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 |
What the numbers mean
Erath County's density of about 40.4 people per square mile is about 33% of the Texas statewide average of roughly 121. Put another way, there are about 16 acres of land for every resident.
At this density the county is anchored by one or two real towns, with farms and ranches between them. Hospitals, school districts and retail tend to concentrate in Stephenville, which draws shoppers and workers from surrounding rural areas.
Erath County in statewide context
By population the county ranks 79th of 254; by land area it ranks 52nd; and by density it ranks 93rd. Its population and land area rank fairly close together, a balanced profile for Texas.
Texas's population is extremely concentrated: the ten largest counties hold well over half of all Texans, while more than 150 counties have fewer than 30,000 residents. Erath County sits in the middle ground between the big metros and the rural majority.
About the data
Population figures on this page come from the U.S. Census Bureau. The decennial census provides the official count every ten years, and the Bureau's annual Population Estimates Program updates county totals between censuses. Land area comes from the Census Gazetteer and excludes water. Figures are rounded and may differ slightly from county or school district estimates that use other methods. See our methodology page for details.
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.