Rock County Wisconsin Map and Data

Rock County Wisconsin Boundary Map

Rock County Wisconsin Profile and Data

NameRock County
StateWisconsin
FIPS Code55105
County SeatJanesville
TimezoneCentral Daylight Time (CDT)
Population (2022)160,356
Population Growth Rate(2000-2022)2.09%
Majority EthnicityWhite 93.29%
Public School Majority EthnicityWhite 68%
Partisan Voting IndexDemocratic:+4
Unemployment Rate (June 2025)3.6%
Area Code(s)608 / 262

Rock County Race/Ethnicity Data

Race/EthnicityPercentage of Population (2022)
White93.29%
African American5.18%
Hispanic0.23%
Asian1.28%
Native American0.01%
Hawaiin/Pacific Islander0.01%

Rock County Public School Race/Ethnicity Data

Race/EthnicityPercentage of Public School Students (2023)
White67.76%
African American7.07%
Hispanic16.85%
Asian1.24%
Native American0.24%
Hawaiin/Pacific Islander0.06%
2025 zipdatamaps.com