In 2020, Rock County, MN had a population of 9.39k people with a median age of 41 and a median household income of $65,744. Between 2019 and 2020 the population of Rock County, MN declined from 9,402 to 9,386, a −0.17% decrease and its median household income grew from $63,005 to $65,744, a 4.35% increase.
The 5 largest ethnic groups in Rock County, MN are White (Non-Hispanic) (93.2%), White (Hispanic) (2.86%), Asian (Non-Hispanic) (1.09%), Two+ (Non-Hispanic) (1.04%), and American Indian & Alaska Native (Non-Hispanic) (0.82%).
None of the households in Rock County, MN reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
99% of the residents in Rock County, MN are U.S. citizens.
In 2020, the median property value in Rock County, MN was $160,700, and the homeownership rate was 74.7%. Most people in Rock County, MN drove alone to work, and the average commute time was 19.6 minutes. The average car ownership in Rock County, MN was 2 cars per household.