County Maps US

Gulf County, Florida

A county in Florida, ranked 61 of 67 by population.

CountyFIPS 12045

Within Florida
Gulf County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks Port St. Joe, the county seat, located via the 2025 Census Gazetteer.

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Population
15,943
+1,673 (+11.7%) since 2020
Land area
553.5
square miles. A further 30.3% of the total area is water
Population density
28.8
people per square mile, computed rather than published
County seat
Port St. Joe
Seat of county government.
Established
1925
100 years ago
Largest city
Port St. Joe city
Population 3,995.

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; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Gulf 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 Gulf 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 548 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 Gulf 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.

MeasureValueIn FloridaNationally
Population15,94361st of 672,039th of 3,144
Land area553.5 sq mi53rd of 671,883rd of 3,144
Population density28.8 per sq mi57th of 671,960th of 3,144
Median household income$61,17945th of 671,968th of 3,143

Full data for Gulf County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population15,943Vintage 2025 Population Estimates
Population in 202014,270Vintage 2025 Population Estimates
2020 estimates base?14,198Vintage 2025 Population Estimates
Land area553.5 sq mi2025 Gazetteer Files
Water area241.1 sq mi2025 Gazetteer Files
Total area794.6 sq mi2025 Gazetteer Files
Population density?28.8 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$61,179American Community Survey 2020-2024 5-Year Estimates
Median home value$250,000American Community Survey 2020-2024 5-Year Estimates
Median age46.9American Community Survey 2020-2024 5-Year Estimates
Households5,944American Community Survey 2020-2024 5-Year Estimates
Housing units9,362American 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
-86
119 births, 205 deaths
Net migration
+133
More people moved in than moved out.

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

The 4 areas bordering Gulf 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 areaStateShared borderPopulation
Bay CountyFlorida50 mi204,479
Franklin CountyFlorida46 mi13,029
Liberty CountyFlorida28 mi8,035
Calhoun CountyFlorida16 mi13,289

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

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.