Pinellas County is a highly urbanised peninsula located on the west-central coast of Florida, bordered by the Gulf of Mexico and Tampa Bay. It stands as the most densely populated county in the state of Florida, packing a population of roughly 959,107 into just 280 square miles of land mass.

1. County Seat: Clearwater serves as the official administrative hub.
2. Largest City: St. Petersburg is the largest municipality in the county and the largest city in Florida that is not a county seat.
3. Historical Name: The name comes from the Spanish words punta pinal, translating to “point of pines”.
4. Geography: It spans 38 miles long and 15 miles at its widest point, boasting 588 miles of varied coastline.
5. Structure: The county features 24 distinct incorporated municipalities alongside large pockets of unincorporated land managed directly by the Pinellas County Government.