The Cook County Treasurer's Office is located at 118 N. Clark St., Room 112, Chicago, IL 60602, as of August 2015. The office's telephone number is (312) 443-5100, and the office is available by email through its website.
Services provided by the treasurer's office include accepting property-tax payments, providing tax exemptions for senior residents and current and former military members, and giving information about a large range of services.
Maria Pappas is Cook County's treasurer, as of August 2015.
Cook County has 128 municipalities, with Chicago as the county seat. It is the second most populous county in the United States, with about 5.3 million residents.