Demographics in Johnson County with map view
22,631
Population
86
Population Density
42
Median Age
Age Distribution
Metro Area
Baby Boomers (Age 55+)
40%
Gen X (Age 41-55)
13%
Millennials (Age 20-40)
23%
Gen Z (Age 0-19)
24%
Gender
Male
50%
Female
50%
Race & Ethnicity
Metro Area
White
96%
Asian
1%
Two or more races
1%
Community
Metro Area
Married
57%
Single
22%
Divorced
15%
Widowed
7%
Language
English Only
98%
Asian/Islander
1%
Health Insurance Coverage By Age
Total Coverage
98%
Under 19 years
23%
19 to 60 years
57%
60 years and over
18%
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