Population overview
Llano County is home to roughly 23,353 people, making up about 0.07% of the total population of Texas. Within the Central Texas region, it ranks #33 of 76 counties by population. The combination of 935 square miles of land and 23,353 residents yields a density of about 25.0 people per square mile — characteristic of rural and frontier Texas, with long distances between settlements and large stretches of working ranchland.
How Llano County compares
Compared with the other 253 Texas counties, Llano County sits in the upper 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 Llano |
|---|---|---|
| Llano County | 23,353 | — |
| Central Texas region average | 81,016 | +247% |
| Texas county median | 18,916 | -19% |
| Largest in Texas (Harris) | 5,045,026 | +21503% |
Neighboring county populations
Llano County shares borders with 5 counties. Comparing population across an adjacent corridor often reveals commuting patterns, school-district pull, and economic gravity.
| County | Seat | Population | Density |
|---|---|---|---|
| Burnet County | Burnet | 57,015 | 57.3 |
| Gillespie County | Fredericksburg | 28,527 | 26.9 |
| Blanco County | Johnson City | 13,581 | 19.1 |
| San Saba County | San Saba | 5,787 | 5.1 |
| Mason County | Mason | 3,990 | 4.3 |
Frequently asked questions
What is the population of Llano County, Texas?+
Llano County has an estimated population of 23,353 residents, based on the most recent U.S. Census data.
What is the population density of Llano County?+
Llano County has a population density of approximately 25.0 people per square mile across its 935 sq mi of land area — characteristic of a rural county.
Where does Llano County rank among Texas counties by population?+
Llano County ranks #107 out of 254 Texas counties by total population, accounting for roughly 0.07% of the state's total population.
What is the most populous county near Llano County?+
Among the 5 counties bordering Llano, Burnet County is the most populous with about 57,015 residents.
How is Llano 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.