Pinellas County, Florida

A county in Florida, ranked 7 of 67 by population.

CountyFIPS 12103

Within Florida

Pinellas County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks Clearwater, the county seat, located via the 2025 Census Gazetteer.

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Population: 948,563; -11,242 (-1.2%) since 2020
Land area: 273.8; square miles. A further 68.4% of the total area is water
Population density: 3,465; people per square mile, computed rather than published
County seat: Clearwater; Seat of county government.
Established: 1911; 114 years ago
Largest city: St. Petersburg city; Population 264,033.

Satellite view

Aerial imagery of Pinellas County with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Pinellas County, Florida from the USGS National Map, with its boundary outlined — Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 383 by 800 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Pinellas County ranks

Position among the 67 counties of Florida, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

Measure	Value	In Florida	Nationally
Population	948,563	7th of 67	58th of 3,144
Land area	273.8 sq mi	66th of 67	2,860th of 3,144
Population density	3,465 per sq mi	1st of 67	31st of 3,144
Median household income	$72,646	26th of 67	1,002nd of 3,143

Full data for Pinellas County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
Measure	Value	Source and vintage
Population	948,563	Vintage 2025 Population Estimates
Population in 2020	959,805	Vintage 2025 Population Estimates
2020 estimates base?	959,090	Vintage 2025 Population Estimates
Land area	273.8 sq mi	2025 Gazetteer Files
Water area	593 sq mi	2025 Gazetteer Files
Total area	866.8 sq mi	2025 Gazetteer Files
Population density?	3,465 per sq mi	Computed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income	$72,646	American Community Survey 2020-2024 5-Year Estimates
Median home value	$355,100	American Community Survey 2020-2024 5-Year Estimates
Median age	49.0	American Community Survey 2020-2024 5-Year Estimates
Households	428,473	American Community Survey 2020-2024 5-Year Estimates
Housing units	520,107	American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths: -5,188; 7,144 births, 12,332 deaths
Net migration: -6,567; More people moved out than moved in.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 2 areas bordering Pinellas County

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering area	State	Shared border	Population
Hillsborough County	Florida	63 mi	1,574,115
Pasco County	Florida	23 mi	674,516

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

Side by side

All 67 counties of Florida

Open the interactive Florida county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.