ZIP 57430 · Britton
Who lives in ZIP code 57430 (Britton, SD): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Britton, SD · Marshall County
uszips 2026
People1,828
Median age45.0
Household income$70,484
Home value$146,336
Median rent$820/mo
Poverty8.7%
College degree+23.2%
Commute10 min
Place
- Metro area
- Outside any metro
- Time zone
- Central
- Density
- 2 / sq mi
- Housing units
- 756
Spans 2 counties
Share of the ZIP's people in each county.
Age mix
24.4% are 65 or older; 78.5% are adults.
Household income
36.0% of households earn $100K+. Median per person: $42,273.
Education (adults 25+)
38.1% of degrees are in STEM fields.
Race
2.4% Hispanic or Latino (of any race).
Households & family
- Married
- 58.5%
- Never married
- 22.0%
- Divorced
- 6.8%
- Widowed
- 12.7%
- Family size
- 2.82
- Dual-income families
- 55.8%
Housing
- Own their home
- 77.9%
- Rent burden
- 17.0%
- Men / women
- 52% / 48%
Work
- In labor force
- 67.1%
- Unemployment
- 0.0%
- Self-employed
- 19.4%
- Farmers
- 14.6%
Community
- Charitable givers
- 7.8%
- Veterans
- 8.8%
- With a disability
- 9.5%
- No health insurance
- 3.5%
- Limited English
- 2.4%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.