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Storm Lake, IA Micro Area Demographics

Storm Lake, IA Micro Area is the 899th most populous of 935 metro areas in the United States, with 20,823 residents across 575 square miles. That is about 36 people per square mile.

At the 2020 census

Population 20,823
Land area 575 sq mi
Density 36 / sq mi

Data: 2020 Census · American Community Survey 2024

How Storm Lake, IA Micro Area compares to the US

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

Central Location: Storm Lake, IA Micro Area

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

We're computing the drive-time and radius areas around Storm Lake, IA Micro Area — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.

Counties in the Storm Lake, IA Micro Area area

Name Population Sq mi Per sq mi
County Buena Vista 20,823 574.9 36

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About this page

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

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

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