Kleberg County area

Population and density of Kleberg County

The Census Bureau estimates that 30,315 people lived in Kleberg County on July 1, 2025. That ranks #1,477 of 3,222 county equivalents nationally and #96 of 254 in Texas. Since the April 1, 2020 estimates base of 31,043, the population has declined by 728 (−2.3%), compared with +8.8% for Texas as a whole.

With 881.3 square miles of land, that is 34 people per square mile (13 per km²), placing Kleberg County #1,884 nationally for density and #99 in Texas. The median county equivalent has 47 people per square mile; the Texas median is 22. Put another way, there are about 19 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 Kleberg County

2 incorporated places lie at least partly in Kleberg County. Together they are home to 24,688 people (81.4%); the other 5,627 (18.6%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Kingsville city, with 24,687 residents in the county. By land, Corpus Christi city is the largest at 167.7 mi² across all its counties.

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

Metropolitan area

Kleberg County is a central county of the Kingsville, TX Micropolitan Statistical Area. Kleberg County is the area’s only county equivalent, so the micro area has the same 881.3 square miles of land. By combined land it ranks #224 of 542 micropolitan areas, and #434 by population. It belongs to the Corpus Christi-Kingsville-Alice, TX Combined Statistical Area.

ZIP codes

4 ZIP Code Tabulation Areas have land in Kleberg County; 3 of them have most of their land inside the county, and the others mainly cover neighboring areas.

78355783637837978418

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 Kleberg County

Kleberg County shares a land border with 4 county equivalents. It has more land than 2 of them. The largest neighbor is Kenedy County (1,458.6 mi²) and the smallest is Nueces County (839.4 mi²). Together with its neighbors, Kleberg County forms a block of 4,987.8 mi² of land, of which it holds 17.7%.

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

Kleberg 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 296 areas the size of Kleberg County.

Another way to picture it: the same land area would fill a square about 29.7 miles (47.8 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 Kleberg County?

Kleberg County has more land than 2,315 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 Kleberg County at #675 nationally by total area, 232 places closer to the top than its land rank. The water assigned to this geography moves it ahead of some county equivalents with more land.

Its water share is 19.2%, compared with a national county-equivalent median of 1.2% — 18 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 Kleberg 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.