RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4222 locations in the last 30 days (4375 reports) · Last sighting yesterday

📰 Blog
DayWeek30 DaysYear
Loading map…

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.

32080fewer → more

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

56,467 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
7/22/20263081 S BONFIELD STBridgeport11Completed7 daysPhone CallCity 311
7/22/20262863 N CLARK STLake View44Completed7 daysInternetCity 311
7/22/20266201 W GRACE STDunning38Completed13 daysAlderman's OfficeCity 311
7/22/20266200 W GRACE STDunning38Completed13 daysAlderman's OfficeCity 311
7/22/20266201 W WARWICK AVEDunning38Completed13 daysAlderman's OfficeCity 311
7/22/20266200 W WARWICK AVEDunning38Completed13 daysAlderman's OfficeCity 311
7/22/20264524 W LAWRENCE AVEAlbany Park39Completed13 daysPhone CallCity 311
7/22/20268200 S CHRISTIANA AVEAshburn18Completed1 dayInternetCity 311
7/22/20265649 N ARTESIAN AVEWest Ridge40Completed12 daysMobile DeviceCity 311
7/22/20261801 W 47TH STNew City15Completed6 daysAlderman's OfficeCity 311
7/22/20264714 S WOOD STNew City15Completed6 daysPhone CallCity 311
7/22/20262740 N LAWNDALE AVELogan Square35Completed14 daysPhone CallCity 311
7/22/20266930 W SUMMERDALE AVENorwood Park41Completed12 daysPhone CallCity 311
7/22/20263029 N SPAULDING AVEAvondale35Completed14 daysAlderman's OfficeCity 311
7/22/2026505 W GRANT PLLincoln Park43Completed12 daysMobile DeviceCity 311
7/22/20265117 N WOLCOTT AVELincoln Square40Completed12 daysMobile DeviceCity 311
7/22/20263229 N NEWLAND AVEDunning36Completed12 daysPhone CallCity 311
7/22/20263032 S KOLIN AVESouth Lawndale22Completed8 daysAlderman's OfficeCity 311
7/22/20263605 W 61ST PLWest Lawn23Completed9 daysPhone CallCity 311
7/22/20264821 N HOYNE AVELincoln Square47Completed13 daysPhone CallCity 311
7/22/20266501 W ARCHER AVEGarfield Ridge13Completed8 daysInternetCity 311
7/22/20264943 N AUSTIN AVEJefferson Park45Completed9 daysPhone CallCity 311
7/22/20263359 W LEMOYNE STHumboldt Park26Completed8 daysAlderman's OfficeCity 311
7/22/20263137 W JARVIS AVEWest Ridge50Completed9 daysInternetCity 311
7/22/20262913 S SHIELDS AVEArmour Square11Completed2 daysInternetCity 311
Page 557 of 2,259
PreviousNext