Boundary data sources

Chicago community areas

Community-area boundaries are provided by the City of Chicago Data Portal, accessed 7 October 2026. They are used to check whether listings fall within an area. See the City's data terms of use.

This site provides applications using data that has been modified for use from its original source, www.cityofchicago.org, the official website of the City of Chicago. The City of Chicago makes no claims as to the content, accuracy, timeliness, or completeness of any of the data provided at this site. The data provided at this site is subject to change at any time. It is understood that the data provided at this site is being used at one's own risk.