78609
Buchanan Dam, Texas.
Buchanan Dam, Llano County, TX · population 1,983
to buy the typical home at today's mortgage rate — +$882 (+90%) since Jan 2020.
- 1 year
- Down $8,222 -2%
- $363,218$354,996 since Sep 2025
- 5 years
- Down $27,699 -7%
- $382,694$354,996 since Sep 2021
Monthly payment to buy the typical home
Home value × that month's 30-year mortgage rate, 20% down, principal and interest. This is the line households feel: prices and rates compound each other.
- 78609$1,863
- United States$1,922
At the last five years' pace, prices here aren't rising.
Typical home values in zip 78609 fell 2.3% over the past year — slower than the nation's +1.2%.
Zillow also publishes an index for the city itself: Buchanan Dam, TX — measured over the city limits, which is a different area from this zip.
Typical home value — 78609
Mid-tier homes, smoothed and seasonally adjusted.
- 78609$354,996
- United States$366,157
Within 20 miles
| Miles sorted ascending, activate to sort descending | Zip activate to sort by Zip | City activate to sort by City | Population activate to sort by Population | Rent activate to sort by Rent | Home value activate to sort by Home value |
|---|---|---|---|---|---|
| 7.0 | 78639 | Kingsland | 8,719 | $1,761 | $428,396 |
| 8.7 | 78672 | Tow | 570 | — | $232,807 |
| 11.3 | 78611 | Burnet | 14,560 | $1,975 | $394,339 |
| 16.2 | 78657 | Horseshoe Bay | 7,591 | $1,418 | $627,745 |
| 16.4 | 78643 | Llano | 7,088 | — | $349,412 |
| 19.4 | 78654 | Marble Falls | 20,650 | $1,572 | $395,596 |
Coordinates and population from SimpleMaps US Zips (Basic). Rent and home values from Zillow Research.