Population overview
Cameron County is home to roughly 433,946 people, making up about 1.37% of the total population of Texas. Within the Central Texas region, it ranks #3 of 76 counties by population. The combination of 906 square miles of land and 433,946 residents yields a density of about 479.0 people per square mile — typical of suburban Texas, with a mix of subdivisions, commercial corridors, and remaining rural land.
How Cameron County compares
Compared with the other 253 Texas counties, Cameron County sits in the top 10% of the population distribution. It belongs to the upper tier of Texas counties — sizable enough to support diverse local services and infrastructure.
| Comparison | Population | vs Cameron |
|---|---|---|
| Cameron County | 433,946 | — |
| Central Texas region average | 81,016 | -81% |
| Texas county median | 18,916 | -96% |
| Largest in Texas (Harris) | 5,045,026 | +1063% |
Neighboring county populations
Cameron County shares borders with 2 counties. Comparing population across an adjacent corridor often reveals commuting patterns, school-district pull, and economic gravity.
| County | Seat | Population | Density |
|---|---|---|---|
| Hidalgo County | Edinburg | 921,549 | 587.3 |
| Willacy County | Raymondville | 19,971 | 33.5 |
Frequently asked questions
What is the population of Cameron County, Texas?+
Cameron County has an estimated population of 433,946 residents, based on the most recent U.S. Census data.
What is the population density of Cameron County?+
Cameron County has a population density of approximately 479.0 people per square mile across its 906 sq mi of land area — characteristic of a suburban county.
Where does Cameron County rank among Texas counties by population?+
Cameron County ranks #13 out of 254 Texas counties by total population, accounting for roughly 1.37% of the state's total population.
What is the most populous county near Cameron County?+
Among the 2 counties bordering Cameron, Hidalgo County is the most populous with about 921,549 residents.
How is Cameron County's population measured?+
Population figures are sourced from the U.S. Census Bureau — the decennial census and annual American Community Survey (ACS) population estimates. See our methodology for full sourcing.