RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4354 locations in the last 30 days (4535 reports) · Last sighting yesterday

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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

58,313 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
6/25/20263242 W FLOURNOY STEast Garfield Park24Completed5 daysMobile DeviceCity 311
6/25/20263236 W FLOURNOY STEast Garfield Park24Completed5 daysMobile DeviceCity 311
6/25/20261701 N MILWAUKEE AVEWest Town32Completed6 daysInternetCity 311
6/25/20263647 N DAMEN AVENorth Center47Completed4 daysInternetCity 311
6/25/20261709 N HOYNE AVEWest Town32Completed6 daysInternetCity 311
6/25/20265649 S NASHVILLE AVEGarfield Ridge13Completed5 daysMobile DeviceCity 311
6/25/20262713 N DRAKE AVELogan Square35Completed11 daysInternetCity 311
6/25/20262022 N LAWLER AVEBelmont Cragin26Completed6 daysInternetCity 311
6/25/20261808 W HADDON AVEWest Town1Completed5 daysInternetCity 311
6/25/202612051 S MICHIGAN AVEWest Pullman9Completed5 daysPhone CallCity 311
6/25/20262023 N LECLAIRE AVEBelmont Cragin26Completed4 daysInternetCity 311
6/25/20262029 N LECLAIRE AVEBelmont Cragin26Completed4 daysInternetCity 311
6/25/20263351 N SOUTHPORT AVELake View44Completed6 daysInternetCity 311
6/25/20262852 N HAMLIN AVEAvondale31Completed6 daysInternetCity 311
6/25/20264142 N MEADE AVEPortage Park38Completed6 daysMobile DeviceCity 311
6/25/20261125 N HOYNE AVEWest Town1Completed5 daysMobile DeviceCity 311
6/25/20264734 W CONGRESS PKWYAustin24Completed5 daysMobile DeviceCity 311
6/25/20263745 W EASTWOOD AVEAlbany Park33Completed4 daysInternetCity 311
6/25/202639 N PINE AVEAustin29Completed7 daysMobile DeviceCity 311
6/25/20263426 W 85TH STAshburn18Completed6 daysPhone CallCity 311
6/25/20263039 W AINSLIE STAlbany Park33Completed4 daysPhone CallCity 311
6/25/20267919B S DOBSON AVEChatham8Completed6 daysPhone CallCity 311
6/25/20262600 W BELMONT AVEAvondale33Completed4 daysMobile DeviceCity 311
6/25/20261257 E 46TH STKenwood4Completed5 daysMobile DeviceCity 311
6/25/20261814 N FREMONT STLincoln Park43Completed4 daysPhone CallCity 311
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