ZIP 78663 · Round Mountain
Who lives in ZIP code 78663 (Round Mountain, TX): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Round Mountain, TX · Blanco County
uszips 2026
People503
Median age65.4
Household income$168,125
Home value—
Median rent$1,688/mo
Poverty3.6%
College degree+42.7%
Commute51 min
Place
- Metro area
- Outside any metro
- Time zone
- Central
- Density
- 2 / sq mi
- Housing units
- 276
Spans 4 counties
Share of the ZIP's people in each county.
Age mix
51.1% are 65 or older; 95.0% are adults.
Household income
57.3% of households earn $100K+. Median per person: $72,802.
Education (adults 25+)
39.2% of degrees are in STEM fields.
Race
7.6% Hispanic or Latino (of any race).
Households & family
- Married
- 74.9%
- Never married
- 10.7%
- Divorced
- 9.5%
- Widowed
- 4.8%
- Family size
- 2.28
- Dual-income families
- 22.5%
Housing
- Own their home
- 83.0%
- Rent burden
- —
- Men / women
- 60% / 40%
Work
- In labor force
- 47.3%
- Unemployment
- 0.4%
- Self-employed
- 20.0%
- Farmers
- 20.0%
Community
- Charitable givers
- 25.7%
- Veterans
- 5.0%
- With a disability
- 30.4%
- No health insurance
- 15.1%
- Limited English
- 4.0%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.