This Municipality feature class interprets the location and describes the boundaries of all municipalities and unincorporated areas within the borders of Cook County. Attribution for this feature class includes a municipality name and agency description.

This is an archive of bid tabulations before June 2016. For current bid tabulations see https://datacatalog.cookcountyil.gov/d/32au-zaqn. The bid tabulations provided herein are preliminary and are for informational purposes only. The purpose of providing this preliminary information is to improve process transparency. The information contained in the preliminary bid tabulations is subject to change pending math review, analysis of all bids, and review of documentation provided.

Bids: All bids estimated at $25,000 or more are publicly opened and read at the time, date, and place specified in the bid document.

RFP/RFQ/RFI: Responses to RFP/RFQ/RFI are not publicly opened. Names of respondents will be made available based on the names identified on the sealed package and is, therefore, subject to change.

The Parcel 2013 feature contains tax parcel polygons for the 2013 property tax assessment at the County. This feature reflects tax parcel polygons as they existed from 1/1/2013 through 12/31/2013. Each parcel is uniquely identified with a Property Index Number (PIN).

Data last updated September 8th, 2011

The official statements below provide detailed information about the outstanding bonds issued by the County. The full faith and credit of the County is pledged to the punctual payment of the principal and of interest on General Obligation bonds, with a pledge of home rule sales tax revenues securing the associated sales tax revenue bond issues.

The Street Midlines in this feature class represent the interpreted midline between the compiled edges of pavement. Unimproved rights-of-way are also included in this database.

This data set includes property locations and attached spatial data for all Cook County parcels. Spatial matching was based on parcel centroids. Older properties may be missing latitude and longitude data because they are not contained in the most recent parcel shape layer. Brand new properties may be missing a mailing/property address because the postal service has not yet assigned the property an address. Data attached to each PIN is the most recent available. For example, Census tract data is drawn from the 2014-2018 5-year American Community Survey.

The code and sources used to construct this data can be located on GitLab. See data notes for link.