Comal County area

Population and density of Comal County

The Census Bureau estimates that 209,166 people lived in Comal County on July 1, 2025. That ranks #348 of 3,222 county equivalents nationally and #28 of 254 in Texas. Since the April 1, 2020 estimates base of 161,449, the population has grown by 47,717 (+29.6%), compared with +8.8% for Texas as a whole.

With 559.5 square miles of land, that is 374 people per square mile (144 per km²), placing Comal County #433 nationally for density and #21 in Texas. The median county equivalent has 47 people per square mile; the Texas median is 22. Put another way, there are about 1.7 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 Comal County

8 incorporated places lie at least partly in Comal County. Together they are home to 110,866 people (53%); the other 98,300 (47%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is New Braunfels city, with 95,016 residents in the county (the city extends into 1 other county). By land, San Antonio city is the largest at 506.7 mi² across all its counties. Among places with at least 1,000 residents in 2020, New Braunfels city grew fastest since then (+37.3%).

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

Metropolitan area

Comal County is an outlying county of the San Antonio-New Braunfels, TX Metropolitan Statistical Area. Its 8 county equivalents have 2,813,140 residents on 7,313.3 square miles of land; Comal County accounts for 7.7% of the land and 7.4% of the residents. By combined land it ranks #24 of 393 metropolitan areas, and #24 by population. It belongs to the San Antonio-New Braunfels-Kerrville, TX Combined Statistical Area.

ZIP codes

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

7800678015780707810878130781327813378154781637826678606786237866678676

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 Comal County

Comal County shares a land border with 5 county equivalents. Each of them has more land than Comal County. The largest neighbor is Bexar County (1,240.5 mi²) and the smallest is Kendall County (662.5 mi²). Together with its neighbors, Comal County forms a block of 4,559.8 mi² of land, of which it holds 12.3%.

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

Comal County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.8 times as much. Texas’s county land could hold about 467 areas the size of Comal County.

Another way to picture it: the same land area would fill a square about 23.7 miles (38.1 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 Comal County?

Comal County has more land than 1,368 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 Comal County at #1,882 nationally by total area, 28 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 2.7%, compared with a national county-equivalent median of 1.2% — 1.5 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 Comal 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.