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Deer Lodge County, MT Demographics

Deer Lodge County, MT is the 22nd most populous of 56 counties in Montana, with 9,421 residents across 737 square miles. That is about 13 people per square mile.

At the 2020 census

Population 9,421
Land area 737 sq mi
Density 13 / sq mi

Data: 2020 Census · American Community Survey 2024

How Deer Lodge County compares to the US

We're computing this county's comparison table — check back shortly. Population, land area, and density above are already exact.

Central Location: Deer Lodge County, MT

Measured from the county's main population center using 2020 census blocks.

We're computing the drive-time and radius areas around Deer Lodge County, MT — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.

Census tracts in Deer Lodge County, MT

Name Population Sq mi Per sq mi
Census Tract 4 3,405 15.5 220
Census Tract 3 3,022 55.3 55
Census Tract 5 2,994 665.9 4

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About this page

This page shows demographics for a US county from the 2020 census and the American Community Survey: population, land area, density, urban share, and how the county compares to national averages for income, housing, age, and more.

Counties subdivide into census tracts, listed below with their populations. The drive-time and radius tables measure the population around the county's main population center.

Read how BlockAtlas computes population within an area →