Seminole is surrounded by Pinellas County enclaves in all directions. Its closest neighbors are Indian Rocks Beach to the northwest, Largo to the north, Pinellas Park to the east, St. Petersburg to the south, and the Gulf beach communities to the west. Its main arteries are State Road 694 and Alternate U.S. Highway 19. It embraces the lower half of the lower limb of Lake Seminole.
According to the United States Census Bureau, the city has a total area of 5.6 square miles. 5.1 square miles of it is land and 0.54 square miles of it (9.58%) is water. As of the census of 2000, there were 10,890 people, 5,989 households, and 2,701 families residing in the city. In 2010 the mean income for a household in the city was $45,730, and the median income for a family was $63,260. The per capita income for the city was $29,862.
In 2010 the mean income for a household in the city was $45,730, and the median income for a family was $63,260. The per capita income for the city was $29,862. The Seminole Water Tower Controversy: the water tower was painted . In late 2005, council members expressed dissatisfaction with the design, but residents spoke out in its favor, feeling it made Seminole unique and provided a good landmark for giving directions.