RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4473 locations in the last 30 days (4637 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

53,243 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
3/11/20263924 W 84TH PLAshburn18Completed1 dayAlderman's OfficeCity 311
7/9/20269820 S CHARLES STBeverly19Completed1 dayMobile DeviceCity 311
5/5/20265405 S SAYRE AVEGarfield Ridge23Completed1 dayInternetCity 311
4/15/20261718 N MOZART STWest Town26Completed1 dayPhone CallCity 311
8/5/20263264 W CARROLL AVEEast Garfield Park28Completed1 dayPhone CallCity 311
11/12/20255654 S NATCHEZ AVEGarfield Ridge13Completed1 dayInternetCity 311
5/19/2026859 N DEARBORN STNear North Side42Completed1 dayMobile DeviceCity 311
3/18/20268721 S ABERDEEN STAuburn Gresham21Completed1 dayPhone CallCity 311
2/24/20262513 W LELAND AVELincoln Square47Completed1 dayInternetCity 311
3/17/20265605 N MASON AVEJefferson Park45Completed1 dayPhone CallCity 311
2/9/2026888 W ALDINE AVELake View44Completed1 dayMobile DeviceCity 311
4/6/20263932 W 107TH STMount Greenwood19Completed1 dayPhone CallCity 311
2/25/20261421 N CLEAVER STWest Town1Completed1 dayInternetCity 311
4/8/20268715 S HONORE STAuburn Gresham18Completed1 dayPhone CallCity 311
11/12/20255412 W DAKIN STPortage Park30Completed1 dayInternetCity 311
1/6/20262918 S LOWE AVEBridgeport11Completed1 dayMobile DeviceCity 311
3/18/20265430 W SCHOOL STPortage Park30Completed1 dayAlderman's OfficeCity 311
5/4/20263438 N OSAGE AVEDunning38Completed1 dayMobile DeviceCity 311
2/17/20265700 S WOOD STWest Englewood15Completed1 dayPhone CallCity 311
3/24/20262736 W CATALPA AVELincoln Square40Completed1 dayMobile DeviceCity 311
11/24/20255016 N HARDING AVEAlbany Park39Completed1 dayInternetCity 311
3/11/20265630 N MAPLEWOOD AVEWest Ridge40Completed1 dayInternetCity 311
2/10/2026629 W BUCKINGHAM PLLake View44Completed1 dayMobile DeviceCity 311
3/24/20262732 W CATALPA AVELincoln Square40Completed1 dayMobile DeviceCity 311
4/9/20263226 N LAWNDALE AVEAvondale30Completed1 dayMobile DeviceCity 311
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