Gulfport is a city in Pinellas County, Florida, United States, a suburb of St. Petersburg. The population of Gulfport was 12,527 at the 2000 census. As of 2004, the population recorded by the U.S. Census Bureau is 12,740. Gulfport is part of the Tampa-St. Petersburg-Clearwater, FL Metropolitan Statistical Area, the 19th largest MSA in the country. Gulfport apartments for rent comparison page shows most up to date rent information on Gulfport apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.