ZIP 52133 · Castalia
Who lives in ZIP code 52133 (Castalia, IA): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Castalia, IA · Winneshiek County
uszips 2026
People673
Median age44.3
Household income$76,250
Home value—
Median rent—
Poverty1.6%
College degree+11.3%
Commute20 min
Place
- Metro area
- Outside any metro
- Time zone
- Central
- Density
- 6 / sq mi
- Housing units
- 245
Spans 2 counties
Share of the ZIP's people in each county.
Age mix
15.8% are 65 or older; 76.4% are adults.
Household income
40.4% of households earn $100K+. Median per person: $38,239.
Education (adults 25+)
87.7% of degrees are in STEM fields.
Race
0.0% Hispanic or Latino (of any race).
Households & family
- Married
- 89.9%
- Never married
- 5.2%
- Divorced
- 3.1%
- Widowed
- 1.7%
- Family size
- 2.88
- Dual-income families
- 47.0%
Housing
- Own their home
- 92.2%
- Rent burden
- —
- Men / women
- 50% / 50%
Work
- In labor force
- 70.7%
- Unemployment
- 0.0%
- Self-employed
- 27.3%
- Farmers
- 22.7%
Community
- Charitable givers
- 13.6%
- Veterans
- 3.3%
- With a disability
- 21.8%
- No health insurance
- 1.2%
- Limited English
- 0.0%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.