County Maps US

Dimmit County, Texas

A county in Texas, ranked 176 of 254 by population.

CountyFIPS 48127

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

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Population
8,024
-560 (-6.5%) since 2020
Land area
1,329
square miles. A further 0.4% of the total area is water
Population density
6.0
people per square mile, computed rather than published
County seat
Carrizo Springs
Seat of county government.
Established
1858
167 years ago
Largest city
Carrizo Springs city
Population 4,491.

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 Dimmit 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 Dimmit 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 594 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 Dimmit 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
Population8,024176th of 2542,571st of 3,144
Land area1,329 sq mi29th of 254447th of 3,144
Population density6.0 per sq mi189th of 2542,726th of 3,144
Median household income$38,808251st of 2543,087th of 3,143

Full data for Dimmit County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population8,024Vintage 2025 Population Estimates
Population in 20208,584Vintage 2025 Population Estimates
2020 estimates base?8,615Vintage 2025 Population Estimates
Land area1,329 sq mi2025 Gazetteer Files
Water area5.6 sq mi2025 Gazetteer Files
Total area1,335 sq mi2025 Gazetteer Files
Population density?6.0 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$38,808American Community Survey 2020-2024 5-Year Estimates
Median home value$85,500American Community Survey 2020-2024 5-Year Estimates
Median age35.7American Community Survey 2020-2024 5-Year Estimates
Households2,998American Community Survey 2020-2024 5-Year Estimates
Housing units4,023American 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
+15
128 births, 113 deaths
Net migration
-204
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 5 areas bordering Dimmit 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
Webb CountyTexas44 mi281,224
Zavala CountyTexas43 mi9,037
Maverick CountyTexas31 mi58,823
La Salle CountyTexas30 mi6,517
Frio CountyTexas0.8 mi18,823

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

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.