In 2017, Rock County, MN had a population of 9.43k people with a median age of 40.9 and a median household income of $56,753. Between 2016 and 2017 the population of Rock County, MN declined from 9,554 to 9,433, a -1.27% decrease and its median household income grew from $52,835 to $56,753, a 7.42% increase.
The population of Rock County, MN is 94.1% White Alone, 2.82% Hispanic or Latino, and 1.01% Black or African American Alone. N/A% of the people in Rock County, MN speak a non-English language, and 99% are U.S. citizens.
The median property value in Rock County, MN is $133,600, and the homeownership rate is 74.5%. Most people in Rock County, MN commute by Drove Alone, and the average commute time is 18 minutes. The average car ownership in Rock County, MN is 2 cars per household.