About Us

Cook County Department of Public Health is the nationally accredited, state-certified local health department serving 2.3 million residents in suburban Cook County. We are your local health department.

We build healthier, more equitable communities by protecting health, preventing disease, engaging communities, and analyzing and sharing data for action. We are responsible for protecting the health and optimizing the conditions for health and wellness for suburban Cook County residents through regulatory enforcement, monitoring and responding to public health threats, policy and systems change, referrals to health and social services, and community partnerships to address upstream drivers of health.

We are an affiliate of Cook County Health
Cook County Department of Public Health is a division of Cook County Health, one of the largest public safety net health care systems in the country.

We Serve Suburban Cook County
The Cook County Department of Public Health (CCDPH) is the local health department for most of suburban Cook County. We serve all suburban communities unless they are served by their own Illinois Department of Public Health-certified local health department. You can find a map and listings of the suburbs we serve.