Johnson County , Iowa
Population: 154,881 residents · 2023 Census ACS
Income $74,721 Home $293,100 Rent $1,104/mo
Page updated: · Data vintage: CDC PLACES 2023 · FEMA NRI v1.20
Johnson County's headline indicators land 0% above the national median on income ($74,721), with housing 4% below the US figure ($293,000 typical) — a profile closer to the broad US middle than to either tail of the distribution. FEMA's National Risk Index ranks Johnson County in the top 13% nationally for overall natural-hazard exposure, with tornado activity the dominant local risk.
$74,721
Median Income
household
$293,100
Home Value
median
$1,104/mo
Monthly Rent
median gross
N/A
Unemployment
rate
Income & Housing
| Median Household Income | $74,721 |
| Per Capita Income | $44,699 |
| Poverty Rate | 16.7% |
| Median Home Value | $293,100 |
| Median Gross Rent | $1,104/mo |
| Owner Occupied | 58.8% |
| Renter Occupied | 41.2% |
Demographics & Education
| Total Population | 154,881 |
| Median Age | 30.8 yrs |
| Bachelor's or Higher | 54.6% |
Health Outcomes
CDC PLACES 2023 · % of adults
30.4%
Obesity
8.8%
Diabetes
12.3%
Smoking
30.8%
High Blood Pressure
18.1%
No Physical Activity
21.0%
Depression
29.5%
Insufficient Sleep
77.5%
Annual Checkup
Natural Hazard Risk
FEMA National Risk Index · county-level scores
Overall risk score: 87.4 · 87th national percentile
🌪️ Tornado
98.19
🌀 Hurricane
13.60
🔥 Wildfire
64.38
❄️ Winter Storm
87.87
🌍 Earthquake
45.07
☀️ Drought
81.77
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