ZIP 63366 · O'Fallon
Who lives in ZIP code 63366 (O'Fallon, MO): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
O'Fallon, MO · St. Charles County
uszips 2026
People54,769
Median age40.4
Household income$100,621
Home value$303,453
Median rent$1,302/mo
Poverty7.0%
College degree+33.4%
Commute25 min
Place
- Metro area
- St. Louis, MO-IL
- Wider region
- St. Louis-St. Charles-Farmington, MO-IL
- Time zone
- Central
- Density
- 305 / sq mi
- Housing units
- 20,967
County
Share of the ZIP's people in each county.
Age mix
16.6% are 65 or older; 78.1% are adults.
Household income
50.2% of households earn $100K+. Median per person: $48,881.
Education (adults 25+)
41.0% of degrees are in STEM fields.
Race
6.4% Hispanic or Latino (of any race).
Households & family
- Married
- 56.1%
- Never married
- 25.9%
- Divorced
- 12.9%
- Widowed
- 5.1%
- Family size
- 3.13
- Dual-income families
- 65.2%
Housing
- Own their home
- 82.1%
- Rent burden
- 30.5%
- Men / women
- 50% / 50%
Work
- In labor force
- 70.4%
- Unemployment
- 3.5%
- Self-employed
- 9.5%
- Farmers
- 0.6%
Community
- Charitable givers
- 32.6%
- Veterans
- 7.1%
- With a disability
- 13.0%
- No health insurance
- 5.2%
- Limited English
- 0.3%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.