Coleman County area

Coleman County, Texas covers 1,281.4 square miles: 1,263 square miles of land and 18.5 square miles of water. Its county seat is Coleman. An estimated 7,915 people lived there in 2025.

Official Census measurements · GEOID 480832026 Gazetteer · retrieved September 27, 2026
Land area1,263 mi²
Water area18.5 mi²
Population (2025)7,915
People per mi²6.3

County outline

Generalized outline of Coleman 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 Coleman County is located

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

Area breakdown

Land accounts for 98.6% of Coleman County’s measured area and water for 1.4%. Its combined area converts to 3,318.9 square kilometers or approximately 820,117 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land1,262.9743,271.088808,303.4
Water18.45947.80911,813.8
Total1,281.4333,318.896820,117.1

How Coleman County compares

By original Census land area, Coleman County ranks #34 of 254 in Texas and #478 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 1.39 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 Coleman County

The Census Bureau estimates that 7,915 people lived in Coleman County on July 1, 2025. That ranks #2,655 of 3,222 county equivalents nationally and #177 of 254 in Texas. Since the April 1, 2020 estimates base of 7,686, the population has grown by 229 (+3%), compared with +8.8% for Texas as a whole.

With 1,263 square miles of land, that is 6.3 people per square mile (2.4 per km²), placing Coleman County #2,793 nationally for density and #186 in Texas. The median county equivalent has 47 people per square mile; the Texas median is 22. Put another way, there are about 102 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate7,6877,7167,8637,8737,9747,915
Change—+29+147+10+101−59

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 Coleman County

3 incorporated places lie at least partly in Coleman County. Together they are home to 5,156 people (65.1%); the other 2,759 (34.9%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Coleman city, with 3,991 residents in the county. Among places with at least 1,000 residents in 2020, Santa Anna town grew fastest since then (+2.9%).

Incorporated placePopulation 2025Since 2020Land mi²
Coleman cityCounty seat3,991+1.8%6.143
Santa Anna town1,043+2.9%1.994
Novice city122+1.7%0.481

Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Coleman County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.

Metropolitan area

Coleman 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

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

764437680176823768277682876834768457687376878768827688476888795107951979538

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 Coleman County

Coleman County shares a land border with 6 county equivalents. It has more land than every one of them. The largest neighbor is McCulloch County (1,065.6 mi²) and the smallest is Callahan County (899.4 mi²). Together with its neighbors, Coleman County forms a block of 7,122.8 mi² of land, of which it holds 17.7%.

Map of Coleman County and the 6 county equivalents that border it Brown County, Texas: 944.5 mi² landRunnels County, Texas: 1,051.1 mi² landMcCulloch County, Texas: 1,065.6 mi² landCallahan County, Texas: 899.4 mi² landConcho County, Texas: 983.8 mi² landTaylor County, Texas: 915.5 mi² land
Coleman 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. ColemanCompare
McCulloch County1,065.61.2× smallerCompare
Runnels County1,051.11.2× smallerCompare
Concho County983.81.3× smallerCompare
Brown County944.51.3× smallerCompare
Taylor County915.51.4× smallerCompare
Callahan County899.41.4× smallerCompare

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

Coleman 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 1.5 times as much land (1,948.6 mi²). Texas’s county land could hold about 207 areas the size of Coleman County.

Land area: Coleman County and the closest-sized states
Rhode Island1,033.9 mi²
Coleman County1,263 mi²
Delaware1,948.6 mi²

Another way to picture it: the same land area would fill a square about 35.5 miles (57.2 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 Coleman County?

Coleman County has more land than 2,744 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Coleman County1,263 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 Coleman County at #544 nationally by total area, 66 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 1.4%, compared with a national county-equivalent median of 1.2% — 0.3 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 Coleman County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#477Jefferson County, New York1,267.9Compare
#478Coleman County, Texas1,263This county
#479Otero County, Colorado1,261.9Compare

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 31.914205, -99.346622. 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: 3,271,088,239 m²; AWATER: 47,808,287 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 Coleman County?

Coleman County, Texas has 1,263 square miles (3,271.1 km²) of land and 18.5 square miles of water, for a total area of 1,281.4 square miles. It ranks #478 of 3,222 U.S. county equivalents by land area.

Is Coleman County the largest county in Texas?

No. Coleman County ranks #34 of 254 in Texas by land area. The largest is Brewster County, with 6,183.8 square miles of land.

What counties border Coleman County?

Coleman County shares a land border with Brown County, Runnels County, McCulloch County, Callahan County, Concho County, and Taylor County.

What is the population of Coleman County?

The Census Bureau estimates Coleman County had 7,915 residents on July 1, 2025, ranking #2,655 of 3,222 county equivalents. That is 6.3 people per square mile of land.

What is the county seat of Coleman County?

The county seat of Coleman County is Coleman.

What cities and towns are in Coleman County?

Coleman County has 3 incorporated places. The most populous are Coleman city, Santa Anna town, and Novice city; 2,759 residents live outside any incorporated place.

Is Coleman County part of a metropolitan area?

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

How many ZIP codes are in Coleman County?

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

How does Coleman 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 Coleman County?

The land measurement converts to approximately 808,303 acres. Including water, total area is approximately 820,117 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

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