Gillespie County, Texas
Updated · Data: U.S. Census Bureau
Gillespie County, Texas has its county seat in Fredericksburg and FIPS code 48171. About 27,202 people live here, the 99th most populated of the 254 Texas counties.
| County seat | Fredericksburg |
|---|---|
| FIPS code | 48171 (Texas 48 + county 171) · all Texas FIPS codes |
| Population | 27,202 (99th of 254) |
| Land area | 1,058.2 sq mi (57th largest; + 3.5 sq mi water) |
| People per sq mi | 25.7 |
| Time zone | Central time (America/Chicago) |
| Median home value | $432,300 |
| Median property tax paid | $4,404 a year (about 1.02% of the median home value: our calculation, not an official rate) |
| Official website | www.gillespiecounty.gov |
What counties border Gillespie County?
Gillespie County shares a border with 6 counties:
What cities and towns are in Gillespie County?
2 places with 1,000+ people have residents here; together they hold about 46% of the county's population. The rest live in smaller communities and rural areas.
| Place | Population | Residents in this county |
|---|---|---|
| Fredericksburg | 11,254 | 100.0% |
| Harper (CDP) | 1,199 | 100.0% |
CDP = census-designated place: a named community with no city government.
What ZIP codes are in Gillespie County?
7 ZIP code areas with residents touch Gillespie 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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