RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4345 locations in the last 30 days (4509 reports) · Last sighting 22 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

57,500 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
7/11/20261109 W 71ST STEnglewood17Completed10 daysInternetCity 311
7/11/20261921 W SUPERIOR STWest Town36Completed5 daysInternetCity 311
7/11/20266031 S LOOMIS BLVDWest Englewood16Completed10 daysPhone CallCity 311
7/11/20262721 W AGATITE AVEAlbany Park40Completed5 daysInternetCity 311
7/11/2026603 S LAWNDALE AVEEast Garfield Park24Completed6 daysInternetCity 311
7/11/20263136 N OAK PARK AVEMontclare36Completed10 daysInternetCity 311
7/11/20261618 N SAWYER AVEHumboldt Park26Completed10 daysInternetCity 311
7/11/20262935 S THROOP STBridgeport11Completed7 daysInternetCity 311
7/10/20262520 W CORTEZ STWest Town36Completed6 daysMobile DeviceCity 311
7/10/20262900 N CENTRAL PARK AVEAvondale35Completed10 daysMobile DeviceCity 311
7/10/20261620 W CATALPA AVEEdgewater40Completed5 daysInternetCity 311
7/10/20265411 N CAMPBELL AVELincoln Square40Completed5 daysInternetCity 311
7/10/20262453 W BALMORAL AVELincoln Square40Completed5 daysPhone CallCity 311
7/10/20261447 N WELLS STNear North Side2Completed12 daysMobile DeviceCity 311
7/10/20261127 W FARWELL AVERogers Park49Completed5 daysMobile DeviceCity 311
7/10/20264921 N CENTRAL PARK AVEAlbany Park33Completed5 daysMobile DeviceCity 311
7/10/20263726 W 84TH STAshburn18Completed9 daysInternetCity 311
7/10/20265316 S HAMLIN AVEWest Elsdon23Completed9 daysInternetCity 311
7/10/20267135 W SCHREIBER AVENorwood Park41Completed12 daysPhone CallCity 311
7/10/20268512 S RHODES AVEChatham6Completed4 daysInternetCity 311
7/10/20265223 N NEENAH AVENorwood Park41Completed12 daysPhone CallCity 311
7/10/20268506 S RHODES AVEChatham6Completed4 daysInternetCity 311
7/10/20265142 S LA CROSSE AVEGarfield Ridge23Completed9 daysMobile DeviceCity 311
7/10/20262728 S CHRISTIANA AVESouth Lawndale22Completed10 daysMobile DeviceCity 311
7/10/20261249 W 31ST STBridgeport11Completed7 daysPhone CallCity 311
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