RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4631 locations in the last 30 days (4785 reports) · Last sighting 21 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

55,690 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
8/5/20262446 W BRADLEY PLNorth Center47Completed15 daysMobile DeviceCity 311
8/5/20268053 S PAULINA STAuburn Gresham17Completed8 daysMobile DeviceCity 311
8/5/20269941 S GREEN STWashington Heights21Completed12 daysPhone CallCity 311
8/5/202655 W ILLINOIS STNear North Side42Completed7 daysMobile DeviceCity 311
8/5/20262052 N SHEFFIELD AVELincoln Park43Completed14 daysMobile DeviceCity 311
8/5/20265409 S NORDICA AVEGarfield Ridge23Completed12 daysInternetCity 311
8/5/20263943 W ERIE STHumboldt Park37Completed7 daysMobile DeviceCity 311
8/5/202611824 S OAKLEY AVEMorgan Park19Completed8 daysPhone CallCity 311
8/5/20264719 S LAMON AVEGarfield Ridge22Completed8 daysAlderman's OfficeCity 311
8/5/20267518 N SEELEY AVERogers Park49Completed13 daysPhone CallCity 311
8/5/202612 S MICHIGAN AVELoop34Completed7 daysInternetCity 311
8/5/20266113 W 63RD STClearing13Completed9 daysPhone CallCity 311
8/5/202618 E PEARSON STNear North Side42Completed8 daysMobile DeviceCity 311
8/5/202610845 S HAMLIN AVEMount Greenwood19Completed8 daysInternetCity 311
8/5/20263264 W CARROLL AVEEast Garfield Park28Completed1 dayPhone CallCity 311
8/5/20263264 W CARROLL AVEEast Garfield Park28Completed1 dayPhone CallCity 311
8/5/20263264 W CARROLL AVEEast Garfield Park28Completed1 dayPhone CallCity 311
8/5/20264709 N LINCOLN AVELincoln Square47Completed15 daysPhone CallCity 311
8/5/20264654 N DAMEN AVELincoln Square47Completed15 daysPhone CallCity 311
8/5/20262939 N TALMAN AVEAvondale35Completed16 daysInternetCity 311
8/5/20264630 N MILWAUKEE AVEPortage Park45Completed14 daysMobile DeviceCity 311
8/5/20264410 W IOWA STHumboldt Park37Completed6 daysAlderman's OfficeCity 311
8/5/20264406 W IOWA STHumboldt Park37Completed6 daysAlderman's OfficeCity 311
8/5/20263842 N GREENVIEW AVELake View46Completed12 daysInternetCity 311
8/5/2026733 N TRUMBULL AVEHumboldt Park27Completed8 daysMobile DeviceCity 311
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