How many people live in Cameron County, TX?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 431,900 people living in Cameron County, TX. That makes Cameron County the 13th-most populous county in Texas. It is home to 1.4% of people living in the state.
432K
population of Cameron County, TX (2024)
1.4%
County share of the Texas population (2024)
About 431,900 people lived in Cameron County, TX in 2024.
Population estimates, 2000–2024
What are Cameron County, TX’s age demographics?
About 63,700 Cameron County, TX residents are aged 65 and older in 2024. That represents 14.7% of its population. For comparison, the age group represents 14% of Texas's population and 18% in the US overall.
Another 120,200 Cameron County residents, or 27.8% 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 Cameron County, TX's population is aged under 18 than the US as a whole.
Population estimates by age group, (2024)
What are Cameron County, TX’s racial and ethnic demographics?
Hispanic residents make up 89.2% of the Cameron County, TX population, higher than the national share of 20%.
In contrast, Cameron County’s non-Hispanic white population accounts for 8.8%, below the 57.5% nationwide, and the non-Hispanic Black or African American population makes up 0.7% 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.
Cameron 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 Cameron County, TX is Brownsville with about 192,000 residents in 2024.
Cities and towns in Cameron County, TX ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Brownsville | 191,967 |
| 2. | Harlingen | 72,234 |
| 3. | San Benito | 24,712 |
| 4. | Los Fresnos | 8,563 |
| 5. | La Feria | 7,036 |
| 6. | Primera | 5,449 |
| 7. | Port Isabel | 5,210 |
| 8. | Laguna Vista | 3,791 |
| 9. | Combes | 3,259 |
| 10. | Rancho Viejo | 2,863 |
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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.
