County outline
Where Upshur County is located
Area breakdown
Land accounts for 98.4% of Upshur County’s measured area and water for 1.6%. Its combined area converts to 1,534.8 square kilometers or approximately 379,254 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 582.98 | 1,509.911 | 373,107.2 |
| Water | 9.605 | 24.877 | 6,147.2 |
| Total | 592.585 | 1,534.788 | 379,254.4 |
How Upshur County compares
By original Census land area, Upshur County ranks #232 of 254 in Texas and #1687 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 0.642 times the Texas county-equivalent median of 908.7 square miles. It accounts for 0.2% of the combined county land area in the state.
See the complete Texas ranking · What counts as a county equivalent?
Population and density of Upshur County
The Census Bureau estimates that 44,410 people lived in Upshur County on July 1, 2025. That ranks #1,124 of 3,222 county equivalents nationally and #78 of 254 in Texas. Since the April 1, 2020 estimates base of 40,889, the population has grown by 3,521 (+8.6%), compared with +8.8% for Texas as a whole.
With 583 square miles of land, that is 76 people per square mile (29 per km²), placing Upshur County #1,197 nationally for density and #63 in Texas. The median county equivalent has 47 people per square mile; the Texas median is 22. Put another way, there are about 8.4 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 41,044 | 41,839 | 42,497 | 43,411 | 44,024 | 44,410 |
| Change | — | +795 | +658 | +914 | +613 | +386 |
U.S. Census Bureau, Vintage 2025 population estimates. Estimates are revised each year and are not decennial census counts. Density divides the whole population by the whole county’s land area, so it describes an average, not how settlement is distributed within the county. Population sources and methods.
Cities and towns in Upshur County
8 incorporated places lie at least partly in Upshur County. Together they are home to 11,807 people (26.6%); the other 32,603 (73.4%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Gilmer city, with 5,287 residents in the county. By land, Gladewater city is the largest at 11.6 mi² across all its counties. Among places with at least 1,000 residents in 2020, Ore City city grew fastest since then (+9.2%).
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Gilmer cityCounty seat | 5,287 | +9.2% | 3.79 |
| Gladewater cityAlso in 1 other county | 2,516 | +6.9% | 11.6 |
| Big Sandy town | 1,339 | +8.8% | 1.624 |
| Ore City city | 1,210 | +9.2% | 2.159 |
| East Mountain cityAlso in 1 other county | 972 | +7.8% | 2.115 |
| Union Grove city | 477 | +7% | 0.935 |
| Warren City cityAlso in 1 other county | 6 | 0% | 1.748 |
| Clarksville City cityAlso in 1 other county | 0 | — | 6.372 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Upshur County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Upshur County is an outlying county of the Longview, TX Metropolitan Statistical Area. Its 4 county equivalents have 297,315 residents on 2,680.6 square miles of land; Upshur County accounts for 21.7% of the land and 14.9% of the residents. By combined land it ranks #119 of 393 metropolitan areas, and #174 by population.
| County equivalent | Population 2025 | Land mi² |
|---|---|---|
| Gregg County | 126,095 | 273.4 |
| Harrison County | 71,956 | 900.1 |
| Rusk County | 54,854 | 924.2 |
| Upshur County | 44,410 | 583 |
ZIP codes
12 ZIP Code Tabulation Areas have land in Upshur County; 4 of them have most of their land inside the county, and the others mainly cover neighboring areas.
754517549475604756057564075644756457564775683756867575575765
ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Lighter codes have less than half of their land in this county. Post-office-box and single-address ZIP Codes have no tabulation area.
Counties bordering Upshur County
Upshur County shares a land border with 7 county equivalents. It has more land than 4 of them. The largest neighbor is Smith County (921.5 mi²) and the smallest is Camp County (195.8 mi²). Together with its neighbors, Upshur County forms a block of 4,152 mi² of land, of which it holds 14%.
| Bordering county equivalent | Land mi² | Size vs. Upshur | Compare |
|---|---|---|---|
| Smith County | 921.5 | 1.6× larger | Compare |
| Harrison County | 900.1 | 1.5× larger | Compare |
| Wood County | 645.3 | 1.1× larger | Compare |
| Marion County | 380.9 | 1.5× smaller | Compare |
| Gregg County | 273.4 | 2.1× smaller | Compare |
| Morris County | 252 | 2.3× smaller | Compare |
| Camp County | 195.8 | 3× smaller | Compare |
How big is Upshur County compared with U.S. states?
Upshur County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.8 times as much. Texas’s county land could hold about 448 areas the size of Upshur County.
Another way to picture it: the same land area would fill a square about 24.1 miles (38.9 km) on each side. Real county shapes are rarely square, so this is a scale reference rather than a width or driving distance.
State figures are the sums of each state’s county-equivalent land measurements in the same Census release, so states and counties are compared on the same basis. Published state totals can differ slightly because of rounding. Compare all states · Counties bigger than entire states.
What stands out about Upshur County?
Upshur County has more land than 1,535 of the other 3,221 county equivalents in the dataset.
A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.
Does including water change its rank?
Using land plus water places Upshur County at #1,767 nationally by total area, 80 places farther from the top than its land rank. Other county equivalents gain more area when their water measurements are included.
Its water share is 1.6%, compared with a national county-equivalent median of 1.2% — 0.5 percentage points higher. This describes the statistical geography’s land/water mix, not flood exposure or developable land.
Closest positions in the national land ranking
These entries sit immediately beside Upshur County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #1686 | Jackson County, Illinois | 583.6 | Compare |
| #1687 | Upshur County, Texas | 583 | This county |
| #1688 | Williamson County, Tennessee | 582.9 | Compare |
Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.
Representative coordinates
The Census internal point is 32.735349, -94.941184. It represents a location inside the geography; it is not necessarily the centroid or the address of a courthouse.
Source and precision
U.S. Census Bureau, 2026 Gazetteer Files, Counties. Original ALAND: 1,509,910,849 m²; AWATER: 24,878,112 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.
Common questions
How big is Upshur County?
Upshur County, Texas has 583 square miles (1,509.9 km²) of land and 9.605 square miles of water, for a total area of 592.6 square miles. It ranks #1687 of 3,222 U.S. county equivalents by land area.
Is Upshur County the largest county in Texas?
No. Upshur County ranks #232 of 254 in Texas by land area. The largest is Brewster County, with 6,183.8 square miles of land.
What counties border Upshur County?
Upshur County shares a land border with Camp County, Wood County, Gregg County, Smith County, Harrison County, Marion County, and Morris County.
What is the population of Upshur County?
The Census Bureau estimates Upshur County had 44,410 residents on July 1, 2025, ranking #1,124 of 3,222 county equivalents. That is 76 people per square mile of land.
What is the county seat of Upshur County?
The county seat of Upshur County is Gilmer.
What cities and towns are in Upshur County?
Upshur County has 8 incorporated places. The most populous five are Gilmer city, Gladewater city, Big Sandy town, Ore City city, and East Mountain city; 32,603 residents live outside any incorporated place.
Is Upshur County part of a metropolitan area?
Yes. It is an outlying county of the Longview, TX Metropolitan Statistical Area, which has 4 county equivalents and 297,315 residents.
How many ZIP codes are in Upshur County?
12 ZIP Code Tabulation Areas have land in Upshur County, and 4 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.
How does Upshur County compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 1.8 times as much land.
How many acres of land are in Upshur County?
The land measurement converts to approximately 373,107 acres. Including water, total area is approximately 379,254 acres. One square mile equals 640 acres.
Why might another source show a different area?
Check whether it reports land or total area, its Census vintage, and its rounding. Our guide explains how to reconcile county area figures.
Can this establish a property boundary?
No. Statistical measurements and generalized maps do not establish property lines. Consult the relevant local surveying or land-records authority.