Aransas County, Texas
Updated · Data: U.S. Census Bureau
Aransas County, Texas has its county seat in Rockport and FIPS code 48007. About 24,449 people live here, the 103rd most populated of the 254 Texas counties.
| County seat | Rockport |
|---|---|
| FIPS code | 48007 (Texas 48 + county 007) · all Texas FIPS codes |
| Population | 24,449 (103rd of 254) |
| Land area | 252.1 sq mi (249th largest; + 275.9 sq mi water) |
| People per sq mi | 97.0 |
| Time zone | Central time (America/Chicago) |
| Median home value | $236,800 |
| Median property tax paid | $2,401 a year (about 1.01% of the median home value: our calculation, not an official rate) |
| Official website | www.aransascountytx.gov |
What counties border Aransas County?
Aransas County shares a border with 4 counties:
What cities and towns are in Aransas County?
4 places with 1,000+ people have residents here; together they hold about 57% of the county's population. The rest live in smaller communities and rural areas.
| Place | Population | Residents in this county |
|---|---|---|
| Rockport | 10,449 | 100.0% |
| Aransas Pass | 8,807 | 13.0% (also in other counties) |
| Lamar (CDP) | 1,282 | 100.0% |
| Fulton | 1,002 | 100.0% |
CDP = census-designated place: a named community with no city government.
What ZIP codes are in Aransas County?
5 ZIP code areas with residents touch Aransas County; the ones marked * cross into another county.
Check an exact address with the address lookup, look up a ZIP code, or see how to confirm your county with official records.
Sources: Census TIGER/Line 2024 (boundary, area, neighbors); ACS 2019-2023 5-year (population, home value, taxes paid); Wikidata, CC0 (seat, website); timezone-boundary-builder (time zone). Data as of November 1, 2026. Not affiliated with any government agency.
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