ZIP 63357 · Marthasville
Who lives in ZIP code 63357 (Marthasville, MO): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Marthasville, MO · Warren County
uszips 2026
People6,536
Median age38.9
Household income$92,200
Home value$296,674
Median rent$828/mo
Poverty6.2%
College degree+24.5%
Commute36 min
Place
- Metro area
- St. Louis, MO-IL
- Wider region
- St. Louis-St. Charles-Farmington, MO-IL
- Time zone
- Central
- Density
- 21 / sq mi
- Housing units
- 2,242
Spans 2 counties
Share of the ZIP's people in each county.
Age mix
14.8% are 65 or older; 69.9% are adults.
Household income
45.8% of households earn $100K+. Median per person: $42,630.
Education (adults 25+)
36.6% of degrees are in STEM fields.
Race
1.6% Hispanic or Latino (of any race).
Households & family
- Married
- 55.1%
- Never married
- 26.5%
- Divorced
- 13.1%
- Widowed
- 5.3%
- Family size
- 3.20
- Dual-income families
- 58.9%
Housing
- Own their home
- 85.0%
- Rent burden
- —
- Men / women
- 55% / 45%
Work
- In labor force
- 70.0%
- Unemployment
- 1.9%
- Self-employed
- 12.2%
- Farmers
- 6.3%
Community
- Charitable givers
- 25.2%
- Veterans
- 7.4%
- With a disability
- 9.5%
- No health insurance
- 9.4%
- Limited English
- 0.0%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.