Webb County area

Population and density of Webb County

The Census Bureau estimates that 281,224 people lived in Webb County on July 1, 2025. That ranks #262 of 3,222 county equivalents nationally and #20 of 254 in Texas. Since the April 1, 2020 estimates base of 267,114, the population has grown by 14,110 (+5.3%), compared with +8.8% for Texas as a whole.

With 3,361.5 square miles of land, that is 84 people per square mile (32 per km²), placing Webb County #1,120 nationally for density and #55 in Texas. The median county equivalent has 47 people per square mile; the Texas median is 22. Put another way, there are about 7.6 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 Webb County

3 incorporated places lie at least partly in Webb County. Together they are home to 276,495 people (98.3%); the other 4,729 (1.7%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Laredo city, with 269,515 residents in the county. Among places with at least 1,000 residents in 2020, Laredo city grew fastest since then (+5.6%).

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

Metropolitan area

Webb County is a central county of the Laredo, TX Metropolitan Statistical Area. Webb County is the area’s only county equivalent, so the metro area has the same 3,361.5 square miles of land. By combined land it ranks #88 of 393 metropolitan areas, and #182 by population.

ZIP codes

10 ZIP Code Tabulation Areas have land in Webb County, and each lies mostly inside the county.

78019780407804178043780447804578046783447836978371

ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Post-office-box and single-address ZIP Codes have no tabulation area.

Counties bordering Webb County

Webb County shares a land border with 6 county equivalents. It has more land than every one of them. The largest neighbor is Duval County (1,793.5 mi²) and the smallest is Zapata County (998.4 mi²). Together with its neighbors, Webb County forms a block of 11,384.6 mi² of land, of which it holds 29.5%.

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

Webb County has more land than 2 of the 50 states. It is about 1.7 times the land area of Delaware (1,948.6 mi²), while Connecticut, the next larger state, has 1.4 times as much land (4,842.5 mi²). Texas’s county land could hold about 78 areas the size of Webb County.

Another way to picture it: the same land area would fill a square about 58 miles (93.3 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 Webb County?

Webb County has more land than 3,073 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 Webb County at #160 nationally by total area, 11 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 Webb 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.