There are 2 Post Offices in Walnut Hill, Illinois, serving a population of 154 people in an area of 1 square miles. There is 1 Post Office per 77 people, and 1 Post Office per square mile.
In Illinois, Walnut Hill is ranked 135th of 1547 cities in Post Offices per capita, and 160th of 1547 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Walnut Hill Post Offices.
US Post Office 61 Harrison Street Walnut Hill, IL
United States Postal Service 61 Harrison Street Walnut Hill, IL Freight Trucking, Logistics, Mailing Service, Postal Services