Back مقاطعة روك (ولاية ويسكونسن) Arabic Rock County, Wisconsin BAR Рок (окръг, Уисконсин) Bulgarian রক কাউন্টি, উইসকনসিন BPY Rock Gông (Wisconsin) CDO Рок (гуо, Висконсин) CE Rock County (kondado sa Tinipong Bansa, Wisconsin) CEB Rock County, Wisconsin Welsh Rock County (Wisconsin) German Κομητεία Ροκ (Ουισκόνσιν) Greek
Rock County | |
|---|---|
 Rock County Courthouse | |
 Location within the U.S. state of Wisconsin | |
 Wisconsin's location within the U.S. | |
| Coordinates: 42°40′N 89°04′W / 42.67°N 89.07°W | |
| Country |  United States |
| State |  Wisconsin |
| Founded | 1839 |
| Named for | Rock River |
| Seat | Janesville |
| Largest city | Janesville |
| Area | |
| • Total | 726 sq mi (1,880 km2) |
| • Land | 718 sq mi (1,860 km2) |
| • Water | 8.0 sq mi (21 km2) 1.1% |
| Population | |
| • Total | 163,687 |
| • Density | 230/sq mi (87/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional districts | 1st, 2nd |
| Website | www |
Rock County is a county in the U.S. state of Wisconsin. As of the 2020 census, the population was 163,687.[1] Its county seat is Janesville.[2]
- ↑ 1.0 1.1 "QuickFacts: Rock County, Wisconsin". United States Census Bureau. Retrieved January 21, 2024.
- ↑ "Find a County". National Association of Counties. Retrieved June 7, 2011.