ZIP 57233 · Erwin
Who lives in ZIP code 57233 (Erwin, SD): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Erwin, SD · Kingsbury County
uszips 2026
People350
Median age15.4
Household income$82,917
Home value—
Median rent—
Poverty0.0%
College degree+5.1%
Commute22 min
Place
- Metro area
- Outside any metro
- Time zone
- Central
- Density
- 4 / sq mi
- Housing units
- 57
County
Share of the ZIP's people in each county.
Age mix
4.9% are 65 or older; 43.7% are adults.
Household income
33.4% of households earn $100K+. Median per person: $45,852.
Education (adults 25+)
33.3% of degrees are in STEM fields.
Race
0.0% Hispanic or Latino (of any race).
Households & family
- Married
- 51.1%
- Never married
- 45.6%
- Divorced
- 1.7%
- Widowed
- 1.7%
- Family size
- 7.49
- Dual-income families
- 62.2%
Housing
- Own their home
- 86.0%
- Rent burden
- —
- Men / women
- 63% / 37%
Work
- In labor force
- 56.9%
- Unemployment
- 0.0%
- Self-employed
- —
- Farmers
- —
Community
- Charitable givers
- —
- Veterans
- 5.9%
- With a disability
- 6.0%
- No health insurance
- 12.6%
- Limited English
- 0.0%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.