Rock County Population 2018

Rock County's estimated population is 9,490 with a growth rate of 0.82% in the past year according to the most recent United States census data. Rock County is the 70th largest county in Minnesota.

Year Population Growth Growth Rate
20179,490770.82%
20169,413-39-0.41%
20159,452680.72%
20149,384-44-0.47%
20139,428-53-0.56%
20129,481-118-1.23%
20119,599-59-0.61%
20109,658-148-1.51%
19909,806-897-8.38%
198010,703-643-5.67%
197011,346-518-4.37%
196011,8645865.20%
195011,2783453.16%
194010,933-29-0.26%
193010,962-3-0.03%
192010,9657437.27%
191010,2225545.73%
19009,6682,85141.82%
18906,8173,14885.80%
18803,6693,5312558.70%
1870138115500.00%
1860230.00%

Rock County Population Growth

Population Data via

Rock County Race Data

Race Population Percentage
White9,28697.85%
Two or More Races1251.32%
Asian720.76%
Black or African American660.70%
American Indian and Alaska Native580.61%
Native Hawaiian and Other Pacific Islander10.01%

Rock County Population Pyramid

0k0k0k0k0k Male Population0k0k0k0k0k Female Population8580757065605550454035302520151050
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990