ZIP 63303 · Saint Charles
Who lives in ZIP code 63303 (Saint Charles, MO): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Saint Charles, MO · St. Charles County
uszips 2026
People46,089
Median age41.4
Household income$99,138
Home value$321,290
Median rent$1,374/mo
Poverty5.3%
College degree+48.8%
Commute22 min
Place
- Metro area
- St. Louis, MO-IL
- Wider region
- St. Louis-St. Charles-Farmington, MO-IL
- Time zone
- Central
- Density
- 901 / sq mi
- Housing units
- 20,690
County
Share of the ZIP's people in each county.
Age mix
19.3% are 65 or older; 82.2% are adults.
Household income
49.7% of households earn $100K+. Median per person: $53,671.
Education (adults 25+)
45.3% of degrees are in STEM fields.
Race
4.8% Hispanic or Latino (of any race).
Households & family
- Married
- 54.1%
- Never married
- 28.1%
- Divorced
- 12.3%
- Widowed
- 5.4%
- Family size
- 2.81
- Dual-income families
- 57.7%
Housing
- Own their home
- 74.1%
- Rent burden
- 24.6%
- Men / women
- 50% / 50%
Work
- In labor force
- 69.0%
- Unemployment
- 2.1%
- Self-employed
- 10.2%
- Farmers
- 0.4%
Community
- Charitable givers
- 34.3%
- Veterans
- 6.4%
- With a disability
- 12.0%
- No health insurance
- 3.9%
- Limited English
- 0.4%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.