Name | Rock County |
State | Wisconsin |
FIPS Code | 55105 |
County Seat | Janesville |
Timezone | Central Daylight Time (CDT) |
Population (2022) | 160,356 |
Population Growth Rate(2000-2022) | 2.09% |
Majority Ethnicity | White 93.29% |
Public School Majority Ethnicity | White 68% |
Partisan Voting Index | Democratic:+4 |
Unemployment Rate (June 2025) | 3.6% |
Area Code(s) | 608 / 262 |
Race/Ethnicity | Percentage of Population (2022) |
---|---|
White | 93.29% |
African American | 5.18% |
Hispanic | 0.23% |
Asian | 1.28% |
Native American | 0.01% |
Hawaiin/Pacific Islander | 0.01% |
Race/Ethnicity | Percentage of Public School Students (2023) |
---|---|
White | 67.76% |
African American | 7.07% |
Hispanic | 16.85% |
Asian | 1.24% |
Native American | 0.24% |
Hawaiin/Pacific Islander | 0.06% |