ZIP 57551 · Martin
Who lives in ZIP code 57551 (Martin, SD): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Martin, SD · Bennett County
uszips 2026
People2,084
Median age36.0
Household income$70,096
Home value$161,815
Median rent$613/mo
Poverty20.5%
College degree+25.6%
Commute13 min
Place
- Metro area
- Outside any metro
- Time zone
- Mountain
- Density
- 1 / sq mi
- Housing units
- 666
County
Share of the ZIP's people in each county.
Age mix
18.5% are 65 or older; 68.7% are adults.
Household income
25.9% of households earn $100K+. Median per person: $33,568.
Education (adults 25+)
37.4% of degrees are in STEM fields.
Race
3.2% Hispanic or Latino (of any race).
Households & family
- Married
- 44.7%
- Never married
- 39.0%
- Divorced
- 10.9%
- Widowed
- 5.4%
- Family size
- 3.65
- Dual-income families
- 45.7%
Housing
- Own their home
- 64.9%
- Rent burden
- 15.1%
- Men / women
- 48% / 52%
Work
- In labor force
- 58.2%
- Unemployment
- 7.1%
- Self-employed
- 18.4%
- Farmers
- 14.9%
Community
- Charitable givers
- 2.3%
- Veterans
- 9.2%
- With a disability
- 9.2%
- No health insurance
- 23.0%
- Limited English
- 1.5%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.