Pinellas County Map, Florida
Explore the definitive interactive map and reference guide to Pinellas County, Florida. With a population of 959,107 living across 274 square miles of land, Pinellas County is one of 5 counties in the Tampa Bay region. The county seat is Clearwater, and the county carries the FIPS identifier 12103 in U.S. Census and USGS datasets.
A dense peninsula between Tampa Bay and the Gulf of Mexico, Pinellas is the most densely populated county in Florida. St. Petersburg and Clearwater anchor a nearly continuous urban corridor along Gulf beaches.
Pinellas County at a glance
A concise reference summary of Pinellas County's key statistics — useful for research, real estate, relocation, travel planning, GIS workflows, journalism, and civics education.
- Official name
- Pinellas County
- County seat
- Clearwater
- FIPS code
- 12103
- Region
- Tampa Bay
- Established
- 1912
- Named for
- The Spanish 'Punta Piñal' — Point of Pines.
- Land area
- 274 sq mi
- Water area
- 334 sq mi
- Total area
- 608 sq mi
- Population (2020)
- 959,107
- Population density
- 3500 / sq mi
- Time zone
- Eastern Time
Where is Pinellas County, Florida?
Pinellas County is located in the Tampa Bay region of Florida, one of 67 counties that make up the state. Its county seat, Clearwater, is the administrative hub — home to the courthouse, county commission chambers, tax collector, property appraiser, supervisor of elections, and clerk of the circuit court.
The county spans a total of 608 square miles — 274 of land and 334 of water — and operates on Eastern Time. Federal agencies including the U.S. Census Bureau, USGS, and FEMA reference the county by its FIPS code, 12103, in datasets, boundary files, and hazard mapping.
Pinellas County shares borders with 2 neighboring counties: Pasco County, Hillsborough County. Use the interactive map above to explore where those boundaries meet or jump directly to any neighboring county page for a side-by-side comparison.
Pinellas County geography & landscape
The peninsula is fringed by barrier islands (Sand Key, Treasure Island, St. Pete Beach) and Gulf beaches. Tampa Bay borders the east.
The county's overall footprint — 274 square miles of land plus 334 square miles of water — places it among the more compact of Florida's 67 counties by area. Elevation across most of Florida is modest, and land-use, drainage basins, and habitat corridors defined by state and federal agencies (Florida Department of Environmental Protection, U.S. Fish & Wildlife Service, and the Water Management Districts) shape how growth and conservation coexist here.
Economy & industry in Pinellas County
Health care (BayCare, Johns Hopkins All Children's), marine research (USF St. Petersburg, USGS), Raymond James Financial, tourism (Clearwater Beach is regularly ranked #1 U.S. beach), MacDill support (across the bay), and defense manufacturing (Honeywell, Jabil).
Employment, tax base, and land use in Pinellas County reflect its location in Tampa Bay and its position as one of Florida's most populous counties. Economic development authorities, chambers of commerce, and the Florida Department of Economic Opportunity publish updated employer and workforce data for the county on their portals.
History of Pinellas County
Split from Hillsborough County in 1912. St. Petersburg was named for the Russian city by co-founder Peter Demens. Tarpon Springs was settled by Greek sponge divers in the early 1900s.
Established in 1912, Pinellas County is one of Florida's modern counties. Its boundaries, seat, and government have evolved through territorial, statehood, Reconstruction, and modern eras — a lineage documented by the Florida Historical Society, the State Archives of Florida, and the Pinellas County Historical Commission or equivalent local body.
Tourism & things to do in Pinellas County
Clearwater Beach, Fort De Soto Park, Salvador Dalí Museum, Sunken Gardens, Tarpon Springs Sponge Docks, and St. Petersburg's Downtown.
Whether you're planning a weekend trip, a longer stay, or a day drive from a neighboring county, Pinellas County offers a mix of natural, cultural, and community attractions tied to its Tampa Bay identity. For the latest hours, admission fees, and seasonal events, check the county's official tourism development council and the Florida State Parks portal (floridastateparks.org).
Cities, towns & communities in Pinellas County
Pinellas County contains the following incorporated cities, towns, and notable census-designated places. Each municipality provides local services, zoning, and police protection within the broader county jurisdiction. Use the ZIP code lookupto jump between Florida counties instantly.
Getting to Pinellas County
Access routes and regional transportation infrastructure serving Pinellas County.
- I-275
- US-19
- US-92
- SR-60
- Sunshine Skyway Bridge
- Howard Frankland Bridge
- St. Pete–Clearwater International (PIE)
- Tampa International (across bridge)
- Albert Whitted (SPG)
Pinellas County GIS, parcel & boundary data
Pinellas County's authoritative boundary lines, parcel data, zoning layers, flood zones, and land-use inventories are maintained by county government and state agencies. Use the official links in the sidebar for parcel lookups, appraiser searches, and record requests. For statewide GIS, the Florida Geographic Data Library (FGDL) and the Florida Department of Environmental Protection publish downloadable layers keyed to FIPS 12103.
You can download this county's outline as SVG, PNG, or a printable PDF factsheet using the export tools in the sidebar — perfect for reports, presentations, classroom handouts, or planning documents.
Frequently asked about Pinellas County
Population figures reflect the U.S. Census Bureau 2020 decennial count with ACS 5-year updates where noted. Land and water areas come from the U.S. Census Bureau TIGER/Line boundary files. Highway designations use Florida Department of Transportation route inventories. County establishment dates and namesakes are drawn from the Florida Association of Counties and State Archives of Florida. See our methodology page.
Nearby Florida counties
Counties that share a border with Pinellas County. Click any to view its map, seat, cities, and full guide.