Home > TX > Blanco County > Johnson City > Zip 78636

Zip Code 78636 — Johnson City, TX

78636 is a ZIP Code associated with Johnson City, TX, located within Blanco. The postal region supports an estimated population of 4,134 residents across Data Pending housing units, with a population density of 4.5 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (30.316490, -98.423760)

Data MetricLocal Statistic
Postal / Zip Code78636
Primary CityJohnson City
State / ProvinceTX
CountyBlanco
Total Population4,134
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density4.5 people/sq mi
TimezoneAmerica/Chicago

How 78636 Compares

MetricZIP 78636Blanco CountyTX State Average
Population4,13412,00130,188,035
Median IncomeData PendingN/AN/A
Population Density4.5 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 78663Round Mountain9.6 mi503N/A
Zip 78635Hye10.6 mi92N/A
Zip 78671Stonewall14.7 mi413N/A
Zip 78657Horseshoe Bay15.2 mi7,591N/A
Zip 78606Blanco15.6 mi7,272N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →