78663
Round Mountain, Texas.
Round Mountain, Blanco County, TX · population 503
to buy the typical home at today's mortgage rate — +$2,614 (+148%) since Jan 2020.
- 1 year
- Down $18,206 -2%
- $853,598$835,392 since Sep 2025
- 5 years
- Up $91,756 +12%
- $743,636$835,392 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.
- 78663$4,385
- United States$1,922
At the last five years' pace, a typical home here doubles in price every 30 years.
Typical home values in zip 78663 fell 2.1% over the past year — slower than the nation's +1.2%.
This zip spans 4 counties: Blanco County, TX 93% · Travis County, TX 4% · Hays County, TX 2% · Burnet County, TX 1%
Zillow also publishes an index for the city itself: Round Mountain, TX — measured over the city limits, which is a different area from this zip.
Typical home value — 78663
Mid-tier homes, smoothed and seasonally adjusted.
- 78663$835,392
- 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 |
|---|---|---|---|---|---|
| 9.1 | 78657 | Horseshoe Bay | 7,591 | $1,418 | $627,745 |
| 9.6 | 78636 | Johnson City | 4,134 | — | $596,387 |
| 10.8 | 78669 | Spicewood | 12,592 | $3,572 | $691,396 |
| 12.3 | 78654 | Marble Falls | 20,650 | $1,572 | $395,596 |
| 17.0 | 78620 | Dripping Springs | 22,860 | $2,088 | $671,454 |
| 18.8 | 78639 | Kingsland | 8,719 | $1,761 | $428,396 |
Coordinates and population from SimpleMaps US Zips (Basic). Rent and home values from Zillow Research.