RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4461 locations in the last 30 days (4645 reports) · Last sighting 11 hours ago

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What am I looking at?

Each circle is a Chicago neighborhood. The number is its report count — click one to zoom in and see individual sightings there.

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Colors are relative to what’s currently on screen, so they adjust as you switch time ranges.

Zoomed into a neighborhood or zip? Same colors group nearby reports, and a bright dot means that exact spot’s been reported more than once.

Why Chicago keeps score on its rats

Chicago has topped national rankings of the rattiest U.S. cities for over a decade running — a reputation the city itself takes seriously enough to run one of the country’s most active 311 rodent-complaint programs. Every baiting request, burrow report, and complaint filed with the city becomes a public record. RatCity turns that record, plus reports from people who live here, into a map you can actually use: is this block bad? Is it getting worse? Which neighborhood is winning (or losing) the fight this month?

What’s actually on the map

Most of the data is Chicago’s own — every “Rodent Baiting/Rat Complaint” filed through 311, pulled in automatically once a day so the map never goes stale. Layered on top are sightings reported directly by visitors, matched to the same neighborhood and zip-code boundaries the city uses, so a resident’s report and an official 311 complaint carry equal weight on the map.

Reading the map

Circles are sized and colored by how many reports a neighborhood has racked up — blue is quiet, red means trouble. The Day / Week / 30 Days / Year toggle up top changes the window, so you can see whether a neighborhood’s rat problem is a one-week blip or a year-long trend. Whoever’s in the lead gets crowned the neighborhood Rat King in the sidebar, a title that changes hands as new reports come in.

Noticed a rat that isn’t on the map yet? Use “Report a sighting” above — it takes under a minute and goes live as soon as it’s reviewed. Curious about where the data actually comes from or how reports are moderated? See the About page for the full breakdown.

Want more? The blog has weekly trend recaps and guides on Chicago’s rat problem and how to keep it out of your home.

Browse every sighting

58,468 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
8/28/20254022 N PONTIAC AVEDunning38Completed12 daysAlderman's OfficeCity 311
11/22/20256136 W EDDY STDunning30Completed3 daysMobile DeviceCity 311
9/26/20253840 N ORIOLE AVEDunning38Completed3 daysPhone CallCity 311
8/21/20263318 N ORIOLE AVEDunning38Completed12 daysMobile DeviceCity 311
8/25/20266232 W GRACE STDunning38Completed10 daysInternetCity 311
10/27/20258300 W FOREST PRESERVE AVEDunning38Completed7 daysInternetCity 311
11/10/20253701 N PITTSBURGH AVEDunning38Completed3 daysAlderman's OfficeCity 311
9/1/20263041 N ODELL AVEDunning29Completed3 daysInternetCity 311
10/21/20263614 N OVERHILL AVEDunning38Open—InternetCity 311
11/10/20253700 N PITTSBURGH AVEDunning38Completed3 daysPhone CallCity 311
10/1/20253640 N OCTAVIA AVEDunning38Completed7 daysAlderman's OfficeCity 311
10/14/20263414 N OZANAM AVEDunning38Completed15 daysInternetCity 311
10/30/20263135 N OCONTO AVEDunning29Open—Phone CallCity 311
9/27/20253215 N OTTAWA AVEDunning38Completed9 daysMobile DeviceCity 311
8/25/20266526 W IRVING PARK RDDunning38Completed9 daysInternetCity 311
7/2/20263948 N OKETODunning38Completed11 daysSalesforce Mobile AppCity 311
8/22/20253625 N ODELL AVEDunning38Completed6 daysInternetCity 311
11/8/20258258 W IRVING PARK RDDunning38Completed5 daysInternetCity 311
8/13/20256336 W ADDISON STDunning38Completed9 daysInternetCity 311
4/1/20263449 N ORANGE AVEDunning38Completed1 dayInternetCity 311
8/31/20263441 N OSAGE AVEDunning38Completed11 daysAlderman's OfficeCity 311
7/5/20263356 N NARRAGANSETT AVEDunning36Completed8 daysMobile DeviceCity 311
3/3/20266200 W BELMONT AVEDunning30Completed1 dayAlderman's OfficeCity 311
11/21/20253536 N NATCHEZ AVEDunning38Completed5 daysInternetCity 311
9/8/20253300 N NORDICA AVEDunning38Completed9 daysPhone CallCity 311
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