How many people live in Starr County, TX?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 66,600 people living in Starr County, TX. That makes Starr County the 55th-most populous county in Texas. It is home to 0.21% of people living in the state.
66.6K
population of Starr County, TX (2024)
0.21%
County share of the Texas population (2024)
About 66,600 people lived in Starr County, TX in 2024.
Population estimates, 2000–2024
What are Starr County, TX’s age demographics?
About 7,700 Starr County, TX residents are aged 65 and older in 2024. That represents 11.5% of its population. For comparison, the age group represents 14% of Texas’s population and 18% in the US overall.
Another 21,300 Starr County residents, or 31.9% 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 Starr County, TX's population is aged under 18 than the US as a whole.
Population estimates by age group, (2024)
What are Starr County, TX’s racial and ethnic demographics?
Hispanic residents make up 96.9% of the Starr County, TX population, higher than the national share of 20%.
In contrast, Starr County’s non-Hispanic white population accounts for 2.5%, below the 57.5% nationwide, and the non-Hispanic Black or African American population makes up 0.25% 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.
Starr 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 Starr County, TX is Rio Grande City with about 15,500 residents in 2024.
Cities and towns in Starr County, TX ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Rio Grande City | 15,526 |
| 2. | Roma | 11,635 |
| 3. | Escobares | 2,589 |
| 4. | La Grulla | 1,237 |
| 5. | Balance of Starr County | 35,600 |
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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.
