- county
- FIPS 48111
- Largest town: Dalhart
Dallam County, Texas
Dallam County had 7,526 residents in the Census Vintage 2024 estimate, on 1,503.4 square miles of land. It ranks 180th of 254 in Texas by population and 18th by land area.
- Population
- 7,526
- #180 of 254 in Texas · #2,616 in US
- Area
- 1,503.4 sq mi
- #18 of 254 in Texas · #397 in US
- Density
- 5.0 / sq mi
- #198 of 254 in Texas · #2,775 in US
- Median household income
- $61,424
- #119 of 254 in Texas · #1,698 in US
Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area
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Dallam County population, land area and income
Dallam County had 7,526 residents in the Census Vintage 2024 estimate, on 1,503.4 square miles of land. It ranks 180th of 254 in Texas by population and 18th by land area. That works out to 5.0 people per square mile, below the US average of 96.3, and in the bottom quarter nationally.
The median county-equivalent in Texas has 19,267 residents, so Dallam County has 39% of the typical county's population.
Its SAIPE 2023 median household income of $61,424 is below the national county median among 3,143 counties with an estimate.
National rank among 3,144
Population
7,526
2616th of 3,144 (US)
Land area
1,503 sq mi
397th of 3,144 (US)
Density
5.0 / sq mi
2775th of 3,144 (US)
Median household income
$61,424
1698th of 3,143 (US)
Rank within Texas (254)
Population
7,526
180th of 254 (TX)
Land area
1,503 sq mi
18th of 254 (TX)
Density
5.0 / sq mi
198th of 254 (TX)
Median household income
$61,424
119th of 254 (TX)
How Dallam County's population changed since 2020
Dallam County gained 388 residents between the July 2020 and July 2024 estimates, a rise of 5.4%. That ranks 76th of 254 in Texas for growth. The median Texas county changed by +2.1%, and the state as a whole by +7.0%.
Since the April 2020 estimates base, Dallam County recorded 662 births and 324 deaths, a natural change of +338. Net international migration added +728 and net domestic migration, people moving to or from other US counties, came to -685. The largest single component was international migration, which added 728 people.
Components of change, April 2020 to July 2024
- Births
- 662
- Deaths
- 324
- Net international migration
- +728
- Net domestic migration
- -685
- Change, July 2023 to July 2024
- +154
Where Dallam County is
The Census internal point of Dallam County is at 36.286400, -102.594000. It sits in UTM zone 13N. The map shades Texas's 254 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Dallam County outlined. Dots are towns of 1,000+ people with residents in it.
- < -2.0%
- < +0.8%
- < +3.7%
- < +6.9%
- ≥ +6.9%
Orange pin: Dallam County internal point. Dark pin: Austin.
Internal point
- Decimal
- 36.286400, -102.594000
- DMS
- 36°17'11.04"N 102°35'38.40"W
- UTM
- 13N 716079.5E 4018401.1N
- Geohash
- 9wrn3mtrd
- Plus code
- 858V7CP4+HC
Towns in Dallam County
One incorporated place of 1,000+ people has residents in Dallam County, 5,785 people together, or 77% of the county. Each figure counts only the part of the town inside Dallam County; towns marked "part" extend into another county. The largest is Dalhart with 5,785.
- 01Dalhart (part)5,785
Counties bordering Dallam County
The Census 2024 county adjacency file lists 5 neighbors for Dallam County, including 2 across a state line. The most populous is Moore County, TX, with 21,872 residents. Distances run between Census internal points in a straight line.
Distance to Austin and the nearest big city
Austin is 501.0 miles SE of Dallam County's internal point in a straight line. The nearest place of 100,000 or more is Amarillo, TX (population 203,729), 86.4 miles away. The nearest place of 10,000 or more is Dumas, TX (population 14,834), 45.7 miles away.
Dallam County FIPS code
The FIPS code of Dallam County is 48111: state code 48 for Texas plus county code 111. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $61,424.
Questions people ask
What is the population of Dallam County, Texas?
The Census Vintage 2024 estimate for July 1, 2024 is 7,526. That is up 388 people (5.4%) from the July 2020 estimate of 7,138.
What is the FIPS code of Dallam County?
48111. The first two digits (48) are Texas; the last three (111) identify the county.
What is the largest town in Dallam County?
Dalhart, with 5,785 residents inside Dallam County in 2024 (8,443 across all 2 counties it spans).
Which counties border Dallam County?
5 county-equivalents border it in the Census 2024 adjacency file: Moore County, TX; Hartley County, TX; Union County, NM; Sherman County, TX; Cimarron County, OK.
Sources and data as of
Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.
- 01Census Vintage 2024 county population estimates
- 02Census 2024 Gazetteer, counties
- 03Census SAIPE 2023 state and county estimates
- 04Census Vintage 2024 subcounty population estimates
- 05Census 2024 county adjacency file
- 06Census 2024 cartographic boundary file, counties (1:5,000,000)
How every number is computed: methodology. Spotted a wrong figure? Report an error.