Antelope Hills is located at (43.085182, -106.314972)
According to the United States Census Bureau, the CDP has a total area of 13.4 square miles (34.6 km²), of which, 13.3 square miles (34.4 km²) of it is land and 0.1 square miles (0.1 km²) of it (0.37%) is water [REF].