ZIP 57266 · Summit
Who lives in ZIP code 57266 (Summit, SD): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Summit, SD · Grant County
uszips 2026
People626
Median age33.7
Household income$72,500
Home value$152,290
Median rent$775/mo
Poverty17.9%
College degree+14.5%
Commute25 min
Place
- Metro area
- Outside any metro
- Time zone
- Central
- Density
- 2 / sq mi
- Housing units
- 206
Spans 2 counties
Share of the ZIP's people in each county.
Age mix
15.7% are 65 or older; 65.8% are adults.
Household income
36.4% of households earn $100K+. Median per person: $37,344.
Education (adults 25+)
32.7% of degrees are in STEM fields.
Race
6.2% Hispanic or Latino (of any race).
Households & family
- Married
- 46.7%
- Never married
- 31.0%
- Divorced
- 18.1%
- Widowed
- 4.2%
- Family size
- 3.96
- Dual-income families
- 70.5%
Housing
- Own their home
- 74.3%
- Rent burden
- 25.4%
- Men / women
- 58% / 43%
Work
- In labor force
- 69.1%
- Unemployment
- 2.9%
- Self-employed
- 15.4%
- Farmers
- 19.2%
Community
- Charitable givers
- 0.0%
- Veterans
- 8.7%
- With a disability
- 5.6%
- No health insurance
- 12.1%
- Limited English
- 1.5%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.