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US
MT
Gallatin County
Demographics

Demographics in Gallatin County with map view

126,409

Population

Population Density

Median Age

Age Distribution

Metro Area

Baby Boomers (Age 55+)

29%

Gen X (Age 41-55)

13%

Millennials (Age 20-40)

36%

Gen Z (Age 0-19)

22%

Gender

Male

53%

Female

47%

Race & Ethnicity

Metro Area

White

87%

Asian

Two or more races

Community

Metro Area

Married

52%

Single

37%

Divorced

Widowed

Language

English Only

93%

Spanish

Indo-European

Asian/Islander

Health Insurance Coverage By Age

Total Coverage

99%

Under 19 years

20%

19 to 60 years

66%

60 years and over

14%

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Gallatin County, MT

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