Whether providing open data from our County systems or maps and information, Cook County is committen to providing transparency and open government. 

Cook County at a Glance highlights accomplishments over the past year for Offices Under the President in Cook County Government. You can read the...

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Home Rule Tax Web (mobile) application

The Home Rule Tax Reward program rewards those individuals who report violations of the Cook...

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Justice Advisory Council Board Members 2019

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Cook Central: Centralizing Maps, Apps, and Data

From property and boundary data, to transportation, social service, and environmental...

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Video Gaming

Cook County now allows establishments licensed to sell alcohol for on-site consumption to install up to 5...

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