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Todd County, SD Demographics

Todd County, SD is the 20th most populous of 66 counties in South Dakota, with 9,319 residents across 1,389 square miles. That is about 7 people per square mile.

At the 2020 census

Population 9,319
Land area 1,389 sq mi
Density 7 / sq mi

Data: 2020 Census · American Community Survey 2024

How Todd 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: Todd County, SD

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

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

Census tracts in Todd County, SD

Name Population Sq mi Per sq mi
Census Tract 9402 5,218 915.3 6
Census Tract 9401 4,101 473.3 9

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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 →