The Illinois Department of Public Health has an excellent dataset generator for every Illinois county and MSA across the state. In addition to disease and mortality statistics, you can integrate a wide variety of related demographic and socioeconomic data.
Slightly dated (2006) writeup of the National Society for the Prevention of Cruelty to Children's "be the full stop" public awareness campaign, which mapped voluteers, donors, and campaign partners in communities on an interactive map.