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St. Joseph city, MO

ZIP 64503 — People & Community

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

Working ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 64503

64503 has a population of 11,921 with a median age of 39.9 yrs (50.1% male).

Race & Ethnicity
White
86.1%+40% vs US avg
x
Black
2.6%-79% vs US avg
x
Asian
1.1%-81% vs US avg
x
Hispanic
6.0%-68% vs US avg
x
Other / Two+
4.1%
x
Age Groups
0–17
21.0%-4% vs US avg
x
18–64
61.9%+0% vs US avg
x
65+
17.1%+5% vs US avg
x
Education
Less than HS
10.8%-3% vs US avg
x
High school
41.5%+58% vs US avg
x
Some college
31.3%+8% vs US avg
x
Bachelor's+
16.4%-51% vs US avg
x
Marital Status
Married
44.4%-8% vs US avg
x
Never married
28.5%-16% vs US avg
x
Divorced
19.6%+91% vs US avg
x
Widowed / Separated
7.4%
x
Diversity Index
25/100

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

Social & household profile

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

Poverty Rate
17.9%+55% vs US avg
x
Foreign Born
19.4%+40% vs US avg
x
Veterans
9.4%+57% vs US avg
x
Disability
19.1%+42% vs US avg
x
Single Parent
13.5%+66% vs US avg
x
Recent Births
56.9%+881% vs US avg
x
Top ancestry
GermanEnglishIrish

Health & Community Indicators in 64503

Poverty Rate
17.9%+55% vs US avg
x
Veterans
9.4%+57% vs US avg
x
Foreign Born
19.4%+40% vs US avg
x
Single Parent
13.5%+66% vs US avg
x
Disability
19.1%+42% vs US avg
x
Uninsured
16.8%+110% vs US avg
x
SNAP Benefits
20.1%+71% vs US avg
x
Private School
0.4%-96% vs US avg
x
Recent Births
56.9%+881% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population11,921
Median age39.9
Poverty rate17.9%
Demographics statistics
Demographics
White86.1%
Hispanic6.0%
Black2.6%
Asian1.1%
Foreign-born19.4%