County Maps US

Alachua County, Florida

A county in Florida, ranked 24 of 67 by population.

CountyFIPS 12001

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

Download SVGFull Florida map downloads

Population
290,028
+10,261 (+3.7%) since 2020
Land area
875.7
square miles. A further 9.6% of the total area is water
Population density
331
people per square mile, computed rather than published
County seat
Gainesville
Seat of county government.
Established
1824
201 years ago
Largest city
Gainesville city
Population 148,671.

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 Alachua 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 Alachua 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 800 by 798 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 Alachua 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
Population290,02824th of 67252nd of 3,144
Land area875.7 sq mi22nd of 67926th of 3,144
Population density331 per sq mi25th of 67403rd of 3,144
Median household income$61,94943rd of 671,900th of 3,143

Full data for Alachua County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population290,028Vintage 2025 Population Estimates
Population in 2020279,767Vintage 2025 Population Estimates
2020 estimates base?278,478Vintage 2025 Population Estimates
Land area875.7 sq mi2025 Gazetteer Files
Water area93.1 sq mi2025 Gazetteer Files
Total area968.8 sq mi2025 Gazetteer Files
Population density?331 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$61,949American Community Survey 2020-2024 5-Year Estimates
Median home value$288,800American Community Survey 2020-2024 5-Year Estimates
Median age32.3American Community Survey 2020-2024 5-Year Estimates
Households116,786American Community Survey 2020-2024 5-Year Estimates
Housing units127,731American 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
+321
2,617 births, 2,296 deaths
Net migration
+251
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 7 areas bordering Alachua 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
Marion CountyFlorida47 mi442,660
Bradford CountyFlorida39 mi28,307
Levy CountyFlorida22 mi48,520
Gilchrist CountyFlorida18 mi20,488
Putnam CountyFlorida17 mi77,734
Columbia CountyFlorida17 mi74,094
Union CountyFlorida10 mi16,250

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.