ZIP 51056 · Smithland
Who lives in ZIP code 51056 (Smithland, IA): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Smithland, IA · Woodbury County
uszips 2026
People346
Median age54.7
Household income$103,313
Home value$166,701
Median rent$658/mo
Poverty12.4%
College degree+22.2%
Commute38 min
Place
- Metro area
- Sioux City, IA-NE-SD
- Wider region
- Sioux City-Le Mars, IA-NE-SD
- Time zone
- Central
- Density
- 4 / sq mi
- Housing units
- 173
Spans 2 counties
Share of the ZIP's people in each county.
Age mix
31.2% are 65 or older; 88.7% are adults.
Household income
53.8% of households earn $100K+. Median per person: $38,750.
Education (adults 25+)
3.1% of degrees are in STEM fields.
Race
3.2% Hispanic or Latino (of any race).
Households & family
- Married
- 44.9%
- Never married
- 20.6%
- Divorced
- 18.0%
- Widowed
- 16.5%
- Family size
- 2.80
- Dual-income families
- 81.6%
Housing
- Own their home
- 92.5%
- Rent burden
- —
- Men / women
- 49% / 51%
Work
- In labor force
- 69.6%
- Unemployment
- 0.9%
- Self-employed
- 10.0%
- Farmers
- 20.0%
Community
- Charitable givers
- 10.0%
- Veterans
- 7.2%
- With a disability
- 25.4%
- No health insurance
- 1.4%
- Limited English
- 1.2%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.