The Alzheimer's Association is the leading voluntary health organization in Alzheimer's care, support, and research. The Illinois Chapter serves 87 counties, with offices in Bloomington, Marion, Chicago, Joliet, Peoria, Quincy, Rockford, and Springfield. Since 1980, the Association has provided reliable information and care consultation; created supportive services for families; increased funding for dementia research; and influenced public policy changes across the state.