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Corson County, SD Demographics

Corson County, SD is the 41st most populous of 66 counties in South Dakota, with 3,902 residents across 2,470 square miles. That is about 2 people per square mile.

At the 2020 census

Population 3,902
Land area 2,470 sq mi
Density 2 / sq mi

Data: 2020 Census · American Community Survey 2024

How Corson 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: Corson County, SD

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

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

Census tracts in Corson County, SD

Name Population Sq mi Per sq mi
Census Tract 9411 2,240 540.0 4
Census Tract 9410 1,662 1,929.7 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 →