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US
IA
Johnson County
Demographics

Demographics in Johnson County with map view

157,528

Population

246

Population Density

Median Age

Age Distribution

Metro Area

Baby Boomers (Age 55+)

28%

Gen X (Age 41-55)

11%

Millennials (Age 20-40)

36%

Gen Z (Age 0-19)

25%

Gender

Male

49%

Female

51%

Race & Ethnicity

Metro Area

White

75%

Asian

Black

Two or more races

Community

Metro Area

Married

44%

Single

45%

Divorced

Widowed

Language

English Only

86%

Spanish

Indo-European

Asian/Islander

Other Languages

Health Insurance Coverage By Age

Total Coverage

99%

Under 19 years

22%

19 to 60 years

64%

60 years and over

13%

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Johnson County, IA

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