ZIP 51331 · Arnolds Park
Who lives in ZIP code 51331 (Arnolds Park, IA): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Arnolds Park, IA · Dickinson County
uszips 2026
People935
Median age64.8
Household income$89,167
Home value$430,166
Median rent$497/mo
Poverty5.8%
College degree+40.7%
Commute17 min
Place
- Metro area
- Spirit Lake, IA (micro)
- Wider region
- Spencer-Spirit Lake, IA
- Time zone
- Central
- Density
- 225 / sq mi
- Housing units
- 522
County
Share of the ZIP's people in each county.
Age mix
49.1% are 65 or older; 93.4% are adults.
Household income
45.8% of households earn $100K+. Median per person: $50,893.
Education (adults 25+)
40.4% of degrees are in STEM fields.
Race
0.7% Hispanic or Latino (of any race).
Households & family
- Married
- 68.1%
- Never married
- 17.8%
- Divorced
- 9.1%
- Widowed
- 5.0%
- Family size
- 2.11
- Dual-income families
- 40.7%
Housing
- Own their home
- 89.3%
- Rent burden
- —
- Men / women
- 47% / 53%
Work
- In labor force
- 48.9%
- Unemployment
- 0.5%
- Self-employed
- 22.0%
- Farmers
- 0.0%
Community
- Charitable givers
- 40.7%
- Veterans
- 6.9%
- With a disability
- 20.1%
- No health insurance
- 0.9%
- Limited English
- 0.0%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.