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Glacier County, MT Demographics

Glacier County, MT is the 13th most populous of 56 counties in Montana, with 13,778 residents across 2,995 square miles. That is about 5 people per square mile.

At the 2020 census

Population 13,778
Land area 2,995 sq mi
Density 5 / sq mi

Data: 2020 Census · American Community Survey 2024

How Glacier 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: Glacier County, MT

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

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

Census tracts in Glacier County, MT

Name Population Sq mi Per sq mi
Census Tract 9402 5,670 10.8 526
Census Tract 9404 4,270 2,159.9 2
Census Tract 9760 3,782 256.9 15
Census Tract 9800 56 567.6 0

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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 →