RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4476 locations in the last 30 days (4637 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

53,164 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
9/13/20261334 N PARKSIDE AVEAustin29Completed4 daysMobile DeviceCity 311
9/13/20263614 N HOYNE AVENorth Center47Completed1 dayMobile DeviceCity 311
9/13/20264319 W 47TH STArcher Heights14Completed11 daysInternetCity 311
9/13/20265459 W BERENICE AVEPortage Park30Completed12 daysInternetCity 311
9/13/20262048 N SHEFFIELD AVELincoln Park43Completed11 daysMobile DeviceCity 311
9/13/2026914 E 81ST STChatham8Completed5 daysPhone CallCity 311
9/13/20263745 N MARSHFIELD AVELake View47Completed1 dayInternetCity 311
9/13/20265319 S ELLIS AVEHyde Park5Completed9 daysInternetCity 311
9/13/20262315 W RICE STWest Town36Completed11 daysMobile DeviceCity 311
9/13/20262345 W RICE STWest Town36Completed11 daysMobile DeviceCity 311
9/13/20262450 W EASTWOOD AVELincoln Square47Completed12 daysInternetCity 311
9/13/20263927 N PLAINFIELD AVEDunning38Completed12 daysMobile DeviceCity 311
9/13/20262057 N OAKLEY AVELogan Square32Completed12 daysInternetCity 311
9/13/20262074 N HOYNE AVELogan Square32Completed1 dayInternetCity 311
9/13/20263683 N ELSTON AVEIrving Park33Completed11 daysInternetCity 311
9/13/20263669 N ELSTON AVEIrving Park33Completed11 daysInternetCity 311
9/13/20262115 N DAMEN AVELogan Square32Completed10 daysInternetCity 311
9/13/2026912 W ARMITAGE AVELincoln Park43Completed11 daysInternetCity 311
9/13/20262300 N HARDING AVELogan Square35Completed8 daysMobile DeviceCity 311
9/13/20261231 S FAIRFIELD AVENorth Lawndale28Completed12 daysMobile DeviceCity 311
9/13/20263908 W BYRON STIrving Park30Open—Mobile DeviceCity 311
9/13/20264534 N MEADE AVEPortage Park38Completed12 daysPhone CallCity 311
9/13/20262648 W MEDILL AVELogan Square1Open—Mobile DeviceCity 311
9/13/20265238 S MERRIMAC AVEGarfield Ridge23Completed11 daysMobile DeviceCity 311
9/13/20262143 W ARMITAGE AVELogan Square32Completed10 daysInternetCity 311
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