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Castalia city, IA

ZIP 52133 — 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 52133

52133 has a population of 711 with a median age of 49.1 yrs (45.7% male).

Race & Ethnicity
White
88.5%+44% vs US avg
x
Black
11.5%-7% vs US avg
x
Asian
0.0%
x
Hispanic
0.0%
x
Age Groups
0–17
20.5%-7% vs US avg
x
18–64
62.3%+1% vs US avg
x
65+
17.2%+5% vs US avg
x
Education
Less than HS
2.4%-78% vs US avg
x
High school
64.7%+147% vs US avg
x
Some college
22.2%-23% vs US avg
x
Bachelor's+
10.8%-68% vs US avg
x
Marital Status
Married
66.2%+38% vs US avg
x
Never married
27.8%-18% vs US avg
x
Divorced
3.6%-65% vs US avg
x
Widowed / Separated
2.4%
x
Diversity Index
20/100

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

Social & household profile

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

Poverty Rate
1.7%-85% vs US avg
x
Foreign Born
0.0%
x
Veterans
5.0%-17% vs US avg
x
Disability
18.4%+37% vs US avg
x
Single Parent
13.5%+67% vs US avg
x
Recent Births
0.0%
x
Top ancestry
GermanNorwegianPolish

Health & Community Indicators in 52133

Poverty Rate
1.7%-85% vs US avg
x
Veterans
5.0%-17% vs US avg
x
Foreign Born
0.0%
x
Single Parent
13.5%+67% vs US avg
x
Disability
18.4%+37% vs US avg
x
Uninsured
1.0%-88% vs US avg
x
SNAP Benefits
3.7%-68% vs US avg
x
Private School
0.0%
x
Recent Births
0.0%
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population711
Median age49.1
Poverty rate1.7%
Demographics statistics
Demographics
White88.5%
Hispanic0.0%
Black11.5%
Asian0.0%
Foreign-born0.0%