COOK COUNTY ARCHIVES

Cook County Historic Archives & Records Office

MISSION 

The Cook County Historic Archives and Records Office (CARO) is responsible for compiling the history of Cook County Government and explaining the role the County played in the growth and development of the region, state and nation. CARO documents the significance of each County agency, providing a greater understanding for County residents and employees of the importance of each agency’s role in County government, past and present. 

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