Rock County, Minnesota Population By Race and Ethnicity in 2021 (ACS-5Yrs)

Updated on February 28, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the total Rock County, MN population was 9,718. The White Alone racial group had the highest population (9.27K) and constituted 95.36% of the total Rock County population. The Two Or More Races racial group had the second highest population (256) and constituted 2.63% of the population. The third highest racial group was American Indian and Alaska Native Alone (63), constituting 0.65% of the population.

The population of the Non-Hispanic White Alone ethnicity group was 9.02K and constituted 92.82% of the population. The population of the Hispanic or Latino of All Races ethnicity group was (323) and constituted 3.32% of the population.

The charts and tables below shows the population and percentages by race and ethnicity.

Note: Missing racial or ethnicity groups means there was not enough information for an estimate.

You can also see similar information for other Minnesota counties, and for Minnesota.

Data Source: US Census - ACS 5-Year Estimates.

Rock County, Minnesota Population By Race in 2021

White Alone

Two Or More Races

American Indian and Alaska Native Alone

Asian Alone

Black or African American Alone

Some Other Race Alone

Rock County, Minnesota Population By Ethnicity in 2021

Non-Hispanic White Alone

Hispanic or Latino of All Races

Rock County, Minnesota Population By Race in 2021

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Race	Population	% of Total Pop.
White Alone	9267	95.36
Two Or More Races	256	2.63
American Indian and Alaska Native Alone	63	0.65
Asian Alone	59	0.61
Black or African American Alone	40	0.41
Some Other Race Alone	33	0.34

Rock County, Minnesota Population By Ethnicity in 2021

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Ethnicity	Population	% of Total Pop.
Non-Hispanic White Alone	9020	92.82
Hispanic or Latino of All Races	323	3.32