How many people live in Dallam County, TX?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 7,500 people living in Dallam County, TX. That makes Dallam County the 180th-most populous county in Texas. It is home to 0.02% of people living in the state.
7.53K
population of Dallam County, TX (2024)
0.02%
County share of the Texas population (2024)
About 7,500 people lived in Dallam County, TX in 2024.
Population estimates, 2000–2024
What are Dallam County, TX’s age demographics?
About 794 Dallam County, TX residents are aged 65 and older in 2024. That represents 10.6% of its population. For comparison, the age group represents 14% of Texas’s population and 18% in the US overall.
Another 2,600 Dallam County, TX residents, or 34.6% of the population, were children under 18. For comparison, the age group represents 24.6% of Texas’s population and 21.6% in the US overall.
A higher share of Dallam County, TX's population is aged under 18 than the US as a whole.
Population estimates by age group, (2024)
What are Dallam County, TX’s racial and ethnic demographics?
Hispanic residents make up 58.2% of the Dallam County, TX population, higher than the national share of 20%. Dallam County, TX also has a larger share of people identifying as non-Hispanic American Indian and Alaska Native (0.74%) than the US overall (0.72%).
In contrast, Dallam County’s non-Hispanic white population accounts for 37.2%, below the 57.5% nationwide, and the non-Hispanic Black or African American population makes up 1.8% of the county, compared with 12.6% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Dallam County, TX has a higher share of a Hispanic population than Texas as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Dallam County, TX is Dalhart with about 5,800 residents in 2024.
Cities and towns in Dallam County, TX ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Dalhart (pt.) | 5,785 |
| 2. | Texline | 492 |
| 3. | Balance of Dallam County | 1,249 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
