ZIP 57783 · Spearfish
Who lives in ZIP code 57783 (Spearfish, SD): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Spearfish, SD · Lawrence County
uszips 2026
People17,248
Median age41.0
Household income$74,844
Home value$372,401
Median rent$965/mo
Poverty14.0%
College degree+38.1%
Commute17 min
Place
- Metro area
- Spearfish, SD (micro)
- Wider region
- Rapid City-Spearfish, SD
- Time zone
- Mountain
- Density
- 31 / sq mi
- Housing units
- 7,849
Spans 2 counties
Share of the ZIP's people in each county.
Age mix
22.0% are 65 or older; 81.7% are adults.
Household income
32.9% of households earn $100K+. Median per person: $36,345.
Education (adults 25+)
47.7% of degrees are in STEM fields.
Race
3.6% Hispanic or Latino (of any race).
Households & family
- Married
- 46.1%
- Never married
- 33.4%
- Divorced
- 14.4%
- Widowed
- 6.1%
- Family size
- 2.93
- Dual-income families
- 53.6%
Housing
- Own their home
- 58.6%
- Rent burden
- 26.1%
- Men / women
- 50% / 50%
Work
- In labor force
- 66.0%
- Unemployment
- 1.9%
- Self-employed
- 15.1%
- Farmers
- 2.1%
Community
- Charitable givers
- 17.8%
- Veterans
- 9.6%
- With a disability
- 15.3%
- No health insurance
- 8.8%
- Limited English
- 0.9%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.