There are 2 Post Offices in Olney, Illinois, serving a population of 8,910 people in an area of 8 square miles. There is 1 Post Office per 4,455 people, and 1 Post Office per 3 square miles.
In Illinois, Olney is ranked 852nd of 1547 cities in Post Offices per capita, and 901st of 1547 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Olney Post Offices.
US Post Office 330 South Whittle Avenue Olney, IL
United States Postal Service 330 South Whittle Avenue Olney, IL Mailing Service, Postal Services