County · GEOID 48031
Blanco County, TX ZIP codes
8 ZIP/ZCTAs intersecting this county.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Blanco County (GEOID 48031). Methodology
Combined population of ZIP/ZCTAs intersecting this county: 79,845 (8 ZIPs).
Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology
Blanco County, TX ZIP code map

ZIP/ZCTA overlap with Blanco County
Population overlap
Share of each ZIP/ZCTA’s population located within Blanco County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- 780703.2%
- 7860694.0%
Directory county
- 786200.8%
- 78635100.0%
Directory county
- 78636100.0%
Directory county
- 7866386.0%
Directory county
- 786691.7%
- 786760.7%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Blanco County
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 78070 | Spring Branch | Comal County | 19,836 | $115,076 |
| 78606 | Blanco | Blanco County | 6,977 | $89,980 |
| 78620 | Dripping Springs | Hays County | 20,624 | $146,551 |
| 78635 | Hye | Blanco County | 83 | — |
| 78636 | Johnson City | Blanco County | 3,842 | $59,625 |
| 78663 | Round Mountain | Blanco County | 607 | $156,829 |
| 78669 | Spicewood | Travis County | 11,980 | $126,422 |
| 78676 | Wimberley | Hays County | 15,896 | $86,819 |