Collins is a city in Covington County, Mississippi, United States. The population was 2,761 at the 2005 census. It is the county seat of Covington County.Collins was the home of Dale Houston, a rock and roll singer whose I'm Leaving It Up To You reached No. 1 in 1963. Film legend Dana Andrews was born on a farmstead just outside Collins, and actor Gerald McRaney, and NFL stars Steve McNair, Correll Buckhaulter and former NBA star Randolph Keys, were all born in Collins.