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Huntsville-Decatur-Albertville, AL-TN Combined Statistical Area Demographics

Huntsville-Decatur-Albertville, AL-TN Combined Statistical Area is the 68th most populous of 184 combined statistical areas in the United States, with 852,756 residents across 4,549 square miles. That is about 187 people per square mile.

At the 2020 census

Population 852,756
Land area 4,549 sq mi
Density 187 / sq mi

Data: 2020 Census · American Community Survey 2024

How Huntsville-Decatur-Albertville, AL-TN Combined Statistical Area compares to the US

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

Central Location: Huntsville-Decatur-Albertville, AL-TN Combined Statistical Area

Measured from the combined statistical area's main population center using 2020 census blocks.

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Counties in the Huntsville-Decatur-Albertville, AL-TN Combined Statistical Area area

Name Population Sq mi Per sq mi
Madison County, AL 388,153 801.6 484
County Morgan 123,421 579.3 213
Limestone County, AL 103,565 560.0 185
Marshall County, AL 97,612 565.8 173
DeKalb County, AL 71,608 777.1 92
Lincoln County, TN 35,324 570.3 62
County Lawrence 33,073 690.7 48

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About this page

This page shows demographics for a US combined statistical area from the 2020 census and the American Community Survey: population, land area, density, and how the region compares to national averages.

Combined areas are built from whole counties, listed below. Statistics aggregate the member counties' census tracts.

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