ZIP 57223 · Castlewood
Who lives in ZIP code 57223 (Castlewood, SD): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Castlewood, SD · Hamlin County
uszips 2026
People1,429
Median age34.3
Household income$92,424
Home value$241,302
Median rent$1,133/mo
Poverty3.4%
College degree+28.5%
Commute25 min
Place
- Metro area
- Outside any metro
- Time zone
- Central
- Density
- 4 / sq mi
- Housing units
- 510
Spans 2 counties
Share of the ZIP's people in each county.
Age mix
13.0% are 65 or older; 65.3% are adults.
Household income
39.4% of households earn $100K+. Median per person: $46,964.
Education (adults 25+)
38.7% of degrees are in STEM fields.
Race
0.3% Hispanic or Latino (of any race).
Households & family
- Married
- 66.4%
- Never married
- 18.5%
- Divorced
- 13.0%
- Widowed
- 2.1%
- Family size
- 3.26
- Dual-income families
- 71.8%
Housing
- Own their home
- 87.6%
- Rent burden
- 28.4%
- Men / women
- 52% / 48%
Work
- In labor force
- 78.1%
- Unemployment
- 1.0%
- Self-employed
- 22.0%
- Farmers
- 18.6%
Community
- Charitable givers
- 11.9%
- Veterans
- 8.9%
- With a disability
- 8.6%
- No health insurance
- 10.2%
- Limited English
- 0.2%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.