Johnson County , Illinois
Population: 13,350 residents · 2023 Census ACS
Income $65,203 Home $148,200 Rent $634/mo
Page updated: · Data vintage: CDC PLACES 2023 · FEMA NRI v1.20
Across 13,350 residents, Johnson County tracks on the more affordable end of national norms — useful as a comparison anchor for Illinois and neighboring counties alike. CDC PLACES data shows adult obesity in Johnson County at 42%, well above the US figure — a marker of broader health-system access and economic conditions in the area.
$65,203
Median Income
household
$148,200
Home Value
median
$634/mo
Monthly Rent
median gross
N/A
Unemployment
rate
Income & Housing
| Median Household Income | $65,203 |
| Per Capita Income | $28,028 |
| Poverty Rate | 16.7% |
| Median Home Value | $148,200 |
| Median Gross Rent | $634/mo |
| Owner Occupied | 84.7% |
| Renter Occupied | 15.3% |
Demographics & Education
| Total Population | 13,350 |
| Median Age | 42.7 yrs |
| Bachelor's or Higher | 18.8% |
Health Outcomes
CDC PLACES 2023 · % of adults
41.9%
Obesity
11.3%
Diabetes
17.4%
Smoking
38.4%
High Blood Pressure
26.4%
No Physical Activity
22.0%
Depression
38.8%
Insufficient Sleep
75.3%
Annual Checkup
Natural Hazard Risk
FEMA National Risk Index · county-level scores
Overall risk score: 51.1 · 51th national percentile
🌪️ Tornado
56.04
🌀 Hurricane
38.09
🔥 Wildfire
11.26
❄️ Winter Storm
64.61
🌍 Earthquake
91.00
☀️ Drought
52.54
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