Blanco County, Texas

Blanco County, Texas, has 13,581 residents (July 2025 estimate). Its county seat is Johnson City. It uses Central Time and covers 709 sq mi (1,837 km²) of land.

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Blanco County in Texas
Gillespie CountyHays CountyBlancoJohnson CityRound Mountain
Blanco County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
13,581
Land area
709 sq mi (1,837 km²)
County seat or government
Johnson City
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$92,425 ± $6,033
Median home value
$483,500 ± $58,411
Median rent, with utilities
$1,017 ± $127
Homes lived in by their owners
76.2% ± 2.9 points
County type
County
Metro or micro area
Outside any metro or micro areaNext to: Fredericksburg, TX micro area, Austin-Round Rock-San Marcos, TX metro area, and San Antonio-New Braunfels, TX metro area
Water area
4.17 sq mi (10.8 km²)
State
Texas
County code (FIPS)
48031
Coordinates (central point)
30.266203, -98.399332

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Blanco County

Time zoneLocal time and UTC offsetNext clock change
Central TimeAmerica/ChicagoUTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 7862022,860 people
  2. 7807020,200 people
  3. 7867615,822 people
  4. 7866912,592 people
  5. 786067,272 people
  6. 786364,134 people
  7. 78663503 people
  8. 7863592 people

8 ZIP Code areas overlap Blanco County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

Blanco County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

School districts in Blanco County, largest first

  1. Fredericksburg Independent School District24,287 people
  2. Blanco Independent School District9,056 people
  3. Johnson City Independent School District5,887 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Blanco, Texas (city)2,175 people
  2. Johnson City, Texas (city)1,921 people
  3. Round Mountain, Texas (town)81 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Hays County, Texas26 mi southeast
  2. Kendall County, Texas29 mi southwest
  3. Comal County, Texas32 mi south
  4. Gillespie County, Texas33 mi west
  5. Llano County, Texas35 mi northwest
  6. Burnet County, Texas38 mi north
  7. Travis County, Texas42 mi east

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.