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Marion County
Demographics

Demographics in Marion County with map view

Metro Area

37,543

Population

2,795,504

St. Louis Metro Area

Population Density

Median Age

St. Louis Metro Area

Age Distribution

Metro Area

Baby Boomers (Age 55+)

40%

38%

Gen X (Age 41-55)

12%

Millennials (Age 20-40)

23%

26%

Gen Z (Age 0-19)

25%

24%

Gender

Male

49%

Female

51%

Race & Ethnicity

Metro Area

White

90%

71%

Asian

Black

17%

Two or more races

Community

Metro Area

Married

50%

Single

28%

33%

Divorced

14%

11%

Widowed

Language

English Only

98%

Spanish

Health Insurance Coverage By Age

Total Coverage

98%

Under 19 years

24%

19 to 60 years

55%

60 years and over

19%

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Marion County, IL

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