Antelope is a census-designated place in Sacramento County, California, United States located approximately 15 miles (24 km) northeast of downtown Sacramento and 5 miles (8 km) southwest of Roseville. The population was 45,770 at the 2010 census.
According to the United States Census Bureau, the community has a total area of 6.8 square miles (17.7 km2). Antelope is mostly flat, with very few hills and no major bodies of water.
The northern border of Antelope falls directly onto the line between Sacramento County and Placer County.