Population overview
Robertson County is home to roughly 17,839 people, making up about 0.06% of the total population of Texas. Within the Central Texas region, it ranks #48 of 76 counties by population. The combination of 855 square miles of land and 17,839 residents yields a density of about 20.9 people per square mile — characteristic of rural and frontier Texas, with long distances between settlements and large stretches of working ranchland.
How Robertson County compares
Compared with the other 253 Texas counties, Robertson County sits in the lower half of the population distribution. It represents the broad middle of Texas — small to mid-sized counties with a clear county seat and a regionally rooted economy.
| Comparison | Population | vs Robertson |
|---|---|---|
| Robertson County | 17,839 | — |
| Central Texas region average | 81,016 | +354% |
| Texas county median | 18,916 | +6% |
| Largest in Texas (Harris) | 5,045,026 | +28181% |
Neighboring county populations
Robertson County shares borders with 6 counties. Comparing population across an adjacent corridor often reveals commuting patterns, school-district pull, and economic gravity.
| County | Seat | Population | Density |
|---|---|---|---|
| Brazos County | Bryan | 249,088 | 425.1 |
| Milam County | Cameron | 26,258 | 25.8 |
| Limestone County | Groesbeck | 22,849 | 25.1 |
| Burleson County | Caldwell | 20,549 | 30.9 |
| Falls County | Marlin | 17,869 | 23.2 |
| Leon County | Centerville | 16,894 | 15.8 |
Frequently asked questions
What is the population of Robertson County, Texas?+
Robertson County has an estimated population of 17,839 residents, based on the most recent U.S. Census data.
What is the population density of Robertson County?+
Robertson County has a population density of approximately 20.9 people per square mile across its 855 sq mi of land area — characteristic of a rural county.
Where does Robertson County rank among Texas counties by population?+
Robertson County ranks #135 out of 254 Texas counties by total population, accounting for roughly 0.06% of the state's total population.
What is the most populous county near Robertson County?+
Among the 6 counties bordering Robertson, Brazos County is the most populous with about 249,088 residents.
How is Robertson 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.