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Population Review

Jefferson County, MT — Population & Demographics

Jefferson County, MT has a population of 12,501. The median household income is $76,576 and the median age is 47.3.

12,501

Population

$76,576

Median Income

$408,000

Median Home Value

47.3

Median Age

Race & Ethnicity

White92.8%
Black or African American0.1%
Asian0.0%
Hispanic or Latino (any race)3.9%
Two or More Races0.0%

Economy & Income

$76,576

Median Household Income

$43,037

Per Capita Income

2.7%

Poverty Rate

1.7%

Unemployment

Housing

$408,000

Median Home Value

$886

Median Rent

83.1%

Homeownership

Education

94.0%

High School+

32.7%

Bachelor's+

Frequently Asked Questions

Jefferson County, MT has a population of 12,501 according to Census ACS 2023 data.

The median household income in Jefferson County, MT is $76,576.

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