Blanco County, Texas

Blanco County (Spanish: "white", /ˈblæŋk/BLANG-koh) is a United States county located in the U.S. state of Texas. It is located in Central Texas and its county seat is Johnson City.[2]

As of the 2020 census, the population was 11,374.[3][4]

The county is named for the Blanco River that traverses the county.

History

Demographics

Historical population
CensusPop.Note
18601,281
18701,187−7.3%
18803,583201.9%
18904,64929.8%
19004,7031.2%
19104,311−8.3%
19204,063−5.8%
19303,842−5.4%
19404,26411.0%
19503,780−11.4%
19603,657−3.3%
19703,567−2.5%
19804,68131.2%
19905,97227.6%
20008,41841.0%
201010,49724.7%
202011,3748.4%
2025 (est.)13,581[18]Increase19.4%
U.S. Decennial Census[19]1850–2010[20] 2010[21] 2020[22]

2020 census

As of the 2020 census, the county had a population of 11,374. The median age was 52.6 years. 17.2% of residents were under the age of 18 and 28.3% of residents were 65 years of age or older. For every 100 females there were 97.4 males, and for every 100 females age 18 and over there were 95.4 males age 18 and over.[23][24]

The racial makeup of the county was 81.4% White, 0.6% Black or African American, 0.8% American Indian and Alaska Native, 0.4% Asian, 0.1% Native Hawaiian and Pacific Islander, 6.6% from some other race, and 10.2% from two or more races. Hispanic or Latino residents of any race comprised 18.4% of the population.[24]

<0.1% of residents lived in urban areas, while 100.0% lived in rural areas.[25]

There were 4,787 households in the county, of which 23.1% had children under the age of 18 living in them. Of all households, 56.6% were married-couple households, 17.1% were households with a male householder and no spouse or partner present, and 22.5% were households with a female householder and no spouse or partner present. About 26.9% of all households were made up of individuals and 15.2% had someone living alone who was 65 years of age or older.[23]

There were 6,056 housing units, of which 21.0% were vacant. Among occupied housing units, 78.8% were owner-occupied and 21.2% were renter-occupied. The homeowner vacancy rate was 1.8% and the rental vacancy rate was 9.3%.[23]

Racial and ethnic composition

Blanco County, Texas – Racial and ethnic compositionNote: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.
Race / Ethnicity (NH = Non-Hispanic)Pop 1980[26]Pop 1990[27]Pop 2000[28]Pop 2010[21]Pop 2020[22]% 1980% 1990% 2000% 2010% 2020
White alone (NH)4,1595,0386,9128,3368,70788.85%84.36%82.11%79.41%76.55%
Black or African American alone (NH)77566062681.64%0.94%0.71%0.59%0.60%
Native American or Alaska Native alone (NH)3172747360.06%0.28%0.32%0.45%0.32%
Asian alone (NH)2191549380.04%0.32%0.18%0.47%0.33%
Native Hawaiian or Pacific Islander alone (NH)x [29]x [30]140xx0.01%0.04%0.00%
Other race alone (NH)82105700.17%0.03%0.12%0.05%0.62%
Mixed race or Multiracial (NH)x [31]x [32]10385363xx1.22%0.81%3.19%
Hispanic or Latino (any race)4328401,2901,9092,0929.23%14.07%15.32%18.19%18.39%
Total4,6815,9728,41810,49711,374 100.00%100.00%100.00%100.00%100.00%

2000 census

As of the 2000 census, there were 8,418 people, 3,303 households, and 2,391 families residing in the county. The population density was 12 people per square mile (4.6 people/km2). There were 4,031 housing units at an average density of 6 units per square mile (2.3/km2). The racial makeup of the county was 90.97% White, 0.74% Black or African American, 0.59% Native American, 0.19% Asian, 0.01% Pacific Islander, 5.88% from other races, and 1.62% from two or more races. 15.32% of the population were Hispanic or Latino of any race.[33]

There were 3,303 households, out of which 30.40% had children under the age of 18 living with them, 61.50% were married couples living together, 7.20% had a female householder with no husband present, and 27.60% were non-families. 24.00% of all households were made up of individuals, and 10.80% had someone living alone who was 65 years of age or older. The average household size was 2.50 and the average family size was 2.96.

In the county, the population was spread out, with 24.40% under the age of 18, 6.20% from 18 to 24, 25.60% from 25 to 44, 27.10% from 45 to 64, and 16.70% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 97.70 males. For every 100 females age 18 and over, there were 94.90 males.

The median income for a household in the county was $39,369, and the median income for a family was $45,382. Males had a median income of $31,717 versus $21,879 for females. The per capita income for the county was $19,721. About 8.10% of families and 11.20% of the population were below the poverty line, including 14.20% of those under age 18 and 9.80% of those age 65 or over.

Geography

According to the U.S. Census Bureau, the county has a total area of 713 square miles (1,850 km2), of which 709 square miles (1,840 km2) is land and 4.2 square miles (11 km2) (0.6%) is water.[34]

Blanco County is located in the Hill Country of central Texas, west of Austin and north of San Antonio. Two significant rivers, the Blanco and the Pedernales, flow through the county.

Major highways

Adjacent counties

National protected area

Texas Parklands

Politics

United States presidential election results for Blanco County, Texas[35]
YearRepublicanDemocraticThird party(ies)
No.%No.%No.%
191212619.30%44868.61%7912.10%
191623526.55%62870.96%222.49%
192037822.13%42624.94%90452.93%
192431729.41%58654.36%17516.23%
192861553.25%53946.67%10.09%
19321279.29%1,23390.20%70.51%
193631322.81%1,05676.97%30.22%
194052033.18%1,04266.50%50.32%
194453335.25%84655.95%1338.80%
194849731.68%1,00363.93%694.40%
195291956.80%69743.08%20.12%
195679656.14%61543.37%70.49%
196055739.96%83059.54%70.50%
196429019.49%1,19780.44%10.07%
196861442.14%62042.55%22315.31%
19721,21571.68%46027.14%201.18%
19761,01551.89%92347.19%180.92%
19801,43462.32%79434.51%733.17%
19841,95773.43%70026.27%80.30%
19881,68061.79%1,01237.22%270.99%
19921,37044.07%89128.66%84827.28%
19961,91957.87%1,02831.00%36911.13%
20002,77773.72%81121.53%1794.75%
20043,27771.49%1,26727.64%400.87%
20083,41869.20%1,46729.70%541.09%
20123,63873.16%1,22024.53%1152.31%
20164,21274.09%1,24421.88%2294.03%
20205,44372.97%1,91125.62%1051.41%
20246,44775.64%1,97323.15%1031.21%
United States Senate election results for Blanco County, Texas1[36]
YearRepublicanDemocraticThird party(ies)
No.%No.%No.%
20246,24373.47%2,07124.37%1832.15%
United States Senate election results for Blanco County, Texas2[37]
YearRepublicanDemocraticThird party(ies)
No.%No.%No.%
20205,45773.66%1,81624.51%1351.82%
Texas Gubernatorial election results for Blanco County
YearRepublicanDemocraticThird party(ies)
No.%No.%No.%
20225,14275.91%1,52222.47%1101.62%

Communities

Cities

Town

Unincorporated communities

Education

School districts:[38]

Austin Community College is the designated community college for the county.[39]

See also

References

  1. "County Population Totals and Components of Change: 2020-2025". United States Census Bureau. Retrieved April 16, 2026.
  2. "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
  3. "U.S. Census Bureau QuickFacts: Blanco County, Texas". United States Census Bureau. Retrieved January 31, 2022.
  4. "Blanco County, Texas". United States Census Bureau. Retrieved January 30, 2022.
  5. 1234567Ogilvie, Mary H; Leffler, John (June 12, 2010). "Blanco County". Handbook of Texas Online. Texas State Historical Association. Retrieved November 27, 2010.
  6. "Comanche Indian Treaty". William Nienke, Sam Morrow. Archived from the original on July 18, 2011. Retrieved November 27, 2010.
  7. Kelley, Dayton (June 15, 2010). "Samuel Ealy Johnson Sr". Handbook of Texas Online. Texas State Historical Association. Retrieved November 27, 2010.
  8. "Round Mountain (Blanco Co)". Handbook of Texas Online. Texas State Historical Association. June 15, 2010. Retrieved November 27, 2010.
  9. Rossignol, Steve. "Locating the Deer Creek Fight in Blanco County".{{cite journal}}: Cite journal requires |journal= (help)
  10. "Home | UTA Libraries". library.uta.edu. Retrieved August 9, 2025.
  11. "Blanco County Courthouse". Texas Escapes. Texas Escapes - Blueprints For Travel, LL. Retrieved November 27, 2010.
  12. "Johnson City, Tx". Texas Escapes. Texas Escapes - Blueprints For Travel, LLC. Retrieved November 27, 2010.
  13. "Blanco Co Historical Markers". Fort Tours. Retrieved November 27, 2010.
  14. "Blanco Co State Park". Texas Parks and Wildlife Dept. Retrieved November 27, 2010.
  15. Caro, Robert A (1990). The Path to Power. Vintage. p. 400. ISBN 978-0-679-72945-7.
  16. "C L Browning Ranch". C L Browning Ranch. Retrieved November 27, 2010.
  17. "Pedernales Falls State Park". Texas Parks and Wildlife Dept. Retrieved November 27, 2010.
  18. "QuickFacts: Blanco County, Texas". United States Census Bureau. Retrieved June 11, 2025.
  19. "Decennial Census of Population and Housing by Decade". US Census Bureau.
  20. "Texas Almanac: Population History of Counties from 1850–2010"(PDF). Texas Almanac. Archived(PDF) from the original on October 9, 2022. Retrieved April 19, 2015.
  21. 12"P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2010: DEC Redistricting Data (PL 94-171) – Blanco County, Texas". United States Census Bureau.
  22. 12"P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2020: DEC Redistricting Data (PL 94-171) – Blanco County, Texas". United States Census Bureau.
  23. 123"2020 Decennial Census Demographic Profile (DP1)". United States Census Bureau. 2021. Retrieved January 9, 2026.
  24. 12"2020 Decennial Census Redistricting Data (Public Law 94-171)". United States Census Bureau. 2021. Retrieved January 9, 2026.
  25. "2020 Decennial Census Demographic and Housing Characteristics (DHC)". United States Census Bureau. 2023. Retrieved January 9, 2026.
  26. "1980 Census of Population - General Population Characteristics- Texas - Table 15. Persons by Race and Table 16. Total Persons and Spanish Origin Persons by Type of Spanish Origin and Race"(PDF). United States Census Bureau. p. 21-46. Archived from the original(PDF) on October 7, 2022.
  27. "1990 Census of Population - General Population Characteristics- Texas - Table 3. Race and Hispanic Origin: 1990"(PDF). United States Census Bureau. p. 29-138. Archived from the original(PDF) on February 3, 2026.
  28. "P004: Hispanic or Latino, and Not Hispanic or Latino by Race – 2000: DEC Summary File 1 – Blanco County, Texas". United States Census Bureau.
  29. included in the Asian category in the 1980 Census
  30. included in the Asian category in the 1990 Census
  31. not an option in the 1980 Census
  32. not an option in the 1990 Census
  33. "U.S. Census website". United States Census Bureau. Retrieved May 14, 2011.
  34. "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved April 19, 2015.
  35. Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved July 19, 2018.
  36. "2024 Senate Election (Official Returns)". Commonwealth of Texas by county. November 5, 2024. Retrieved December 5, 2024.
  37. "Texas Senate Election Results 2020". NBCNews.com. November 3, 2020. Retrieved April 10, 2026.
  38. "2020 CENSUS - SCHOOL DISTRICT REFERENCE MAP: Blanco County, TX"(PDF). U.S. Census Bureau. Archived(PDF) from the original on October 9, 2022. Retrieved June 29, 2022. - List
  39. Texas Education Code, Sec. 130.166. AUSTIN COMMUNITY COLLEGE DISTRICT SERVICE AREA..

30°16′N98°24′W / 30.27°N 98.40°W / 30.27; -98.40