Jefferson County , Illinois

Population: 36,808 residents · 2023 Census ACS

Income $61,102 Home $118,400 Rent $862/mo
Page updated: · Data vintage: CDC PLACES 2023 · FEMA NRI v1.20
Sources: CDC PLACES·FEMA NRI·Census ACS · Methodology

Jefferson County's headline indicators land 18% below the national median on income ($61,102), with housing 61% below the US figure ($118,000 typical) — a profile closer to the broad US middle than to either tail of the distribution. FEMA's National Risk Index ranks Jefferson County in the top 23% nationally for overall natural-hazard exposure, with earthquake risk the dominant local risk.

$61,102
Median Income
household
$118,400
Home Value
median
$862/mo
Monthly Rent
median gross
N/A
Unemployment
rate

Income & Housing

Median Household Income $61,102
Per Capita Income $31,541
Poverty Rate 14.2%
Median Home Value $118,400
Median Gross Rent $862/mo
Owner Occupied 71.9%
Renter Occupied 28.1%

Demographics & Education

Total Population 36,808
Median Age 41.1 yrs
Bachelor's or Higher 18.4%

Health Outcomes

CDC PLACES 2023 · % of adults

39.8%
Obesity
13.0%
Diabetes
16.5%
Smoking
33.3%
High Blood Pressure
23.8%
No Physical Activity
22.7%
Depression
37.2%
Insufficient Sleep
75.4%
Annual Checkup

Natural Hazard Risk

FEMA National Risk Index · county-level scores

Relatively Low

Overall risk score: 77.2  ·  77th national percentile

🌪️ Tornado
79.07
🌀 Hurricane
39.13
🔥 Wildfire
9.70
❄️ Winter Storm
86.63
🌍 Earthquake
95.83
☀️ Drought
58.30

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