Checked
City dataBudget & Spending
Registered Taxpayers
Published by City of Chicago · Updated 10/30/2026 · Daily
- Last updated
- 10/30/2026
- First published 02/03/2022
- Update frequency
- Daily
- Formats
- 3
- CSV, JSON, XML
- Coverage
- Chicago
- City in Illinois
About this dataset
Entities currently registered with the Chicago Department of Finance to pay or collect and remit a City of Chicago tax administered by that department.
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/mxx7-qhgq.json
Links open outside websites we do not control.
Frequently asked questions
- Who publishes Registered Taxpayers?
- 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 10/30/2026.
- 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.
Similar data from other publishers
- Taxpayer ReturnsState of Texas · Texas Comptroller of Public AccountsSee the attached PDF for a detailed description of each tax type. The Comptroller of Public Accounts is charged by statute, Tex. Gov’t Code § 403.0142, with reporting and posting the amounts of revenue remitted from each Texas municipality and county for taxesCSVJSONXMLUpdated 03/28/2017
- Taxpayer ReturnsCity of AustinSee the attached PDF for a detailed description of each tax type. The Comptroller of Public Accounts is charged by statute, Tex. Gov’t Code § 403.0142, with reporting and posting the amounts of revenue remitted from each Texas municipality and county for taxesJSONXMLCSVUpdated 06/26/2020
- Treasurer - 2010 Annual Tax Sale Registered BuyersCook County, Illinois · Cook County Treasurer's Office2010 Tax Sale Registered Buyers. They are registered to purchase taxes on property that have not been paid for 2 yearsCSVJSONXMLUpdated 10/09/2014
- Treasurer - 2009 Annual Tax Sale Registered BuyersCook County, Illinois · Cook County Treasurer's Office2009 Tax Sale Registered Buyers. They are registered to purchase taxes on property that have not been paid for 2 yearsCSVJSONXMLUpdated 10/09/2014
- Registered City LobbyistsCity of Los Angeles · Ethics CommissionAn individual who directly communicates with a City official for the purpose of influencing a legislative or administrative matter and is compensated to spend 30 or more hours in any consecutive three-month period engaged in lobbying activities must register wCSVJSONXMLUpdated 10/29/2026Yearly
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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