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Crime rates by community area
The seventy-seven Chicago community areas were defined cooperatively by the U.S. Census Bureau and the University of Chicago Department of Sociology following the 1920 Census. Although there have been substantial changes in population and infrastructure since then, the community areas remain the most widely used geographic units by Chicago planning agencies, advocacy groups, and service providers.

The table below shows population, crime totals and per capita crime rates by community area for 2020, the most recent Census year.