Mills is a town in Natrona County, Wyoming, United States. It is part of the Casper, Wyoming Metropolitan Statistical Area. The population was 2,591 at the 2000 census.
Mills is located at 42°50′49″N 106°22′43″W / 42.846815°N 106.378658°W / 42.846815; -106.378658 (42.846815, -106.378658).
According to the United States Census Bureau, the town has a total area of 1.7 square miles (4.4 km2), of which, 1.7 square miles (4.3 km2) of it is land and 0.04 square miles (0.1 km2) of it (1.78%) is water.