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Montrose County, CO Demographics

Montrose County, CO is the 17th most populous of 64 counties in Colorado, with 42,679 residents across 2,241 square miles. That is about 19 people per square mile.

At the 2020 census

Population 42,679
Land area 2,241 sq mi
Density 19 / sq mi

Data: 2020 Census · American Community Survey 2024

How Montrose 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: Montrose County, CO

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

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

Census tracts in Montrose County, CO

Name Population Sq mi Per sq mi
Census Tract 9666.01 5,362 6.5 822
Census Tract 9664.02 5,099 2.1 2,416
Census Tract 9666.02 4,692 223.9 21
Census Tract 9662.02 4,460 252.1 18
Census Tract 9665.02 4,280 3.0 1,406
Census Tract 9663.02 3,812 3.7 1,033
Census Tract 9665.03 3,543 28.3 125
Census Tract 9665.01 3,019 234.4 13
Census Tract 9662.01 2,753 375.2 7
Census Tract 9663.01 2,306 0.7 3,222
Census Tract 9661 2,178 1,110.1 2
Census Tract 9664.01 1,175 0.9 1,351

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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 →