There are 2 Post Offices in Grafton, Wisconsin, serving a population of 11,576 people in an area of 6 square miles. There is 1 Post Office per 5,788 people, and 1 Post Office per 2 square miles.
In Wisconsin, Grafton is ranked 626th of 922 cities in Post Offices per capita, and 526th of 922 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Grafton Post Offices.
US Post Office 1600 Port Washington Road Grafton, WI Mailing Service, Postal Services
United States Postal Service 1817 Highland Drive Grafton, WI Mailing Service, Postal Services