County outline
Where Gray County is located
Area breakdown
Land accounts for 99.6% of Gray County’s measured area and water for 0.4%. Its combined area converts to 2,407 square kilometers or approximately 594,773 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 925.974 | 2,398.262 | 592,623.4 |
| Water | 3.359 | 8.7 | 2,149.8 |
| Total | 929.333 | 2,406.961 | 594,773.1 |
How Gray County compares
By original Census land area, Gray County ranks #102 of 254 in Texas and #784 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 1.019 times the Texas county-equivalent median of 908.7 square miles. It accounts for 0.4% of the combined county land area in the state.
See the complete Texas ranking · What counts as a county equivalent?
Population and density of Gray County
The Census Bureau estimates that 20,919 people lived in Gray County on July 1, 2025. That ranks #1,837 of 3,222 county equivalents nationally and #116 of 254 in Texas. Since the April 1, 2020 estimates base of 21,226, the population has declined by 307 (−1.4%), compared with +8.8% for Texas as a whole.
With 926 square miles of land, that is 23 people per square mile (8.7 per km²), placing Gray County #2,220 nationally for density and #124 in Texas. The median county equivalent has 47 people per square mile; the Texas median is 22. Put another way, there are about 28 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 21,197 | 21,118 | 20,951 | 20,958 | 20,931 | 20,919 |
| Change | — | −79 | −167 | +7 | −27 | −12 |
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 Gray County
3 incorporated places lie at least partly in Gray County. Together they are home to 17,474 people (83.5%); the other 3,445 (16.5%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Pampa city, with 16,414 residents in the county.
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Pampa cityCounty seat | 16,414 | −2.8% | 9.02 |
| McLean town | 634 | −3.9% | 1.158 |
| Lefors town | 426 | +0.7% | 0.39 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Gray County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Gray County is a central county of the Pampa, TX Micropolitan Statistical Area. Its 2 county equivalents have 21,786 residents on 1,850 square miles of land; Gray County accounts for 50.1% of the land and 96% of the residents. By combined land it ranks #86 of 542 micropolitan areas, and #501 by population.
| County equivalent | Population 2025 | Land mi² |
|---|---|---|
| Gray County | 20,919 | 926 |
| Roberts County | 867 | 924.1 |
ZIP codes
9 ZIP Code Tabulation Areas have land in Gray County; 4 of them have most of their land inside the county, and the others mainly cover neighboring areas.
790027903979054790577905979061790657906679097
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 Gray County
Gray County shares a land border with 4 county equivalents. It has more land than 3 of them. The largest neighbor is Donley County (927 mi²) and the smallest is Wheeler County (914.5 mi²). Together with its neighbors, Gray County forms a block of 4,611.8 mi² of land, of which it holds 20.1%.
| Bordering county equivalent | Land mi² | Size vs. Gray | Compare |
|---|---|---|---|
| Donley County | 927 | about the same | Compare |
| Roberts County | 924.1 | about the same | Compare |
| Carson County | 920.2 | about the same | Compare |
| Wheeler County | 914.5 | about the same | Compare |
How big is Gray County compared with U.S. states?
Gray County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.1 times as much. Texas’s county land could hold about 282 areas the size of Gray County.
Another way to picture it: the same land area would fill a square about 30.4 miles (49 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 Gray County?
Gray County has more land than 2,438 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 Gray County at #884 nationally by total area, 100 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 0.4%, compared with a national county-equivalent median of 1.2% — 0.8 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 Gray County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #783 | Hubbard County, Minnesota | 926 | Compare |
| #784 | Gray County, Texas | 926 | This county |
| #785 | Ashley County, Arkansas | 925.5 | 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 35.402542, -100.812374. 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: 2,398,261,660 m²; AWATER: 8,700,790 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 Gray County?
Gray County, Texas has 926 square miles (2,398.3 km²) of land and 3.359 square miles of water, for a total area of 929.3 square miles. It ranks #784 of 3,222 U.S. county equivalents by land area.
Is Gray County the largest county in Texas?
No. Gray County ranks #102 of 254 in Texas by land area. The largest is Brewster County, with 6,183.8 square miles of land.
What counties border Gray County?
Gray County shares a land border with Donley County, Carson County, Roberts County, and Wheeler County.
What is the population of Gray County?
The Census Bureau estimates Gray County had 20,919 residents on July 1, 2025, ranking #1,837 of 3,222 county equivalents. That is 23 people per square mile of land.
What is the county seat of Gray County?
The county seat of Gray County is Pampa.
What cities and towns are in Gray County?
Gray County has 3 incorporated places. The most populous are Pampa city, McLean town, and Lefors town; 3,445 residents live outside any incorporated place.
Is Gray County part of a metropolitan area?
Yes. It is a central county of the Pampa, TX Micropolitan Statistical Area, which has 2 county equivalents and 21,786 residents.
How many ZIP codes are in Gray County?
9 ZIP Code Tabulation Areas have land in Gray 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 Gray County compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 1.1 times as much land.
How many acres of land are in Gray County?
The land measurement converts to approximately 592,623 acres. Including water, total area is approximately 594,773 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.