ZIP 57339 · Fort Thompson
Who lives in ZIP code 57339 (Fort Thompson, SD): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Fort Thompson, SD · Buffalo County
uszips 2026
People1,390
Median age21.3
Household income$46,136
Home value—
Median rent$605/mo
Poverty36.3%
College degree+7.2%
Commute11 min
Place
- Metro area
- Outside any metro
- Time zone
- Central
- Density
- 10 / sq mi
- Housing units
- 372
County
Share of the ZIP's people in each county.
Age mix
8.7% are 65 or older; 58.1% are adults.
Household income
13.7% of households earn $100K+. Median per person: $26,136.
Education (adults 25+)
42.3% of degrees are in STEM fields.
Race
1.7% Hispanic or Latino (of any race).
Households & family
- Married
- 16.3%
- Never married
- 64.7%
- Divorced
- 9.7%
- Widowed
- 9.3%
- Family size
- 5.18
- Dual-income families
- 41.2%
Housing
- Own their home
- 43.5%
- Rent burden
- —
- Men / women
- 57% / 44%
Work
- In labor force
- 49.8%
- Unemployment
- 10.0%
- Self-employed
- 5.9%
- Farmers
- 0.0%
Community
- Charitable givers
- 0.0%
- Veterans
- 12.0%
- With a disability
- 14.2%
- No health insurance
- 45.3%
- Limited English
- 0.0%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.