An Illinois Answers Project and Block Club Chicago joint investigation found that Chicagoans made more than 214,000 complaints for rat abatement from 2019 through the end of 2022. Search the map below to find rat complaints across Chicago.

How to use this searchable map

  1. Enter an address in the search bar to find all rat complaints made at that address between 2019 and the end of 2022.
  2. Click on the circles to review the complaints made at each address, identified by its block number.

This information reflects only what users submitted in their complaints to 311, but is not necessarily a statement of fact.

Casey Toner, a Chicago native, has been an Illinois Answers reporter since 2016, taking the lead on numerous projects about criminal justice and politics. His series on police shootings in suburban Cook County resulted in a state law requiring procedural investigations of all police shootings in Illinois. Before he joined Illinois Answers, he wrote for the Daily Southtown and was a statewide reporter for Alabama Media Group, a consortium of Alabama newspapers. Outside of work, he enjoys watching soccer and writing music.