Lampasas County area

Population and density of Lampasas County

The Census Bureau estimates that 23,657 people lived in Lampasas County on July 1, 2025. That ranks #1,715 of 3,222 county equivalents nationally and #106 of 254 in Texas. Since the April 1, 2020 estimates base of 21,629, the population has grown by 2,028 (+9.4%), compared with +8.8% for Texas as a whole.

With 712.5 square miles of land, that is 33 people per square mile (13 per km²), placing Lampasas County #1,911 nationally for density and #103 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 Lampasas County

4 incorporated places lie at least partly in Lampasas County. Together they are home to 11,162 people (47.2%); the other 12,495 (52.8%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Lampasas city, with 7,988 residents in the county. By land, Copperas Cove city is the largest at 18 mi² across all its counties. Among places with at least 1,000 residents in 2020, Kempner city grew fastest since then (+12.8%).

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

Metropolitan area

Lampasas County is an outlying county of the Killeen-Temple, TX Metropolitan Statistical Area. Its 3 county equivalents have 511,497 residents on 2,818.6 square miles of land; Lampasas County accounts for 25.3% of the land and 4.6% of the residents. By combined land it ranks #105 of 393 metropolitan areas, and #111 by population.

ZIP codes

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

765227652576539765507684476853

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 Lampasas County

Lampasas County shares a land border with 6 county equivalents. Each of them has more land than Lampasas County. The largest neighbor is San Saba County (1,135.3 mi²) and the smallest is Mills County (748.2 mi²). Together with its neighbors, Lampasas County forms a block of 6,532.9 mi² of land, of which it holds 10.9%.

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

Lampasas County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.5 times as much. Texas’s county land could hold about 367 areas the size of Lampasas County.

Another way to picture it: the same land area would fill a square about 26.7 miles (43 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 Lampasas County?

Lampasas County has more land than 1,938 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 Lampasas County at #1,406 nationally by total area, 122 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 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 Lampasas 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.