ZIP 51535 · Griswold
Who lives in ZIP code 51535 (Griswold, IA): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Griswold, IA · Cass County
uszips 2026
People1,697
Median age50.4
Household income$76,371
Home value$151,573
Median rent$950/mo
Poverty7.9%
College degree+22.6%
Commute23 min
Place
- Metro area
- Outside any metro
- Time zone
- Central
- Density
- 5 / sq mi
- Housing units
- 740
Spans 2 counties
Share of the ZIP's people in each county.
Age mix
26.3% are 65 or older; 79.3% are adults.
Household income
39.1% of households earn $100K+. Median per person: $35,640.
Education (adults 25+)
46.7% of degrees are in STEM fields.
Race
0.9% Hispanic or Latino (of any race).
Households & family
- Married
- 55.5%
- Never married
- 22.7%
- Divorced
- 12.7%
- Widowed
- 9.1%
- Family size
- 2.80
- Dual-income families
- 47.6%
Housing
- Own their home
- 78.6%
- Rent burden
- 25.6%
- Men / women
- 53% / 47%
Work
- In labor force
- 60.4%
- Unemployment
- 0.9%
- Self-employed
- 19.5%
- Farmers
- 14.6%
Community
- Charitable givers
- 18.3%
- Veterans
- 8.6%
- With a disability
- 7.6%
- No health insurance
- 1.9%
- Limited English
- 0.0%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.