RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4658 locations in the last 30 days (4831 reports) · Last sighting 9 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.

32080fewer → more

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

52,821 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
8/26/20269618 S GREENWOOD AVEPullman8Completed7 daysMobile DeviceCity 311
8/30/20269618 S BRENNAN AVESouth Deering7Completed10 daysMobile DeviceCity 311
9/3/20269616 S GREENWOOD AVEPullman8Completed14 daysMobile DeviceCity 311
8/28/20269615 S YALE AVERoseland9Completed14 daysPhone CallCity 311
4/11/20269614 S GENOA AVEWashington Heights21Completed2 daysInternetCity 311
10/31/20259613 S HOXIE AVESouth Deering7Completed3 daysPhone CallCity 311
12/27/20259612 S WENTWORTH AVERoseland9Completed2 daysInternetCity 311
12/17/20259612 S DOBSON AVEPullman8Completed1 dayPhone CallCity 311
8/28/20259612 S AVENUE LEast Side10Completed12 daysPhone CallCity 311
7/29/20259612 S AVENUE LEast Side10Completed6 daysPhone CallCity 311
8/15/20259612 S AVENUE LEast Side10Completed4 daysWalk-inCity 311
9/23/20269611 S LEast Side10Open—Mobile DeviceCity 311
8/8/20259611 S AVENUE LEast Side10Completed5 daysPhone CallCity 311
7/27/20269610 S SANGAMON STWashington Heights21Completed9 daysInternetCity 311
11/2/20259610 S HARVARD AVERoseland9Completed2 daysPhone CallCity 311
3/16/20269610 S DOBSON AVEPullman8Completed3 daysAlderman's OfficeCity 311
3/20/20269610 S CLAREMONT AVEBeverly19Completed3 daysPhone CallCity 311
5/22/20269610 S CLAREMONT AVEBeverly19Completed4 daysPhone CallCity 311
4/2/20269610 S CLAREMONT AVEBeverly19Completed1 dayPhone CallCity 311
1/6/20269610 S CLAREMONT AVEBeverly19Completed1 dayPhone CallCity 311
5/1/20269610 S CLAREMONT AVEBeverly19Completed3 daysPhone CallCity 311
10/9/2025960 W 36TH STBridgeport11Completed6 daysInternetCity 311
7/9/20269609 S AVENUE MEast Side10Completed8 daysPhone CallCity 311
7/6/20269607 S LASALLE STRoseland9Completed2 daysInternetCity 311
3/16/20269606 S DOBSON AVEPullman8Completed3 daysAlderman's OfficeCity 311
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