| Year | Population |
|---|---|
| 1980. | 136458 |
| 1990. | 139510 |
| 2000. | 152307 |
| 2010. | 160331 |
www.co.rock.wi.us
Wisconsin
Rock County
County
55105
County seat is in Janesville
Founded in 1836
Area: 720 square miles
County board has 29 members
FIPS code: 55105
Zipcodes in Rock County: 53563, 53501, 53512, 53576, 53542, 53546, 53547, 53537, 53548, 53536, 53505, 53534, 53511, 53545, 53525
Arnold Eva
Beaver Mary
Bishop Jennifer
Bostwick Richard
Brill Hank
No associations
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Profile ID: LFUS-COU-O-27