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Population Review

Gallatin County, MT — Population & Demographics

Gallatin County, MT has a population of 122,194. The median household income is $87,454 and the median age is 33.8.

122,194

Population

$87,454

Median Income

$604,900

Median Home Value

33.8

Median Age

Race & Ethnicity

White89.7%
Black or African American0.5%
Asian0.1%
Hispanic or Latino (any race)2.0%
Two or More Races0.0%

Economy & Income

$87,454

Median Household Income

$51,148

Per Capita Income

4.1%

Poverty Rate

1.7%

Unemployment

Housing

$604,900

Median Home Value

$1,574

Median Rent

61.5%

Homeownership

Education

97.2%

High School+

53.1%

Bachelor's+

Frequently Asked Questions

Gallatin County, MT has a population of 122,194 according to Census ACS 2023 data.

The median household income in Gallatin County, MT is $87,454.

Data from the American Community Survey (ACS) 5-Year estimates.