ZIP 51010 · Castana
Who lives in ZIP code 51010 (Castana, IA): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Castana, IA · Monona County
uszips 2026
People425
Median age46.7
Household income$89,063
Home value$114,174
Median rent$99/mo
Poverty2.4%
College degree+11.0%
Commute35 min
Place
- Metro area
- Outside any metro
- Time zone
- Central
- Density
- 2 / sq mi
- Housing units
- 208
County
Share of the ZIP's people in each county.
Age mix
17.4% are 65 or older; 79.8% are adults.
Household income
45.7% of households earn $100K+. Median per person: $32,738.
Education (adults 25+)
54.3% of degrees are in STEM fields.
Race
4.0% Hispanic or Latino (of any race).
Households & family
- Married
- 61.2%
- Never married
- 17.1%
- Divorced
- 16.0%
- Widowed
- 5.6%
- Family size
- 2.78
- Dual-income families
- 72.5%
Housing
- Own their home
- 87.5%
- Rent burden
- 2.0%
- Men / women
- 52% / 48%
Work
- In labor force
- 80.9%
- Unemployment
- 1.1%
- Self-employed
- 15.0%
- Farmers
- 20.0%
Community
- Charitable givers
- 10.0%
- Veterans
- 9.7%
- With a disability
- 9.6%
- No health insurance
- 3.3%
- Limited English
- 0.0%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.