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Population Review

Lewis and Clark County, MT — Population & Demographics

Lewis and Clark County, MT has a population of 72,580. The median household income is $74,543 and the median age is 41.3.

72,580

Population

$74,543

Median Income

$358,200

Median Home Value

41.3

Median Age

Race & Ethnicity

White91.5%
Black or African American0.6%
Asian0.0%
Hispanic or Latino (any race)3.7%
Two or More Races0.0%

Economy & Income

$74,543

Median Household Income

$43,263

Per Capita Income

4.4%

Poverty Rate

2.2%

Unemployment

Housing

$358,200

Median Home Value

$1,062

Median Rent

69.7%

Homeownership

Education

94.9%

High School+

42.8%

Bachelor's+

Frequently Asked Questions

Lewis and Clark County, MT has a population of 72,580 according to Census ACS 2023 data.

The median household income in Lewis and Clark County, MT is $74,543.

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