All counties →

Davison County, SD Demographics

Davison County, SD is the 10th most populous of 66 counties in South Dakota, with 19,956 residents across 436 square miles. That is about 46 people per square mile.

At the 2020 census

Population 19,956
Land area 436 sq mi
Density 46 / sq mi

Data: 2020 Census · American Community Survey 2024

How Davison 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: Davison County, SD

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

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

Census tracts in Davison County, SD

Name Population Sq mi Per sq mi
Census Tract 9627 5,845 33.2 176
Census Tract 9629 5,052 22.1 228
Census Tract 9628.02 3,131 2.5 1,266
Census Tract 9628.01 3,063 0.8 3,702
Census Tract 9626 2,865 377.0 8

Related places

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 →