St. Charles County , Missouri
Population: 409,830 residents · 2023 Census ACS
Income $102,912 Home $296,800 Rent $1,312/mo
Page updated: · Data vintage: CDC PLACES 2023 · FEMA NRI v1.20
Educational attainment and income in St. Charles County both run well above the national norm — 42% of adults with a bachelor's degree, median household income near $102,912 — characteristic of an affluent suburban county anchored to a larger regional economy. FEMA's National Risk Index ranks St. Charles County in the top 7% nationally for overall natural-hazard exposure, with tornado activity the dominant local risk.
$102,912
Median Income
household
$296,800
Home Value
median
$1,312/mo
Monthly Rent
median gross
N/A
Unemployment
rate
Income & Housing
| Median Household Income | $102,912 |
| Per Capita Income | $49,859 |
| Poverty Rate | 4.7% |
| Median Home Value | $296,800 |
| Median Gross Rent | $1,312/mo |
| Owner Occupied | 80.7% |
| Renter Occupied | 19.3% |
Demographics & Education
| Total Population | 409,830 |
| Median Age | 39.6 yrs |
| Bachelor's or Higher | 42.4% |
Health Outcomes
CDC PLACES 2023 · % of adults
35.7%
Obesity
8.8%
Diabetes
12.2%
Smoking
28.4%
High Blood Pressure
23.2%
No Physical Activity
23.5%
Depression
40.6%
Insufficient Sleep
76.3%
Annual Checkup
Natural Hazard Risk
FEMA National Risk Index · county-level scores
Overall risk score: 92.6 · 93th national percentile
🌪️ Tornado
96.37
🌀 Hurricane
22.78
🔥 Wildfire
58.81
❄️ Winter Storm
88.99
🌍 Earthquake
94.62
☀️ Drought
32.28
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