Rock County, MN Demographics
Rock County, MN is the 69th most populous of 87 counties in Minnesota, with 9,704 residents across 482 square miles. That is about 20 people per square mile.
At the 2020 census
| Population | 9,704 |
|---|---|
| Land area | 482 sq mi |
| Density | 20 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Rock 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: Rock County, MN
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Rock County, MN — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Rock County, MN
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 5702 | 4,212 | 5.0 | 845 |
| Census Tract 5703 | 3,145 | 165.7 | 19 |
| Census Tract 5701 | 2,347 | 311.8 | 8 |
Related places
Other counties nearby
Nearest counties
Metro areas containing Rock 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.