Upshur County, Texas
County seat: Gilmer · Population 44,410 (2025) · 583 sq mi
Upshur County is the 78th most populous of Texas's 254 counties, with 44,410 people (2025 estimate). Its county seat is Gilmer. It is part of the Upper East region, one of the 12 Texas Comptroller economic regions. The map shows its 8 cities and towns and the 7 neighboring counties.
Upshur County facts
- County seat
- Gilmer
- Population (2025 estimate)
- 44,410 +8.6% since 2020
- Land area
- 583 sq mi 232nd largest of 254
- Water area
- 10 sq mi
- Population density
- 76 per sq mi
- Established
- 1846
- Named after
- Abel P. Upshur lawyer and politician (1790-1844)
- Largest city
- Gilmer 5,287
- Median household income
- $66,208
- Cities and towns
- 8
- ZIP codes
- 12
- Time zone
- Central
- FIPS code
- 48459
Cities and towns in Upshur County
Upshur County has 8 incorporated cities, towns and villages. Populations count the people living inside Upshur County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Gilmer (county seat) | City | 5,287 | |
| Gladewater | City | 2,516 | Gregg County |
| Big Sandy | Town | 1,339 | |
| Ore City | City | 1,210 | |
| East Mountain | City | 972 | Gregg County |
| Union Grove | City | 477 | |
| Warren City | City | 6 | Gregg County |
| Clarksville City | City | 0 | Gregg County |
ZIP codes in Upshur County
12 ZIP codes reach into Upshur County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 75451 also Camp and Wood counties
- 75494 also Wood, Franklin and Hopkins counties
- 75604 also Gregg County
- 75605 also Gregg and Harrison counties
- 75640 also Harrison and Marion counties
- 75644
- 75645 also Gregg County
- 75647 also Gregg and Smith counties
- 75683 also Marion County
- 75686 also Camp, Titus and Morris counties
- 75755 also Wood County
- 75765 also Wood County
Population of Upshur County, 2020–2025
Upshur County grew by 3,521 people (+8.6%) between April 2020 and July 2025: 393 more deaths than births and a net gain of 3,890 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 41,044 |
| 2021 | 41,839 |
| 2022 | 42,497 |
| 2023 | 43,411 |
| 2024 | 44,024 |
| 2025 | 44,410 |
Neighboring counties
- Camp County north · 13,380 people
- Wood County west · 49,688 people
- Gregg County southeast · 126,095 people
- Smith County southwest · 252,549 people
- Marion County east · 9,896 people
- Harrison County east · 71,956 people
- Morris County northeast · 12,133 people
Printable Upshur County map
The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.
- PDF (Letter) (151 KB)
- PNG (2400 px) (87 KB)
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Sources
- Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files (1:500,000).
- Population: Census Bureau county and city estimates, Vintage 2025. CDP populations: American Community Survey 2020–2024.
- Places and ZIP codes: Census Bureau 2026 Gazetteer and 2020 ZIP Code Tabulation Area relationship files.
- County seat, founding year and name origin: Wikidata (CC0), checked against state sources.
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