Chicago Data Portal FAQ
- Introduction
- - - Finding Existing Answers
- - - City Department Questions
- - - Data Not on the Data Portal
- - - Using the Data Portal
- Table of Contents
- Navigating the Data Portal
- - - Why can't I search for a location on a map anymore?
- - - Why does this map go blank?
- Finding Data
- - - How can I find specific records in a dataset?
- Using Data On the Data Portal
- - - What do those "computed region" columns in some dataset views mean?
- - - What projection or coordinate system is used in this dataset?
- Using Data Outside the Data Portal
- - - How can I get a copy of the data in a dataset?
- - - How big will the export of this dataset be?
- - - Why can't I download a map as a shapefile or other geographic format, anymore?
- - - May I use the data in a dataset for a specific purpose?
- Non-Data Questions
- - - Why do I get an error for links to some articles?
- - - Why was I deactivated as a Transportation Network Provider (ride hail) driver?
- No Longer Frequently Asked Questions
- - - What does "This surface will be retired" mean?