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Roberts County, SD Demographics

Roberts County, SD is the 17th most populous of 66 counties in South Dakota, with 10,280 residents across 1,101 square miles. That is about 9 people per square mile.

At the 2020 census

Population 10,280
Land area 1,101 sq mi
Density 9 / sq mi

Data: 2020 Census · American Community Survey 2024

How Roberts 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: Roberts County, SD

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

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

Census tracts in Roberts County, SD

Name Population Sq mi Per sq mi
Census Tract 9404 3,099 17.4 178
Census Tract 9408 2,861 375.7 8
Census Tract 9407 2,521 499.5 5
Census Tract 9504 1,799 208.4 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 →