Population overview
Gregg County is home to roughly 126,095 people, making up about 0.40% of the total population of Texas. Within the East Texas region, it ranks #3 of 44 counties by population. The combination of 274 square miles of land and 126,095 residents yields a density of about 460.2 people per square mile — typical of suburban Texas, with a mix of subdivisions, commercial corridors, and remaining rural land.
How Gregg County compares
Compared with the other 253 Texas counties, Gregg County sits in the top 25% 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 Gregg |
|---|---|---|
| Gregg County | 126,095 | — |
| East Texas region average | 64,981 | -48% |
| Texas county median | 18,916 | -85% |
| Largest in Texas (Harris) | 5,045,026 | +3901% |
Neighboring county populations
Gregg County shares borders with 4 counties. Comparing population across an adjacent corridor often reveals commuting patterns, school-district pull, and economic gravity.
| County | Seat | Population | Density |
|---|---|---|---|
| Smith County | Tyler | 252,549 | 272.1 |
| Harrison County | Marshall | 71,956 | 80.0 |
| Rusk County | Henderson | 54,854 | 59.4 |
| Upshur County | Gilmer | 44,410 | 75.5 |
Frequently asked questions
What is the population of Gregg County, Texas?+
Gregg County has an estimated population of 126,095 residents, based on the most recent U.S. Census data.
What is the population density of Gregg County?+
Gregg County has a population density of approximately 460.2 people per square mile across its 274 sq mi of land area — characteristic of a suburban county.
Where does Gregg County rank among Texas counties by population?+
Gregg County ranks #38 out of 254 Texas counties by total population, accounting for roughly 0.40% of the state's total population.
What is the most populous county near Gregg County?+
Among the 4 counties bordering Gregg, Smith County is the most populous with about 252,549 residents.
How is Gregg 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.