ZIP code · Buchanan Dam · Texas · United States
ZIP code 78609 — Buchanan Dam
ZIP code 78609 serves Buchanan Dam, Texas.
- Postal code
- 78609Single source Value from one source, not cross-checked.
- City
- Buchanan Dam
- County
- Llano
- State
- Texas
- Country
- United States
- Coordinates
- 30.7538, -98.4295 — precision precise (locality)
View on OpenStreetMap - Population
- 1,826 (ZCTA, ACS 5-year)
- Median household income
- $60,663
- Median age
- 63.4
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · census-acs5. Data generated on 2026-08-21. Methodology · Report an error on this page