles (2.6 km2). The population density is 125.09 people/sq. mi. The land area is 0.99 square miles (2.6 km2). The water area is 0.03 square miles (0.078 km2).[6]