Borden County area

Borden County, Texas covers 906.1 square miles: 897.4 square miles of land and 8.609 square miles of water. Its county seat is Gail. An estimated 567 people lived there in 2025.

Official Census measurements · GEOID 480332026 Gazetteer · retrieved September 27, 2026
Land area897.4 mi²
Water area8.609 mi²
Population (2025)567
People per mi²0.63

County outline

Generalized outline of Borden County, Texas
2025 Census cartographic boundary, fitted to this frame. County maps are not at a common scale. The 2026 area measurements below come from the separate Gazetteer release. Map source and limitations.

Where Borden County is located

Borden County highlighted on a map of all U.S. county equivalents. About the maps

Area breakdown

Land accounts for 99% of Borden County’s measured area and water for 1%. Its combined area converts to 2,346.7 square kilometers or approximately 579,873 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land897.4432,324.367574,363.5
Water8.60922.2975,509.8
Total906.0522,346.664579,873.3

How Borden County compares

By original Census land area, Borden County ranks #153 of 254 in Texas and #869 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.988 times the Texas county-equivalent median of 908.7 square miles. It accounts for 0.3% of the combined county land area in the state.

See the complete Texas ranking · What counts as a county equivalent?

Population and density of Borden County

The Census Bureau estimates that 567 people lived in Borden County on July 1, 2025. That ranks #3,212 of 3,222 county equivalents nationally and #250 of 254 in Texas. Since the April 1, 2020 estimates base of 629, the population has declined by 62 (−9.9%), compared with +8.8% for Texas as a whole.

With 897.4 square miles of land, that is 0.63 people per square mile (0.24 per km²), placing Borden County #3,187 nationally for density and #248 in Texas. The median county equivalent has 47 people per square mile; the Texas median is 22. Put another way, there are about 1,013 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate643618582573560567
Change—−25−36−9−13+7

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 Borden County

Borden County has no incorporated cities, towns or villages. All 567 of its residents live in unincorporated communities, which the Census Bureau describes as census-designated places rather than municipalities.

Metropolitan area

Borden 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

9 ZIP Code Tabulation Areas have land in Borden County; 2 of them have most of their land inside the county, and the others mainly cover neighboring areas.

793317935179511795177952779549797137972079738

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 Borden County

Borden County shares a land border with 5 county equivalents. It has more land than 2 of them. The largest neighbor is Scurry County (905.4 mi²) and the smallest is Lynn County (891.9 mi²). Together with its neighbors, Borden County forms a block of 5,389.3 mi² of land, of which it holds 16.7%.

Map of Borden County and the 5 county equivalents that border it Dawson County, Texas: 900.3 mi² landScurry County, Texas: 905.4 mi² landHoward County, Texas: 900.8 mi² landGarza County, Texas: 893.4 mi² landLynn County, Texas: 891.9 mi² land
Borden County (dark) and its bordering county equivalents. Select a neighbor to open its profile. Drawn from the 2025 Census cartographic boundaries in an equal-area projection. How borders are determined.
Bordering county equivalentLand mi²Size vs. BordenCompare
Scurry County905.4about the sameCompare
Howard County900.8about the sameCompare
Dawson County900.3about the sameCompare
Garza County893.4about the sameCompare
Lynn County891.9about the sameCompare

How big is Borden County compared with U.S. states?

Borden County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.2 times as much. Texas’s county land could hold about 291 areas the size of Borden County.

Land area: Borden County and the closest-sized states
Borden County897.4 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 30 miles (48.2 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 Borden County?

Borden County has more land than 2,353 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Borden County897.4 mi²
Texas median908.7 mi²
National median604.5 mi²

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 Borden County at #946 nationally by total area, 77 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%, compared with a national county-equivalent median of 1.2% — 0.2 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 Borden County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#868Ector County, Texas897.9Compare
#869Borden County, Texas897.4This county
#870Stephens County, Texas896.7Compare

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 32.738590, -101.439199. 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: 2,324,366,065 m²; AWATER: 22,297,606 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.

Download the official county source ZIP ↗ · Methodology

Common questions

How big is Borden County?

Borden County, Texas has 897.4 square miles (2,324.4 km²) of land and 8.609 square miles of water, for a total area of 906.1 square miles. It ranks #869 of 3,222 U.S. county equivalents by land area.

Is Borden County the largest county in Texas?

No. Borden County ranks #153 of 254 in Texas by land area. The largest is Brewster County, with 6,183.8 square miles of land.

What counties border Borden County?

Borden County shares a land border with Dawson County, Scurry County, Howard County, Garza County, and Lynn County.

What is the population of Borden County?

The Census Bureau estimates Borden County had 567 residents on July 1, 2025, ranking #3,212 of 3,222 county equivalents. That is 0.63 people per square mile of land.

What is the county seat of Borden County?

The county seat of Borden County is Gail.

Is Borden County part of a metropolitan area?

No. Borden County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.

How many ZIP codes are in Borden County?

9 ZIP Code Tabulation Areas have land in Borden County, and 2 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

How does Borden County compare with U.S. states?

It has less land than every state. Rhode Island, the smallest, has 1.2 times as much land.

How many acres of land are in Borden County?

The land measurement converts to approximately 574,364 acres. Including water, total area is approximately 579,873 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.

Cite this county

Download the complete CSV or JSON dataset