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Hill County, MT Demographics

Hill County, MT is the 12th most populous of 56 counties in Montana, with 16,309 residents across 2,899 square miles. That is about 6 people per square mile.

At the 2020 census

Population 16,309
Land area 2,899 sq mi
Density 6 / sq mi

Data: 2020 Census · American Community Survey 2024

How Hill 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: Hill County, MT

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

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

Census tracts in Hill County, MT

Name Population Sq mi Per sq mi
Census Tract 404 4,461 13.9 321
Census Tract 403 3,692 11.9 310
Census Tract 405 2,485 1.2 2,136
Census Tract 9403 2,471 138.3 18
Census Tract 402 1,858 1,215.5 2
Census Tract 401 1,342 1,518.7 1

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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 →