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Gregg County, Texas
Gregg County covers just 273 square miles of East Texas — one of the smallest in the state by area — with roughly 125,500 residents centred on Longview. The East Texas Oil Field discovered here in 1930 was the largest in the lower 48 and still shapes the county's mineral ownership patterns, which is worth checking before any land transaction. Median home value is $203,400 against median household income of $67,000.
Open the live Gregg County map →
Gregg County at a glance
- 125,500Population (2025)
- LongviewCounty seat
- 273 sq miLand area
- 460 / sq miDensity
- $67,000Median household income
- $203,400Median home value
What the live Gregg County map shows
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- City Boundaries: 8
- School Boundaries: 7
- Soils: 60
- Voter Precincts: 21
- Wetlands: 5
- Zip Codes: 14
Cities and towns in Gregg County
Clarksville City, Easton, Gladewater, Kilgore, Lakeport, Longview, Warren City, White Oak.