RatCity — Chicago Rat and Rodent Sightings Map

RatCity

43011 locations in the last year (44141 reports) · Last sighting 22 hours ago

📰 Blog
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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.

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.

📰 This week’s rat recap

Weekly Rat Trends — Oct 26–Nov 1, 2026

  • 🐀 1,021 new reports — down 9% from the week before
  • 👑 Lake View is Rat King with 70 reports
  • 📈 Biggest jump: Lincoln Park, up 15 from last week
  • 🏙️ The city took 11.2 days on average to resolve a complaint
Read the full recap →

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

59,447 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
11/2/20266147 N FAIRFIELD AVEWest Ridge40Open—InternetCity 311
11/2/20269317 S ELIZABETH STWashington Heights21Completed1 dayPhone CallCity 311
11/2/20261716 W GARFIELD BLVDNew City16Open—Alderman's OfficeCity 311
11/2/20263607 W GEORGE STAvondale35Completed2 daysMobile DeviceCity 311
11/2/20262543 W CORTEZ STWest Town36Open—InternetCity 311
11/2/20264106 N KEYSTONE AVEIrving Park39Completed3 daysInternetCity 311
11/2/20265128 S KEATING AVEGarfield Ridge23Open—Alderman's OfficeCity 311
11/2/20263053 N DRAKE AVEAvondale35Open—Alderman's OfficeCity 311
11/2/20266321 S KILBOURN AVEWest Lawn13Open—InternetCity 311
11/2/202611405 S PARK AVERoseland9Open—InternetCity 311
11/2/20261053 W WRIGHTWOOD AVELincoln Park43Completed3 daysPhone CallCity 311
11/2/20261114 N LATROBE AVEAustin37Completed1 dayInternetCity 311
11/2/2026819 W EASTWOOD AVEUptown46Open—Mobile DeviceCity 311
11/2/2026247 N KILPATRICK AVEAustin28Open—Phone CallCity 311
11/2/20266507 S PAULINA STWest Englewood15Open—Phone CallCity 311
11/2/20263221 W WILSON AVEAlbany Park33Open—InternetCity 311
11/2/20264126 N KEDVALE AVEIrving Park39Open—InternetCity 311
11/2/20264828 N NEW ENGLAND AVENorwood Park41Open—InternetCity 311
11/2/20262441 W IRVING PARK RDNorth Center47Open—InternetCity 311
11/2/20262845 N SOUTHPORT AVELake View32Completed3 daysMobile DeviceCity 311
11/2/20261043 W MADISON STNear West Side34Completed2 daysPhone CallCity 311
11/2/20261140 N MILWAUKEE AVEWest Town1Open—Phone CallCity 311
11/2/20265539 S FRANCISCO AVEGage Park15Open—InternetCity 311
11/2/20262855 N LINDER AVEBelmont Cragin31Open—Alderman's OfficeCity 311
11/2/20261952 W BYRON STNorth Center47Completed1 dayInternetCity 311
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