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Seguin city, TX

ZIP 78155 — People & Community

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

Middle ClassLarge CommunityLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 78155

78155 has a population of 53,449 with a median age of 39.4 yrs (50.1% male).

Race & Ethnicity
White
57.8%-6% vs US avg
x
Black
4.9%-61% vs US avg
x
Asian
0.7%-87% vs US avg
x
Hispanic
48.7%+161% vs US avg
x
Age Groups
0–17
21.4%-3% vs US avg
x
18–64
61.0%-1% vs US avg
x
65+
17.7%+8% vs US avg
x
Education
Less than HS
14.9%+34% vs US avg
x
High school
37.1%+42% vs US avg
x
Some college
25.5%-12% vs US avg
x
Bachelor's+
22.5%-33% vs US avg
x
Marital Status
Married
50.6%+5% vs US avg
x
Never married
31.1%-8% vs US avg
x
Divorced
12.4%+20% vs US avg
x
Widowed / Separated
5.9%
x
Diversity Index
43/100

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

Social & household profile

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

Poverty Rate
17.0%+48% vs US avg
x
Foreign Born
20.7%+49% vs US avg
x
Veterans
8.5%+42% vs US avg
x
Disability
15.5%+15% vs US avg
x
Single Parent
13.2%+63% vs US avg
x
Top ancestry
GermanEnglishIrish

Health & Community Indicators in 78155

Poverty Rate
17.0%+48% vs US avg
x
Veterans
8.5%+42% vs US avg
x
Foreign Born
20.7%+49% vs US avg
x
Single Parent
13.2%+63% vs US avg
x
Disability
15.5%+15% vs US avg
x
Uninsured
14.2%+77% vs US avg
x
SNAP Benefits
15.7%+34% vs US avg
x
Private School
0.3%-97% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population53,449
Median age39.4
Poverty rate17.0%
Demographics statistics
Demographics
White57.8%
Hispanic48.7%
Black4.9%
Asian0.7%
Foreign-born20.7%