County Maps US

Davis County, Utah

A county in Utah, ranked 3 of 29 by population.

CountyFIPS 49011

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

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Population
381,227
+17,461 (+4.8%) since 2020
Land area
324.8
square miles. A further 48.9% of the total area is water
Population density
1,174
people per square mile, computed rather than published
County seat
Farmington
Seat of county government.
Established
1852
173 years ago
Largest city
Layton city
Population 85,308.

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 Davis 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 Davis County, Utah 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 569 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 Davis County ranks

Position among the 29 counties of Utah, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn UtahNationally
Population381,2273rd of 29204th of 3,144
Land area324.8 sq mi29th of 292,751st of 3,144
Population density1,174 per sq mi2nd of 29136th of 3,144
Median household income$110,8844th of 2992nd of 3,143

Full data for Davis County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population381,227Vintage 2025 Population Estimates
Population in 2020363,766Vintage 2025 Population Estimates
2020 estimates base?362,676Vintage 2025 Population Estimates
Land area324.8 sq mi2025 Gazetteer Files
Water area310.5 sq mi2025 Gazetteer Files
Total area635.2 sq mi2025 Gazetteer Files
Population density?1,174 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$110,884American Community Survey 2020-2024 5-Year Estimates
Median home value$505,500American Community Survey 2020-2024 5-Year Estimates
Median age32.5American Community Survey 2020-2024 5-Year Estimates
Households115,919American Community Survey 2020-2024 5-Year Estimates
Housing units120,879American 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
+2,669
4,919 births, 2,250 deaths
Net migration
+45
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 5 areas bordering Davis 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
Salt Lake CountyUtah42 mi1,220,916
Weber CountyUtah35 mi278,174
Morgan CountyUtah29 mi13,383
Tooele CountyUtah24 mi87,461
Box Elder CountyUtaha single point65,320

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

All 29 counties of Utah

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

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