How many people live in Gaines County, TX?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 22,900 people living in Gaines County, TX. That makes Gaines County the 108th-most populous county in Texas. It is home to 0.07% of people living in the state.
22.9K
population of Gaines County, TX (2024)
0.07%
County share of the Texas population (2024)
About 22,900 people lived in Gaines County, TX in 2024.
Population estimates, 2000–2024
What are Gaines County, TX’s age demographics?
About 2,100 Gaines County residents are aged 65 and older in 2024. That represents 9.4% of its population. For comparison, the age group represents 14% of Texas's population and 18% in the US overall.
Another 8,200 Gaines County residents, or 35.8% 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 Gaines County, TX's population is aged under 18 than the US as a whole.
Population estimates by age group, (2024)
What are Gaines County, TX’s racial and ethnic demographics?
Hispanic residents make up 41.1% of the Gaines County, TX population, higher than the national share of 20%.
In contrast, Gaines County’s non-Hispanic Black or African American population accounts for 1.6%, below the 12.6% nationwide, and the non-Hispanic Asian population makes up 0.58% of the county, compared with 6.5% 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.
Gaines County, TX has a higher share of a non-Hispanic white population than Texas as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Gaines County, TX is Seminole with about 7,400 residents in 2024.
Cities and towns in Gaines County, TX ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Seminole | 7,386 |
| 2. | Seagraves | 2,260 |
| 3. | Denver City (pt.) | |
| 4. | Balance of Gaines County | 13,246 |
Keep exploring
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.
