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Spencer-Spirit Lake, IA Combined Statistical Area Demographics

Spencer-Spirit Lake, IA Combined Statistical Area is the 184th most populous of 184 combined statistical areas in the United States, with 34,087 residents across 948 square miles. That is about 36 people per square mile.

At the 2020 census

Population 34,087
Land area 948 sq mi
Density 36 / sq mi

Data: 2020 Census · American Community Survey 2024

How Spencer-Spirit Lake, IA Combined Statistical Area compares to the US

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Central Location: Spencer-Spirit Lake, IA Combined Statistical Area

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

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Counties in the Spencer-Spirit Lake, IA Combined Statistical Area area

Name Population Sq mi Per sq mi
County Dickinson 17,703 380.6 47
County Clay 16,384 567.2 29

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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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