About This Place
Nikiski is a census-designated place (CDP) in Kenai Peninsula Borough, Alaska, United States. The population was 4,327 at the 2000 census.
Nikiski is located at 60°42′28″N 151°15′46″W / 60.70778°N 151.26278°W / 60.70778; -151.26278 (60.707891, -151.262646).
According to the United States Census Bureau, the CDP has a total area of 76.2 square miles (197.4 km²), of which, 69.6 square miles (180.3 km²) of it is land and 6.6 square miles (17.1 km²) of it (8.66%) is water.