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Seneca city, KS

ZIP 66538 — 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 66538

66538 has a population of 3,577 with a median age of 41.0 yrs (53.3% male).

Race & Ethnicity
White
98.3%+60% vs US avg
x
Black
0.1%-99% vs US avg
x
Asian
0.0%
x
Hispanic
3.0%-84% vs US avg
x
Age Groups
0–17
28.6%+30% vs US avg
x
18–64
51.6%-16% vs US avg
x
65+
19.8%+21% vs US avg
x
Education
Less than HS
5.6%-49% vs US avg
x
High school
38.2%+46% vs US avg
x
Some college
22.8%-21% vs US avg
x
Bachelor's+
33.3%-1% vs US avg
x
Marital Status
Married
61.0%+27% vs US avg
x
Never married
23.9%-29% vs US avg
x
Divorced
6.9%-33% vs US avg
x
Widowed / Separated
8.2%
x
Diversity Index
3/100

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

Social & household profile

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

Poverty Rate
6.5%-43% vs US avg
x
Foreign Born
52.6%+279% vs US avg
x
Veterans
7.8%+30% vs US avg
x
Disability
12.6%-6% vs US avg
x
Single Parent
1.5%-81% vs US avg
x
Recent Births
46.1%+695% vs US avg
x
Top ancestry
GermanAmericanIrish

Health & Community Indicators in 66538

Poverty Rate
6.5%-43% vs US avg
x
Veterans
7.8%+30% vs US avg
x
Foreign Born
52.6%+279% vs US avg
x
Single Parent
1.5%-81% vs US avg
x
Disability
12.6%-6% vs US avg
x
Uninsured
4.3%-46% vs US avg
x
SNAP Benefits
1.5%-88% vs US avg
x
Private School
0.1%-99% vs US avg
x
Recent Births
46.1%+695% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population3,577
Median age41.0
Poverty rate6.5%
Demographics statistics
Demographics
White98.3%
Hispanic3.0%
Black0.1%
Asian0.0%
Foreign-born52.6%