Sponsored Listings:
Afton Post Office
5316 S County Road D
Afton, Wisconsin 53501
Avalon Post Office
3109 S Pleasant St
Avalon, Wisconsin 53505
Beloit Post Office
300 Mill St
Beloit, Wisconsin 53511
Clinton Post Office
243 Allen St
Clinton, Wisconsin 53525
Downtown Janesville Post Office
20 S Main St Ste 18
Janesville, Wisconsin 53545
Edgerton Post Office
104 Swift St
Edgerton, Wisconsin 53534
Evansville Post Office
16 S 1st St
Evansville, Wisconsin 53536
Footville Post Office
212 Depot St
Footville, Wisconsin 53537
Janesville Post Office
1818 Milton Ave Ste 100
Janesville, Wisconsin 53545
Milton Post Office
150 Hilltop Dr
Milton, Wisconsin 53563
Orfordville Post Office
108 N Richards St
Orfordville, Wisconsin 53576
Rock County
There are 11 US Post Offices in Rock County serving a total of 133,435 residents equating to 12,130 residents per post office. It's estimated that approximately 212,977 packages are handled across the 11 county post offices annually. Rock County is a county in the U.S. state of Wisconsin. As of the 2010 census, the population was 160,331. Its county seat is Janesville. Rock County comprises the Janesville-Beloit, WI Metropolitan Statistical Area and is included in the Madison-Janesville-Beloit, WI Combined Statistical Area."