Llano County, Texas

A county in Texas, ranked 107 of 254 by population.

CountyFIPS 48299

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

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Population
23,353
+2,022 (+9.5%) since 2020
Land area
934.1
square miles. A further 3.3% of the total area is water
Population density
25.0
people per square mile, computed rather than published
County seat
Llano
Seat of county government.
Established
1856
169 years ago
Largest city
Horseshoe Bay city
Population 4,295 for the whole place, which extends beyond this county.

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 Llano 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 Llano 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 676 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 Llano 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
Population23,353107th of 2541,676th of 3,144
Land area934.1 sq mi93rd of 254765th of 3,144
Population density25.0 per sq mi118th of 2542,067th of 3,144
Median household income$67,530104th of 2541,381st of 3,143

Full data for Llano County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population23,353Vintage 2025 Population Estimates
Population in 202021,331Vintage 2025 Population Estimates
2020 estimates base?21,282Vintage 2025 Population Estimates
Land area934.1 sq mi2025 Gazetteer Files
Water area31.8 sq mi2025 Gazetteer Files
Total area965.9 sq mi2025 Gazetteer Files
Population density?25.0 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$67,530American Community Survey 2020-2024 5-Year Estimates
Median home value$356,500American Community Survey 2020-2024 5-Year Estimates
Median age57.4American Community Survey 2020-2024 5-Year Estimates
Households10,765American Community Survey 2020-2024 5-Year Estimates
Housing units15,788American 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
-215
197 births, 412 deaths
Net migration
+262
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 5 areas bordering Llano 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
Burnet CountyTexas49 mi57,015
San Saba CountyTexas31 mi5,787
Mason CountyTexas29 mi3,990
Gillespie CountyTexas22 mi28,527
Blanco CountyTexas15 mi13,581

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.