ZIP 51031 · Le Mars
Who lives in ZIP code 51031 (Le Mars, IA): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Le Mars, IA · Plymouth County
uszips 2026
People12,808
Median age39.0
Household income$76,525
Home value$216,714
Median rent$928/mo
Poverty8.3%
College degree+21.9%
Commute17 min
Place
- Metro area
- Le Mars, IA (micro)
- Wider region
- Sioux City-Le Mars, IA-NE-SD
- Time zone
- Central
- Density
- 21 / sq mi
- Housing units
- 5,217
Spans 2 counties
Share of the ZIP's people in each county.
Age mix
17.2% are 65 or older; 74.5% are adults.
Household income
31.5% of households earn $100K+. Median per person: $44,063.
Education (adults 25+)
37.8% of degrees are in STEM fields.
Race
9.5% Hispanic or Latino (of any race).
Households & family
- Married
- 55.2%
- Never married
- 28.4%
- Divorced
- 9.8%
- Widowed
- 6.7%
- Family size
- 3.03
- Dual-income families
- 62.9%
Housing
- Own their home
- 65.1%
- Rent burden
- 18.9%
- Men / women
- 50% / 50%
Work
- In labor force
- 71.6%
- Unemployment
- 2.6%
- Self-employed
- 13.9%
- Farmers
- 7.4%
Community
- Charitable givers
- 24.9%
- Veterans
- 5.6%
- With a disability
- 11.9%
- No health insurance
- 5.8%
- Limited English
- 1.9%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.