RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4191 locations in the last 30 days (4371 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.

📰 This week’s rat recap

Weekly Rat Trends — Nov 2–Nov 8, 2026

  • 🐀 948 new reports — down 7% from the week before
  • 👑 Lake View is Rat King with 67 reports
  • 📈 Biggest jump: Logan Square, up 15 from last week
  • 🏙️ The city took 9.7 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

59,882 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
7/30/20262942 N WHIPPLE STAvondale35Completed12 daysMobile DeviceCity 311
8/31/20262942 N RUTHERFORD AVEMontclare36Completed10 daysPhone CallCity 311
10/11/20262942 N OAK PARK AVEMontclare36Completed11 daysInternetCity 311
10/14/20252942 N MERRIMAC AVEBelmont Cragin30Completed9 daysInternetCity 311
5/28/20262942 N KENNETH AVEHermosa31Completed4 daysAlderman's OfficeCity 311
9/29/20252942 N KENNETH AVEHermosa31Completed15 daysMobile DeviceCity 311
2/16/20262942 N HOYNE AVENorth Center32Completed3 daysMobile DeviceCity 311
6/13/20262942 N ELSTON AVEAvondale35Completed2 daysInternetCity 311
3/18/20262941 W FARGO AVEWest Ridge50Completed1 dayPhone CallCity 311
9/21/20262941 W 71ST STChicago Lawn18Completed10 daysPhone CallCity 311
9/27/20262941 S HALSTED STBridgeport11Completed9 daysInternetCity 311
4/9/20262941 S CANAL STBridgeport11Completed1 dayPhone CallCity 311
6/24/20262941 N WISNER AVEAvondale35Completed7 daysAlderman's OfficeCity 311
10/24/20262941 N MARMORA AVEBelmont Cragin30Completed13 daysInternetCity 311
8/31/20252941 N MARMORA AVEBelmont Cragin30Completed12 daysInternetCity 311
7/6/20262941 N LOWELL AVEHermosa31Completed2 daysAlderman's OfficeCity 311
11/25/20252941 N HAMLIN AVEAvondale31Completed3 daysPhone CallCity 311
9/17/20262941 N AVERS AVEAvondale31Completed15 daysAlderman's OfficeCity 311
4/28/20262941 N AVERS AVEAvondale31Completed3 daysMobile DeviceCity 311
9/27/20262940 W LYNDALE STLogan Square1Completed12 daysInternetCity 311
4/21/20262940 W IRVING PARK RDIrving Park33Completed2 daysAlderman's OfficeCity 311
4/9/20262940 W IRVING PARK RDIrving Park33Completed4 daysPhone CallCity 311
8/21/20262940 W EASTWOOD AVEAlbany Park40Completed12 daysInternetCity 311
11/4/20252940 W ADAMS STEast Garfield Park27Completed6 daysInternetCity 311
10/7/20252940 S THROOP STBridgeport11Completed1 dayPhone CallCity 311
Page 1563 of 2,396
PreviousNext