County Maps US

Denton County, Texas

A county in Texas, ranked 7 of 254 by population.

CountyFIPS 48121

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

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Population
1,069,346
+154,829 (+16.9%) since 2020
Land area
878.8
square miles. A further 7.7% of the total area is water
Population density
1,217
people per square mile, computed rather than published
County seat
Denton
Seat of county government.
Established
1846
179 years ago
Largest city
Denton city
Population 169,431.

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 Denton 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 Denton County, Texas 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 756 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 Denton County ranks

Position among the 254 counties of Texas, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn TexasNationally
Population1,069,3467th of 25446th of 3,144
Land area878.8 sq mi171st of 254912th of 3,144
Population density1,217 per sq mi7th of 254130th of 3,144
Median household income$111,4985th of 25486th of 3,143

Full data for Denton County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population1,069,346Vintage 2025 Population Estimates
Population in 2020914,517Vintage 2025 Population Estimates
2020 estimates base?906,530Vintage 2025 Population Estimates
Land area878.8 sq mi2025 Gazetteer Files
Water area72.9 sq mi2025 Gazetteer Files
Total area951.7 sq mi2025 Gazetteer Files
Population density?1,217 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$111,498American Community Survey 2020-2024 5-Year Estimates
Median home value$437,200American Community Survey 2020-2024 5-Year Estimates
Median age37.0American Community Survey 2020-2024 5-Year Estimates
Households360,392American Community Survey 2020-2024 5-Year Estimates
Housing units376,754American 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
+6,451
11,614 births, 5,163 deaths
Net migration
+16,670
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 6 areas bordering Denton 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
Wise CountyTexas30 mi83,778
Collin CountyTexas29 mi1,297,179
Cooke CountyTexas25 mi44,461
Tarrant CountyTexas21 mi2,248,466
Dallas CountyTexas11 mi2,661,397
Grayson CountyTexas6.9 mi153,613

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

Side by side

All 254 counties of Texas

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

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