Population overview
Erath County is home to roughly 43,911 people, making up about 0.14% of the total population of Texas. Within the Central Texas region, it ranks #19 of 76 counties by population. The combination of 1,086 square miles of land and 43,911 residents yields a density of about 40.4 people per square mile — characteristic of small-town and exurban Texas, where towns are anchored by a county seat surrounded by working farmland and ranches.
How Erath County compares
Compared with the other 253 Texas counties, Erath 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 Erath |
|---|---|---|
| Erath County | 43,911 | — |
| Central Texas region average | 81,016 | +85% |
| Texas county median | 18,916 | -57% |
| Largest in Texas (Harris) | 5,045,026 | +11389% |
Neighboring county populations
Erath County shares borders with 7 counties. Comparing population across an adjacent corridor often reveals commuting patterns, school-district pull, and economic gravity.
| County | Seat | Population | Density |
|---|---|---|---|
| Hood County | Granbury | 70,501 | 167.1 |
| Palo Pinto County | Palo Pinto | 30,791 | 32.3 |
| Bosque County | Meridian | 18,918 | 19.1 |
| Eastland County | Eastland | 18,143 | 19.6 |
| Comanche County | Comanche | 14,432 | 15.4 |
| Somervell County | Glen Rose | 10,261 | 54.9 |
| Hamilton County | Hamilton | 8,680 | 10.4 |
Frequently asked questions
What is the population of Erath County, Texas?+
Erath County has an estimated population of 43,911 residents, based on the most recent U.S. Census data.
What is the population density of Erath County?+
Erath County has a population density of approximately 40.4 people per square mile across its 1,086 sq mi of land area — characteristic of a small-town / exurban county.
Where does Erath County rank among Texas counties by population?+
Erath County ranks #79 out of 254 Texas counties by total population, accounting for roughly 0.14% of the state's total population.
What is the most populous county near Erath County?+
Among the 7 counties bordering Erath, Hood County is the most populous with about 70,501 residents.
How is Erath 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.