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Buchanan Dam, TX ZIP code

The ZIP code for Buchanan Dam, Texas is 78609. It is in Llano County.

Population in these ZIPs
1,983
Avg. median income
$64,400population-weighted
Typical home value
$355,000population-weighted
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ZIP codes within 10 miles

Buchanan Dam, TX ZIP code list

Buchanan Dam, TX ZIP codes
ZIP codePopulationMedian incomeTypical home value
786091,983$64,418$355,000

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near Buchanan Dam

Frequently asked questions

What is the ZIP code for Buchanan Dam, TX?

The ZIP code for Buchanan Dam, TX is 78609.

What county is Buchanan Dam, Texas in?

Buchanan Dam ZIP codes are in Llano County.