County outline
Where McCulloch County is located
Area breakdown
Land accounts for 99.3% of McCulloch County’s measured area and water for 0.7%. Its combined area converts to 2,780.2 square kilometers or approximately 686,998 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 1,065.601 | 2,759.894 | 681,984.6 |
| Water | 7.833 | 20.287 | 5,013.1 |
| Total | 1,073.434 | 2,780.181 | 686,997.8 |
How McCulloch County compares
By original Census land area, McCulloch County ranks #55 of 254 in Texas and #608 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 1.173 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 McCulloch County
The Census Bureau estimates that 7,472 people lived in McCulloch County on July 1, 2025. That ranks #2,695 of 3,222 county equivalents nationally and #181 of 254 in Texas. Since the April 1, 2020 estimates base of 7,633, the population has declined by 161 (−2.1%), compared with +8.8% for Texas as a whole.
With 1,065.6 square miles of land, that is 7 people per square mile (2.7 per km²), placing McCulloch County #2,765 nationally for density and #181 in Texas. The median county equivalent has 47 people per square mile; the Texas median is 22. Put another way, there are about 91 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 7,592 | 7,535 | 7,505 | 7,510 | 7,475 | 7,472 |
| Change | — | −57 | −30 | +5 | −35 | −3 |
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 McCulloch County
2 incorporated places lie at least partly in McCulloch County. Together they are home to 5,102 people (68.3%); the other 2,370 (31.7%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Brady city, with 4,980 residents in the county.
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Brady cityCounty seat | 4,980 | −2.9% | 8.94 |
| Melvin town | 122 | −2.4% | 0.464 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside McCulloch County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
McCulloch 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
7 ZIP Code Tabulation Areas have land in McCulloch County; 5 of them have most of their land inside the county, and the others mainly cover neighboring areas.
76825768367685276858768717687276887
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 McCulloch County
McCulloch County shares a land border with 6 county equivalents. It has more land than 4 of them. The largest neighbor is Coleman County (1,263 mi²) and the smallest is Menard County (902 mi²). Together with its neighbors, McCulloch County forms a block of 7,223 mi² of land, of which it holds 14.8%.
| Bordering county equivalent | Land mi² | Size vs. McCulloch | Compare |
|---|---|---|---|
| Coleman County | 1,263 | 1.2× larger | Compare |
| San Saba County | 1,135.3 | 1.1× larger | Compare |
| Concho County | 983.8 | 1.1× smaller | Compare |
| Brown County | 944.5 | 1.1× smaller | Compare |
| Mason County | 928.8 | 1.1× smaller | Compare |
| Menard County | 902 | 1.2× smaller | Compare |
How big is McCulloch County compared with U.S. states?
McCulloch County has more land than 1 of the 50 states. It is about 1 times the land area of Rhode Island (1,033.9 mi²), while Delaware, the next larger state, has 1.8 times as much land (1,948.6 mi²). Texas’s county land could hold about 245 areas the size of McCulloch County.
Another way to picture it: the same land area would fill a square about 32.6 miles (52.5 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 McCulloch County?
McCulloch County has more land than 2,614 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 McCulloch County at #697 nationally by total area, 89 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 0.7%, compared with a national county-equivalent median of 1.2% — 0.4 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 McCulloch County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #607 | Gonzales County, Texas | 1,066.7 | Compare |
| #608 | McCulloch County, Texas | 1,065.6 | This county |
| #609 | Calcasieu Parish, Louisiana | 1,064.2 | 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 31.205477, -99.359856. 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: 2,759,893,527 m²; AWATER: 20,286,192 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 McCulloch County?
McCulloch County, Texas has 1,065.6 square miles (2,759.9 km²) of land and 7.833 square miles of water, for a total area of 1,073.4 square miles. It ranks #608 of 3,222 U.S. county equivalents by land area.
Is McCulloch County the largest county in Texas?
No. McCulloch County ranks #55 of 254 in Texas by land area. The largest is Brewster County, with 6,183.8 square miles of land.
What counties border McCulloch County?
McCulloch County shares a land border with San Saba County, Concho County, Coleman County, Mason County, Menard County, and Brown County.
What is the population of McCulloch County?
The Census Bureau estimates McCulloch County had 7,472 residents on July 1, 2025, ranking #2,695 of 3,222 county equivalents. That is 7 people per square mile of land.
What is the county seat of McCulloch County?
The county seat of McCulloch County is Brady.
What cities and towns are in McCulloch County?
McCulloch County has 2 incorporated places. The most populous are Brady city and Melvin town; 2,370 residents live outside any incorporated place.
Is McCulloch County part of a metropolitan area?
No. McCulloch County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.
How many ZIP codes are in McCulloch County?
7 ZIP Code Tabulation Areas have land in McCulloch County, and 5 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.
How does McCulloch 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 McCulloch County?
The land measurement converts to approximately 681,985 acres. Including water, total area is approximately 686,998 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.