Yankton County, SD Demographics
Yankton County, SD is the 9th most populous of 66 counties in South Dakota, with 23,310 residents across 521 square miles. That is about 45 people per square mile.
At the 2020 census
| Population | 23,310 |
|---|---|
| Land area | 521 sq mi |
| Density | 45 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Yankton 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: Yankton County, SD
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Yankton County, SD — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Yankton County, SD
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 9663.02 | 6,791 | 3.4 | 2,020 |
| Census Tract 9662 | 5,723 | 21.0 | 273 |
| Census Tract 9663.01 | 4,126 | 38.4 | 107 |
| Census Tract 9664 | 3,663 | 457.4 | 8 |
| Census Tract 9661 | 3,007 | 1.0 | 2,943 |
Related places
Other counties nearby
Nearest counties
Metro areas containing Yankton County
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.