There are 3 Post Offices in Janesville, Wisconsin, serving a population of 63,957 people in an area of 34 square miles. There is 1 Post Office per 21,319 people, and 1 Post Office per 11 square miles.
In Wisconsin, Janesville is ranked 707th of 922 cities in Post Offices per capita, and 690th of 922 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Janesville Post Offices.
United States Government 20 South Main Street Janesville, WI
United States Postal Service 20 South Main Street Suite 18 Janesville, WI Mailing Service, Postal Services
United States Postal Service 1818 Milton Avenue Suite 100 Janesville, WI Mailing Service, Postal Services