County Maps US

Gillespie County, Texas

A county in Texas, ranked 99 of 254 by population.

CountyFIPS 48171

Within Texas
Gillespie County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks Fredericksburg, the county seat, located via the 2025 Census Gazetteer.

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Population
28,527
+1,759 (+6.6%) since 2020
Land area
1,058
square miles. A further 0.3% of the total area is water
Population density
27.0
people per square mile, computed rather than published
County seat
Fredericksburg
Seat of county government.
Established
1848
177 years ago
Largest city
Fredericksburg city
Population 11,893.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Gillespie County with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Gillespie County, Texas from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 800 by 508 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Gillespie County ranks

Position among the 254 counties of Texas, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn TexasNationally
Population28,52799th of 2541,492nd of 3,144
Land area1,058 sq mi57th of 254614th of 3,144
Population density27.0 per sq mi113th of 2542,012th of 3,144
Median household income$76,16246th of 254769th of 3,143

Full data for Gillespie County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population28,527Vintage 2025 Population Estimates
Population in 202026,768Vintage 2025 Population Estimates
2020 estimates base?26,746Vintage 2025 Population Estimates
Land area1,058 sq mi2025 Gazetteer Files
Water area3.5 sq mi2025 Gazetteer Files
Total area1,062 sq mi2025 Gazetteer Files
Population density?27.0 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$76,162American Community Survey 2020-2024 5-Year Estimates
Median home value$460,700American Community Survey 2020-2024 5-Year Estimates
Median age50.7American Community Survey 2020-2024 5-Year Estimates
Households11,513American Community Survey 2020-2024 5-Year Estimates
Housing units14,373American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
-130
249 births, 379 deaths
Net migration
+539
More people moved in than moved out.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 6 areas bordering Gillespie County

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Kerr CountyTexas33 mi54,037
Blanco CountyTexas25 mi13,581
Llano CountyTexas22 mi23,353
Mason CountyTexas20 mi3,990
Kendall CountyTexas20 mi53,289
Kimble CountyTexas15 mi4,438

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 254 counties of Texas

Open the interactive Texas county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.