Jefferson County , Missouri
Population: 228,227 residents · 2023 Census ACS
Income $80,522 Home $218,800 Rent $972/mo
Page updated: · Data vintage: CDC PLACES 2023 · FEMA NRI v1.20
Across 228,227 residents, Jefferson County tracks with a mixed cost-and-earnings profile — useful as a comparison anchor for Missouri and neighboring counties alike. FEMA's National Risk Index ranks Jefferson County in the top 9% nationally for overall natural-hazard exposure, with tornado activity the dominant local risk.
$80,522
Median Income
household
$218,800
Home Value
median
$972/mo
Monthly Rent
median gross
N/A
Unemployment
rate
Income & Housing
| Median Household Income | $80,522 |
| Per Capita Income | $37,869 |
| Poverty Rate | 8.6% |
| Median Home Value | $218,800 |
| Median Gross Rent | $972/mo |
| Owner Occupied | 81.4% |
| Renter Occupied | 18.6% |
Demographics & Education
| Total Population | 228,227 |
| Median Age | 40.2 yrs |
| Bachelor's or Higher | 23.6% |
Health Outcomes
CDC PLACES 2023 · % of adults
39.7%
Obesity
9.4%
Diabetes
16.5%
Smoking
35.5%
High Blood Pressure
27.7%
No Physical Activity
23.9%
Depression
36.7%
Insufficient Sleep
78.7%
Annual Checkup
Natural Hazard Risk
FEMA National Risk Index · county-level scores
Overall risk score: 90.5 · 91th national percentile
🌪️ Tornado
95.10
🌀 Hurricane
23.65
🔥 Wildfire
53.05
❄️ Winter Storm
84.09
🌍 Earthquake
93.42
☀️ Drought
22.30
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