Pinellas County, Florida

Pinellas County, Florida
Location within the U.S. state of Florida
Coordinates: 27°54′N 82°44′W / 27.90°N 82.74°W / 27.90; -82.74
Country United States
State Florida
FoundedJanuary 1, 1912
Named afterSpanish Punta Pinal ("Point of Pines")
SeatClearwater
Largest citySt. Petersburg
Area
 • Total
608 sq mi (1,570 km2)
 • Land274 sq mi (710 km2)
 • Water334 sq mi (870 km2)  55.0%
Population
 (2020)
 • Total
959,107
 • Estimate 
(2024)
965,870
 • Density3,500/sq mi (1,350/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional districts13th, 14th
Websitewww.pinellas.gov

Pinellas County (US: /pɪˈnɛləs/, pih-NEL-əss) is located on the west central coast of the U.S. state of Florida. As of the 2020 census, the population was 959,107, making it the seventh-most populous county in the state. It is also the most densely populated county in Florida, with 1,326 residents per square kilometer. The county is part of the Tampa–St. Petersburg–Clearwater Metropolitan Statistical Area. Clearwater is the county seat. St. Petersburg is the largest city in the county, as well as the largest city in Florida that is not a county seat.