Seminole is a city in Pinellas County, Florida, United States. The population was 10,890 at the 2000 census. As of 2004, the population recorded by the U.S. Census Bureau is 18,226. St. Petersburg College has a campus in the city. Seminole apartments for rent comparison page shows most up to date rent information on Seminole apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.