Brookings County, SD Demographics
Brookings County, SD is the 5th most populous of 66 counties in South Dakota, with 34,375 residents across 792 square miles. That is about 43 people per square mile.
At the 2020 census
| Population | 34,375 |
|---|---|
| Land area | 792 sq mi |
| Density | 43 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Brookings 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: Brookings County, SD
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Brookings County, SD — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Brookings County, SD
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 9589 | 6,471 | 6.5 | 993 |
| Census Tract 9590 | 5,803 | 4.9 | 1,181 |
| Census Tract 9588.03 | 5,677 | 6.0 | 945 |
| Census Tract 9587 | 5,366 | 399.1 | 13 |
| Census Tract 9586 | 4,500 | 360.6 | 12 |
| Census Tract 9588.05 | 3,849 | 14.2 | 270 |
| Census Tract 9588.04 | 2,709 | 0.8 | 3,444 |
Related places
Other counties nearby
Nearest counties
Metro areas containing Brookings 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.