Gulfport is the second largest city in Mississippi after the state capital Jackson. It is the larger of the two principal cities of the Gulfport-Biloxi, Mississippi Metropolitan Statistical Area, which is included in the Gulfport-Biloxi-Pascagoula, Mississippi Combined Statistical Area. As of the 2010 census, the city of Gulfport had a total population of 69,220. Gulfport is co-county seat with Biloxi of Harrison County, Mississippi. Gulfport is also home to the US Navy Atlantic Fleet Seabees.