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ZIP Code Database - Facts & Stats

Data Last Updated: January 1, 2023

ZIP Codes for City of Johnson City, TX

Johnson City, TX Covers 1 ZIP Code

ZIP CodeTypeCountyPopulation
ZIP Code 78636StandardBlanco3,749

Timezone(s):Central (GMT -06:00)
Counties:BLANCO, TX
Population:1,656 (More Details)
Male Population:819
Female Population:837
Median Age:40
ZIP Codes:1
Area Codes:1
Total Area:713 square miles (county)
Land Area:709 square miles (county)
Water Area:4 square miles (county)

Johnson City, TX Demographic Information *

Total population1,656
Male population819
Female population837
Median age (years)39.6
White Population1,431
Black Population13
Indian Population17
Asian Population3
Hawaiian Population1
Hispanic Population399
Median age (Male)35.7
Median age (Female)43.1
Total households645
Family households (families)432
Average household size2.49
Average family size3.08
Total housing units734
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 1/1/2023],
  2. Internal Data Creation [Last Updated: 1/1/2023],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],