Community Data Snapshots Raw Data, July 2021 Release with 2020 Supplement


AUGUST 2021 UPDATE: Recently-released 2020 totals from the Census Bureau's PL-94 (Redistricting) files have been summarized and are available here as "Census 2020 Supplement" tables. Please refer to the accompanying metadata PDF for an explanation of the data provided.

The raw data CSVs from the July 2021 release have not been updated with the 2020 Redistricting totals. To make 2000/2010/2020 comparisons it is recommended that you use the 2000_POP and 2010_POP columns from the original raw data files and the TOT_POP column from the 2020 supplement.


Tables are in Comma Separated Value format and contain the raw data inputs to CMAP’s Community Data Snapshots (CDS) series. Data are compiled from numerous sources including the U.S. Census Bureau’s 2015-2019 American Community Survey (ACS), the Illinois Department of Employment Security, the Illinois Department of Revenue, and CMAP. Separate tables are provided for three geographic levels:

  • The seven counties in the CMAP region (with regional total)
  • The 284 municipalities in the CMAP region
  • The 77 Chicago Community Areas (CCA’s)

There is limited geographic availability (particularly at the CCA level) for some variables. Variable descriptions are available within the “CDS Field Descriptions” pdf.

Please note that the American Community Survey, which comprises much of the data within these tables, is a sample-based data product. Exercise caution when using data from low-population municipalities, as the margins of error are often large compared to the estimate.

Data and Resources

Additional Info

Field Value
Source http://www.cmap.illinois.gov
Author Chicago Metropolitan Agency for Planning
Maintainer CMAP staff
Version 202007
Last Updated August 24, 2021, 18:50
Created August 27, 2015, 19:40