RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4642 locations in the last 30 days (4790 reports) · Last sighting 12 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

55,474 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
8/12/20261119 N HARDING AVEHumboldt Park37Completed14 daysPhone CallCity 311
8/12/20262856 W 21ST PLSouth Lawndale25Completed6 daysInternetCity 311
8/12/20264742 S LAWLER AVEGarfield Ridge22Completed1 dayMobile DeviceCity 311
8/12/20262155 W WINDSOR AVELincoln Square47Completed15 daysMobile DeviceCity 311
8/12/20262116 W BELLE PLAINE AVENorth Center47Completed15 daysMobile DeviceCity 311
8/12/20261617 W CULLERTON STLower West Side25Completed6 daysInternetCity 311
8/12/20266831 S KOMENSKY AVEWest Lawn23Completed12 daysPhone CallCity 311
8/12/20266819 S KOMENSKY AVEWest Lawn23Completed12 daysPhone CallCity 311
8/12/20262300 W WASHINGTON BLVDNear West Side27Completed13 daysPhone CallCity 311
8/12/20262010 S ASHLAND AVELower West Side25Completed6 daysInternetCity 311
8/12/20265155 S MOBILE AVEGarfield Ridge23Completed12 daysMobile DeviceCity 311
8/12/20262734 W FITCH AVEWest Ridge50Completed6 daysPhone CallCity 311
8/12/20265138 S LUNA AVEGarfield Ridge23Completed12 daysAlderman's OfficeCity 311
8/12/20262155 N LATROBE AVEBelmont Cragin26Completed8 daysMobile DeviceCity 311
8/12/20261842 W OAKDALE AVENorth Center32Completed13 daysPhone CallCity 311
8/12/202610359 S TORRENCE AVESouth Deering10Completed12 daysMobile DeviceCity 311
8/12/20263730 N HERMITAGE AVELake View47Completed6 daysPhone CallCity 311
8/12/20262808 W ALTGELD STLogan Square1Completed14 daysInternetCity 311
8/12/20266330 S ELLIS AVEWoodlawn20Completed5 daysPhone CallCity 311
8/12/20264728 N LINCOLN AVELincoln Square47Completed14 daysInternetCity 311
8/12/202610359 S TORRENCE AVESouth Deering10Completed12 daysInternetCity 311
8/12/20261733 N SPAULDING AVEHumboldt Park26Completed8 daysInternetCity 311
8/12/20265049 N WINCHESTER AVELincoln Square40Completed9 daysPhone CallCity 311
8/12/202616 N LOCKWOOD AVEAustin37Completed14 daysPhone CallCity 311
8/12/20262155 W WINDSOR AVELincoln Square47Completed14 daysInternetCity 311
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