78663 ZIP Code – Round Mountain, Texas
78663 is a ZIP code serving Round Mountain, Texas in Blanco County with a population of approximately 599 residents. The median household income is $150,593 — well above the Texas average and well above the national average. Median home values of $178,800 are below the national average, with 83.0% owner-occupied housing (increasing). Housing consists of 93% single-family (increasing).
The area reports an unemployment rate of 1.4%, well below the national average. The poverty rate is 2.5%, well below the national average. An estimated 31.1% of adults hold a bachelor's degree or higher, above the national average. Residents have a median age of 59.8, above the U.S. median. The surrounding area includes ZIP codes 78657, 78636, 78669.
ZIP Code 78663 Data
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ZIP 78663 vs. Texas vs. U.S.
| Metric | ZIP 78663 | TX Avg. | U.S. Avg. |
|---|---|---|---|
| Population | 599 | 15k | 10k |
| Median Household Income | $150k | $70k | $73k |
| Median Home Value | $178k | $207k | $258k |
| Median Rent | — | $1,123 | $1,088 |
| Median Age | 59.8 | 39.8 | 43.2 |
| Unemployment Rate | 1.4% | 4.8% | 5.0% |
| Poverty Rate | 2.5% | 14.2% | 13.3% |
| Bachelor's Degree or Higher | 31.1% | 25.7% | 26.9% |
Demographics Charts
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Education Level (adults 25+)
Nearby ZIP Codes
- 78657 – Horseshoe Bay
- 78636 – Johnson City
- 78669 – Spicewood
- 78654 – Marble Falls
- 78620 – Dripping Springs
- 78639 – Kingsland
- 78635 – Hye
- 78645 – Leander
- 78738 – Austin
- 78734 – Austin
Nearby ZIP Code Comparison
| ZIP Code | City | Population | Median Income |
|---|---|---|---|
| 78657 | HORSESHOE BAY | 6,958 | $81,518 |
| 78636 | JOHNSON CITY | 3,582 | $65,313 |
| 78669 | SPICEWOOD | 10,802 | $125,600 |
| 78654 | MARBLE FALLS | 19,379 | $65,503 |
| 78620 | DRIPPING SPRINGS | 19,893 | $138,639 |