ZIP 57646 · Mound City
Who lives in ZIP code 57646 (Mound City, SD): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Mound City, SD · Campbell County
uszips 2026
People272
Median age37.5
Household income$101,406
Home value$105,866
Median rent—
Poverty12.9%
College degree+47.0%
Commute21 min
Place
- Metro area
- Outside any metro
- Time zone
- Central
- Density
- 1 / sq mi
- Housing units
- 109
County
Share of the ZIP's people in each county.
Age mix
19.1% are 65 or older; 76.8% are adults.
Household income
54.1% of households earn $100K+. Median per person: $32,250.
Education (adults 25+)
8.0% of degrees are in STEM fields.
Race
21.3% Hispanic or Latino (of any race).
Households & family
- Married
- 79.1%
- Never married
- 14.2%
- Divorced
- 2.4%
- Widowed
- 4.3%
- Family size
- 2.64
- Dual-income families
- 70.1%
Housing
- Own their home
- 88.1%
- Rent burden
- —
- Men / women
- 53% / 47%
Work
- In labor force
- 65.4%
- Unemployment
- 0.0%
- Self-employed
- 18.2%
- Farmers
- 36.4%
Community
- Charitable givers
- 0.0%
- Veterans
- 3.8%
- With a disability
- 11.4%
- No health insurance
- 2.6%
- Limited English
- 4.6%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.