RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4470 locations in the last 30 days (4630 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

53,164 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
9/12/20261500 W 62ND STWest Englewood16Completed12 daysPhone CallCity 311
9/12/20262533 N MASON AVEBelmont Cragin30Completed13 daysMobile DeviceCity 311
9/12/20262029 W CORTLAND STLogan Square32Completed11 daysPhone CallCity 311
9/12/20266377 N PAULINA STEdgewater40Completed13 daysInternetCity 311
9/12/20264855 N KILBOURN AVEAlbany Park39Completed12 daysInternetCity 311
9/12/20263932 N NOTTINGHAM AVEDunning38Completed13 daysInternetCity 311
9/12/2026911 W ROSCOE STLake View44Completed12 daysInternetCity 311
9/12/20263673 N ELSTON AVEIrving Park33Completed12 daysMobile DeviceCity 311
9/12/20261856 N HALSTED STLincoln Park43Completed12 daysMobile DeviceCity 311
9/12/20263526 W DICKENS AVELogan Square35Completed12 daysInternetCity 311
9/12/2026832 W SHERIDAN RDLake View46Completed13 daysPhone CallCity 311
9/12/20266566 W BARRY AVEMontclare36Completed12 daysInternetCity 311
9/12/20265009 W ALTGELD STBelmont Cragin31Completed11 daysMobile DeviceCity 311
9/12/20263833 N SOUTHPORT AVELake View44Completed12 daysMobile DeviceCity 311
9/12/20268152 S JEFFERY BLVDSouth Chicago8Completed6 daysPhone CallCity 311
9/12/20263054 N RACINE AVELake View32Completed11 daysPhone CallCity 311
9/12/20261504 N GREENVIEW AVEWest Town1Completed13 daysMobile DeviceCity 311
9/12/20264316 N WOLCOTT AVENorth Center47Completed13 daysMobile DeviceCity 311
9/12/20266240 W 64TH PLClearing13Completed11 daysInternetCity 311
9/12/20262951 S DR MARTIN LUTHER KING JR DRDouglas4Completed13 daysPhone CallCity 311
9/12/20267318 N GREENVIEW AVERogers Park49Completed12 daysMobile DeviceCity 311
9/12/20264357 W 83RD STAshburn18Completed13 daysInternetCity 311
9/12/20265713 W EDDY STPortage Park30Completed12 daysMobile DeviceCity 311
9/12/20263454 N HOYNE AVENorth Center32Completed11 daysPhone CallCity 311
9/12/20263805 W 86TH PLAshburn18Completed13 daysPhone CallCity 311
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