DeKalb County , Illinois
Population: 100,512 residents · 2023 Census ACS
Income $69,022 Home $231,900 Rent $1,041/mo
Page updated: · Data vintage: CDC PLACES 2023 · FEMA NRI v1.20
Across 100,512 residents, DeKalb County tracks on the more affordable end of national norms — useful as a comparison anchor for Illinois and neighboring counties alike. FEMA's National Risk Index ranks DeKalb County in the top 19% nationally for overall natural-hazard exposure, with tornado activity the dominant local risk.
$69,022
Median Income
household
$231,900
Home Value
median
$1,041/mo
Monthly Rent
median gross
N/A
Unemployment
rate
Income & Housing
| Median Household Income | $69,022 |
| Per Capita Income | $35,054 |
| Poverty Rate | 15.9% |
| Median Home Value | $231,900 |
| Median Gross Rent | $1,041/mo |
| Owner Occupied | 60.9% |
| Renter Occupied | 39.1% |
Demographics & Education
| Total Population | 100,512 |
| Median Age | 32.6 yrs |
| Bachelor's or Higher | 32.7% |
Health Outcomes
CDC PLACES 2023 · % of adults
35.1%
Obesity
10.3%
Diabetes
12.6%
Smoking
31.6%
High Blood Pressure
23.3%
No Physical Activity
23.0%
Depression
35.3%
Insufficient Sleep
75.9%
Annual Checkup
Natural Hazard Risk
FEMA National Risk Index · county-level scores
Overall risk score: 80.8 · 81th national percentile
🌪️ Tornado
88.10
🌀 Hurricane
19.65
🔥 Wildfire
6.42
❄️ Winter Storm
32.65
🌍 Earthquake
75.76
☀️ Drought
74.75
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