Hattiesburg is a city in the U.S. state of Mississippi, primarily in Forrest County (where it is the county seat) and extending west into Lamar County. The city population was 45,989 at the 2010 census, with an estimated population of 46,805 in 2015. It is the principal city of the Hattiesburg, Mississippi, Metropolitan Statistical Area which encompasses Forrest, Lamar and Perry counties. - Source: Wikipedia
