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San Antonio city, TX

ZIP 78243 — People & Community

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Low Snow AreaRemote Work Hub

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 78243

78243 has a population of 251 with a median age of 21.0 yrs (82.9% male).

Race & Ethnicity
White
58.2%-6% vs US avg
x
Black
29.5%+138% vs US avg
x
Asian
4.8%-19% vs US avg
x
Hispanic
16.7%-11% vs US avg
x
Age Groups
0–17
0.0%
x
18–64
100.0%+62% vs US avg
x
65+
0.0%
x
Education
Less than HS
0.0%
x
High school
32.1%+23% vs US avg
x
Some college
67.9%+135% vs US avg
x
Bachelor's+
0.0%
x
Marital Status
Married
8.4%-83% vs US avg
x
Never married
91.6%+171% vs US avg
x
Divorced
0.0%
x
Diversity Index
54/100

Higher = more diverse (Simpson index from race/ethnicity)

Social & household profile

Poverty, nativity, veterans, disability, family structure, and births (ACS).

Veterans
87.1%+1352% vs US avg
x
Recent Births
0.0%
x
Top ancestry
IrishJamaicanDutch

Health & Community Indicators in 78243

Veterans
87.1%+1352% vs US avg
x
Private School
0.0%
x
Recent Births
0.0%
x

People & Community key statistics

Population statistics
Population
Population251
Median age21.0
Demographics statistics
Demographics
White58.2%
Hispanic16.7%
Black29.5%
Asian4.8%