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St. Marys city, KS

ZIP 66536 — People & Community

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

Middle ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 66536

66536 has a population of 4,103 with a median age of 25.4 yrs (47.7% male).

Race & Ethnicity
White
87.3%+42% vs US avg
x
Black
0.8%-94% vs US avg
x
Asian
0.7%-89% vs US avg
x
Hispanic
9.0%-52% vs US avg
x
Other / Two+
2.3%
x
Age Groups
0–17
29.3%+33% vs US avg
x
18–64
57.1%-7% vs US avg
x
65+
13.6%-17% vs US avg
x
Education
Less than HS
3.9%-65% vs US avg
x
High school
35.7%+36% vs US avg
x
Some college
38.8%+34% vs US avg
x
Bachelor's+
21.6%-36% vs US avg
x
Marital Status
Married
49.6%+3% vs US avg
x
Never married
43.3%+28% vs US avg
x
Divorced
3.7%-64% vs US avg
x
Widowed / Separated
3.3%
x
Diversity Index
23/100

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

Social & household profile

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

Poverty Rate
8.9%-23% vs US avg
x
Foreign Born
64.4%+363% vs US avg
x
Veterans
8.1%+35% vs US avg
x
Disability
12.4%-8% vs US avg
x
Single Parent
5.1%-37% vs US avg
x
Recent Births
86.2%+1387% vs US avg
x
Top ancestry
GermanIrishItalian

Health & Community Indicators in 66536

Poverty Rate
8.9%-23% vs US avg
x
Veterans
8.1%+35% vs US avg
x
Foreign Born
64.4%+363% vs US avg
x
Single Parent
5.1%-37% vs US avg
x
Disability
12.4%-8% vs US avg
x
Uninsured
8.4%+5% vs US avg
x
SNAP Benefits
4.5%-62% vs US avg
x
Private School
0.6%-94% vs US avg
x
Recent Births
86.2%+1387% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population4,103
Median age25.4
Poverty rate8.9%
Demographics statistics
Demographics
White87.3%
Hispanic9.0%
Black0.8%
Asian0.7%
Foreign-born64.4%