Gaines County, Texas ZIP codes
4 ZIP codes are in Gaines County, plus 1 that cross in from neighboring counties.
- ZIP codes
- 4
- Population in these ZIPs
- 28,370
- Avg. median income
- $78,400population-weighted
- Cities & towns
- 4
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ZIP codes in Gaines County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 79323 | Denver City | 7,485 | $87,321 | $186,200 |
| 79342 | Loop | 249 | $73,750 | $120,000 |
| 79359 | Seagraves | 3,294 | $53,048 | $121,300 |
| 79360 | Seminole | 17,342 | $79,467 | $261,400 |
ZIP codes partly in Gaines County
These ZIP codes are mostly in a neighboring county but cover part of Gaines County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 79331 | Lamesa | Dawson County | 11,711 | $54,000 | $112,000 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Gaines County
Nearby counties
Frequently asked questions
How many ZIP codes are in Gaines County, Texas?
4 ZIP codes are mainly in Gaines County, and 1 more ZIP codes from neighboring areas reach partly into it.
What cities are in Gaines County?
ZIP codes in Gaines County use the city names Denver City, Loop, Seagraves and Seminole.