Crest Hill is a city in Lockport Township, Will County, Illinois, United States. The
2010 census put Crest Hill's population at 20,837.
City of Crest Hill Illinois. ... He made his final appearance at a Crest Hill City
Council meeting as Chief of Police and was honored in doing so. The City
Crest Hill, Illinois 60403. Phone: 815-741-5100. Hours: Monday - Friday, 8:00 am
- 5:00 pm. To contact City Hall: Email: firstname.lastname@example.org.