Eielson AFB, Alaska, United States [CDP]; population was 5,251 in 1990; housing units was 1,415 in 1990; location is 64°41'N 147°5'W; land area is 12.27 square miles (7,856 acres); water area is 0.89 square miles (567 acres); FIPS code is 21370 [SourceCBP]