ZIP 78681 · Round Rock
Who lives in ZIP code 78681 (Round Rock, TX): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Round Rock, TX · Williamson County
uszips 2026
People56,691
Median age39.3
Household income$137,819
Home value$505,140
Median rent$1,963/mo
Poverty5.5%
College degree+58.0%
Commute24 min
Place
- Metro area
- Austin-Round Rock-San Marcos, TX
- Time zone
- Central
- Density
- 944 / sq mi
- Housing units
- 20,135
County
Share of the ZIP's people in each county.
Age mix
11.3% are 65 or older; 73.3% are adults.
Household income
65.3% of households earn $100K+. Median per person: $60,305.
Education (adults 25+)
51.3% of degrees are in STEM fields.
Race
22.0% Hispanic or Latino (of any race).
Households & family
- Married
- 58.2%
- Never married
- 27.8%
- Divorced
- 11.2%
- Widowed
- 2.8%
- Family size
- 3.23
- Dual-income families
- 62.3%
Housing
- Own their home
- 73.9%
- Rent burden
- 27.7%
- Men / women
- 51% / 49%
Work
- In labor force
- 71.1%
- Unemployment
- 3.0%
- Self-employed
- 14.3%
- Farmers
- 0.6%
Community
- Charitable givers
- 34.2%
- Veterans
- 6.5%
- With a disability
- 8.1%
- No health insurance
- 7.5%
- Limited English
- 4.0%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.