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is a city in Lamar County, Mississippi, United States. It is part of the Hattiesburg, Mississippi Metropolitan Statistical Area. The population was 2,164 at the 2000 census. It is the county seat of Lamar County.
According to the United States Census Bureau, the city has a total area of 3.9 square miles (10.2 km²), of which, 3.9 square miles (10.2 km²) of it is land and 0.25% is water. Because of a well known system of aquifers and sand mines, this area was selected for "project dribble" to be the site of nuclear tests by the US government during 1961 to 1968 to measure seismic activity.