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City dataGovernment & Elections
Lobbyist Data - Contributions
Published by City of Chicago · Updated 10/27/2026 · Daily
- Last updated
- 10/27/2026
- First published 10/20/2015
- Update frequency
- Daily
- Formats
- 3
- CSV, JSON, XML
- Coverage
- Chicago
- City in Illinois
About this dataset
Political contributions by registered lobbyists, who must report every political contribution made to any candidate for City office, any elected official of the City, and any official or employee of the City seeking election to an office other that a City office during the reporting period.
See http://www.cityofchicago.org/city/en/depts/ethics/provdrs/lobby.html for more information on the Board of Ethics' role in regulating and reporting on lobbying in Chicago.
Files and access
Links open the official government source
- CSV downloaddata.cityofchicago.orgCSV
- JSON (SODA API)data.cityofchicago.orgJSON
- XMLdata.cityofchicago.orgXML
API endpoint: https://data.cityofchicago.org/resource/p9p7-vfqc.json
Links open outside websites we do not control.
Frequently asked questions
- Who publishes Lobbyist Data - Contributions?
- City of Chicago publishes this dataset on Chicago Data Portal.
- How often is it updated?
- The publisher lists the update frequency as daily. The last update was on 10/27/2026.
- How do I download it?
- It is available as CSV, JSON, XML. Use the links in Files and access, which open the official government source.
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- Lobbyist - Due DatesCity of AustinA look up table of each due date associated with a lobbyist's quarterly activity report. You can recreate the City Clerk's lobbyist database by downloading all lobbyist datasets on the data portal and view the complete data model of the lobbyist database .CSVJSONXMLUpdated 01/27/2025As needed
- Lobbyist RegistrationsCity of Baltimore · Baltimore CityThe information contained within this data set is a result of a Lobbyist meeting at least one of the following criteria listed within Article 8, Subtitle 8 of the Ethics Law of the City of Baltimore. A person engaged in any of the following must register with CSVGeoJSONShapefileKML+1Updated 01/27/2025
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Where this catalog comes from
- Data.gov CatalogU.S. General Services Administration
- State and local open data portalsSocrata Discovery API
- State and city CKAN portalsCalifornia, Virginia, Boston, Houston and more
- Government ArcGIS Hub sitesCity and county GIS data
Catalog checked 10/30/2026
We list dataset descriptions only. Downloads and APIs link straight to the official government source, which holds the current version and its terms of use.
Source: Chicago Data Portal and Data.gov · Last updated 10/30/2026 · Listing only; the data stays with the publisher
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