There are 2 Post Offices in Jacksonville, Illinois, serving a population of 18,812 people in an area of 11 square miles. There is 1 Post Office per 9,406 people, and 1 Post Office per 5 square miles.
In Illinois, Jacksonville is ranked 977th of 1547 cities in Post Offices per capita, and 985th of 1547 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Jacksonville Post Offices.
United States Postal Service 200 West Court Street Jacksonville, IL Mailing Service, Postal Services
Usps Contract Postal Unit 1122 Veterans Drive Jacksonville, IL