County outline
Where Upton County is located
Area breakdown
Land accounts for 100% of Upton County’s measured area and water for 0%. Its combined area converts to 3,215.5 square kilometers or approximately 794,561 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 1,241.323 | 3,215.012 | 794,446.7 |
| Water | 0.179 | 0.464 | 114.6 |
| Total | 1,241.502 | 3,215.475 | 794,561.3 |
How Upton County compares
By original Census land area, Upton County ranks #36 of 254 in Texas and #490 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 1.366 times the Texas county-equivalent median of 908.7 square miles. It accounts for 0.5% of the combined county land area in the state.
See the complete Texas ranking · What counts as a county equivalent?
Population and density of Upton County
The Census Bureau estimates that 3,131 people lived in Upton County on July 1, 2025. That ranks #3,025 of 3,222 county equivalents nationally and #220 of 254 in Texas. Since the April 1, 2020 estimates base of 3,308, the population has declined by 177 (−5.4%), compared with +8.8% for Texas as a whole.
With 1,241.3 square miles of land, that is 2.5 people per square mile (0.97 per km²), placing Upton County #3,021 nationally for density and #223 in Texas. The median county equivalent has 47 people per square mile; the Texas median is 22. Put another way, there are about 254 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 3,301 | 3,237 | 3,153 | 3,126 | 3,110 | 3,131 |
| Change | — | −64 | −84 | −27 | −16 | +21 |
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 Upton County
2 incorporated places lie at least partly in Upton County. Together they are home to 2,476 people (79.1%); the other 655 (20.9%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is McCamey city, with 1,743 residents in the county. The county seat, Rankin city, has 733 residents.
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| McCamey city | 1,743 | −5.2% | 2.025 |
| Rankin cityCounty seat | 733 | −5.9% | 1.055 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Upton County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Upton County is not part of any metropolitan or micropolitan statistical area in the Office of Management and Budget’s July 2023 delineation; 1,306 other county equivalents are also outside one. These areas are built around an urban core of at least 10,000 people plus the counties tied to it by commuting, so counties outside them are generally rural.
ZIP codes
4 ZIP Code Tabulation Areas have land in Upton County; 3 of them have most of their land inside the county, and the others mainly cover neighboring areas.
79706797527975579778
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 Upton County
Upton County shares a land border with 5 county equivalents. It has more land than 4 of them. The largest neighbor is Crockett County (2,807.3 mi²) and the smallest is Crane County (785.1 mi²). Together with its neighbors, Upton County forms a block of 7,807.3 mi² of land, of which it holds 15.9%.
| Bordering county equivalent | Land mi² | Size vs. Upton | Compare |
|---|---|---|---|
| Crockett County | 2,807.3 | 2.3× larger | Compare |
| Reagan County | 1,175.3 | 1.1× smaller | Compare |
| Midland County | 900.4 | 1.4× smaller | Compare |
| Ector County | 897.9 | 1.4× smaller | Compare |
| Crane County | 785.1 | 1.6× smaller | Compare |
How big is Upton County compared with U.S. states?
Upton County has more land than 1 of the 50 states. It is about 1.2 times the land area of Rhode Island (1,033.9 mi²), while Delaware, the next larger state, has 1.6 times as much land (1,948.6 mi²). Texas’s county land could hold about 210 areas the size of Upton County.
Another way to picture it: the same land area would fill a square about 35.2 miles (56.7 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 Upton County?
Upton County has more land than 2,732 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 Upton County at #566 nationally by total area, 76 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 0%, compared with a national county-equivalent median of 1.2% — 1.2 percentage points lower. 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 Upton County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #489 | Franklin County, Washington | 1,241.6 | Compare |
| #490 | Upton County, Texas | 1,241.3 | This county |
| #491 | Bexar County, Texas | 1,240.5 | 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 31.353688, -102.041592. 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: 3,215,010,579 m²; AWATER: 464,309 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 Upton County?
Upton County, Texas has 1,241.3 square miles (3,215 km²) of land and 0.179 square miles of water, for a total area of 1,241.5 square miles. It ranks #490 of 3,222 U.S. county equivalents by land area.
Is Upton County the largest county in Texas?
No. Upton County ranks #36 of 254 in Texas by land area. The largest is Brewster County, with 6,183.8 square miles of land.
What counties border Upton County?
Upton County shares a land border with Reagan County, Crane County, Crockett County, Midland County, and Ector County.
What is the population of Upton County?
The Census Bureau estimates Upton County had 3,131 residents on July 1, 2025, ranking #3,025 of 3,222 county equivalents. That is 2.5 people per square mile of land.
What is the county seat of Upton County?
The county seat of Upton County is Rankin.
What cities and towns are in Upton County?
Upton County has 2 incorporated places. The most populous are McCamey city and Rankin city; 655 residents live outside any incorporated place.
Is Upton County part of a metropolitan area?
No. Upton County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.
How many ZIP codes are in Upton County?
4 ZIP Code Tabulation Areas have land in Upton County, and 3 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.
How does Upton County compare with U.S. states?
It has more land than 1 of the 50 states, including Rhode Island (1,033.9 square miles of land).
How many acres of land are in Upton County?
The land measurement converts to approximately 794,447 acres. Including water, total area is approximately 794,561 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.