Martin County area

Population and density of Martin County

The Census Bureau estimates that 5,284 people lived in Martin County on July 1, 2025. That ranks #2,873 of 3,222 county equivalents nationally and #197 of 254 in Texas. Since the April 1, 2020 estimates base of 5,246, the population has grown by 38 (+0.7%), compared with +8.8% for Texas as a whole.

With 915 square miles of land, that is 5.8 people per square mile (2.2 per km²), placing Martin County #2,815 nationally for density and #191 in Texas. The median county equivalent has 47 people per square mile; the Texas median is 22. Put another way, there are about 111 acres of land per resident.

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 Martin County

3 incorporated places lie at least partly in Martin County. Together they are home to 2,852 people (54%); the other 2,432 (46%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Stanton city, with 2,694 residents in the county. By land, Midland city is the largest at 76.2 mi² across all its counties.

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

Metropolitan area

Martin County is an outlying county of the Midland, TX Metropolitan Statistical Area. Its 2 county equivalents have 193,139 residents on 1,815.3 square miles of land; Martin County accounts for 50.4% of the land and 2.7% of the residents. By combined land it ranks #173 of 393 metropolitan areas, and #243 by population. It belongs to the Midland-Odessa-Andrews, TX Combined Statistical Area.

ZIP codes

8 ZIP Code Tabulation Areas have land in Martin County; 4 of them have most of their land inside the county, and the others mainly cover neighboring areas.

7933179705797137972079748797497978279783

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 Martin County

Martin County shares a land border with 6 county equivalents. It has more land than 4 of them. The largest neighbor is Gaines County (1,502.4 mi²) and the smallest is Glasscock County (900.2 mi²). Together with its neighbors, Martin County forms a block of 7,519.7 mi² of land, of which it holds 12.2%.

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

Martin 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 286 areas the size of Martin County.

Another way to picture it: the same land area would fill a square about 30.2 miles (48.7 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 Martin County?

Martin County has more land than 2,416 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 Martin County at #913 nationally by total area, 107 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 0.1%, compared with a national county-equivalent median of 1.2% — 1.1 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 Martin County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

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.