This check register provides a cumulative record of payments to County suppliers, vendors and other payees as approved by the Cook County Board of Commissioners. Data covers December 2009 through November 2016. For data after November 2016 click here: https://datacatalog.cookcountyil.gov/Finance-Administration/Cook-County-Check-Register/4h27-5s9x

Annual salaries paid to employees by the Cook County Comptroller as of August 28, 2014. For 2015 data see https://datacatalog.cookcountyil.gov/d/9tzu-m4zi.

All Cook County Tweets, starting in 2011 to 12/31/2013. As measured by Crowdbooster.

Information updated on July 23, 2015.

Annual salaries paid to employees by the Cook County Comptroller as of March 5, 2013. Does not include deduction for furlough or closure days for employees subject to furloughs and closures. Does not include amounts paid by other governmental entities. For 2014 salaries see https://datacatalog.cookcountyil.gov/resource/hdna-35se

2013 Appropriation by Department and Account. Data from 01/10/13.

From the Department of Administrative Hearing, a dataset on the top 5 Animal Control Violations by ordinance.

From the Department of Environmental Control, a list of Asbestos Abatement Permits for 3Q 2012.

From the Department of Environmental Control, a dataset of asbestos demolition permits for 3Q 2012.