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Lincoln County, MT Demographics

Lincoln County, MT is the 10th most populous of 56 counties in Montana, with 19,677 residents across 3,613 square miles. That is about 5 people per square mile.

At the 2020 census

Population 19,677
Land area 3,613 sq mi
Density 5 / sq mi

Data: 2020 Census · American Community Survey 2024

How Lincoln 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: Lincoln County, MT

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

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

Census tracts in Lincoln County, MT

Name Population Sq mi Per sq mi
Census Tract 3 3,899 720.4 5
Census Tract 4.01 3,842 826.5 5
Census Tract 5 3,435 1,042.6 3
Census Tract 1 3,389 982.7 3
Census Tract 4.02 2,628 39.0 67
Census Tract 2 2,484 1.3 1,944

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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 →