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ZIP 78231 · San Antonio

Who lives in ZIP code 78231 (San Antonio, TX): age, income, housing, education and work.

Source: uszips 2026 (ACS-based ZIP file)

2026 ZIP profile

San Antonio, TX · Bexar County

uszips 2026
People9,744
Median age41.2
Household income$109,183
Home value$402,541
Median rent$1,393/mo
Poverty5.8%
College degree+65.6%
Commute21 min

Place

Metro area
San Antonio-New Braunfels, TX
Wider region
San Antonio-New Braunfels-Kerrville, TX
Time zone
Central
Density
920 / sq mi
Housing units
3,978

County

Bexar100%

Share of the ZIP's people in each county.

Age mix

Under 107.6%
10–1917.1%
20s13.1%
30s11.1%
40s12.8%
50s12.7%
60s9.4%
70s9.9%
80+6.2%

20.4% are 65 or older; 79.2% are adults.

Household income

Under $25K8.2%
$25K–50K15.4%
$50K–75K13.7%
$75K–100K7.7%
$100K–150K24.3%
$150K+30.6%

54.9% of households earn $100K+. Median per person: $46,602.

Education (adults 25+)

Less than high school0.4%
High school12.5%
Some college21.4%
Bachelor's34.5%
Graduate31.1%

45.3% of degrees are in STEM fields.

Race

White61.1%
Black4.5%
Asian3.7%
Native American1.2%
Pacific Islander0.0%
Other4.4%
Two or more25.0%

39.3% Hispanic or Latino (of any race).

Households & family

Married
51.7%
Never married
31.7%
Divorced
14.0%
Widowed
2.6%
Family size
3.14
Dual-income families
58.2%

Housing

Own their home
66.2%
Rent burden
33.6%
Men / women
49% / 51%

Work

In labor force
64.3%
Unemployment
2.7%
Self-employed
17.1%
Farmers
0.9%

Community

Charitable givers
35.8%
Veterans
14.7%
With a disability
14.7%
No health insurance
4.8%
Limited English
4.6%

Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.

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