RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4101 locations in the last 30 days (4285 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 — 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
9/16/20254100 W MAYPOLE AVEWest Garfield Park28Completed9 daysAlderman's OfficeCity 311
6/5/20264100 W JACKSON BLVDWest Garfield Park28Completed3 daysPhone CallCity 311
8/27/20254100 W CERMAK RDNorth Lawndale24Completed1 dayPhone CallCity 311
9/26/20254100 W CERMAK RDNorth Lawndale24Completed7 daysPhone CallCity 311
6/4/20264100 W BELLE PLAINE AVEIrving Park39Completed4 daysInternetCity 311
8/6/20264100 W BARRY AVEAvondale31Completed14 daysAlderman's OfficeCity 311
8/15/20254100 W 57TH STWest Elsdon13Completed7 daysAlderman's OfficeCity 311
1/6/20264100 W 25TH STSouth Lawndale22Completed1 dayMobile DeviceCity 311
10/27/20264100 W 25TH STSouth Lawndale22Completed10 daysMobile DeviceCity 311
4/23/20264100 W 25TH STSouth Lawndale22Completed1 dayMobile DeviceCity 311
7/31/20264100 W 21ST STNorth Lawndale24Completed6 daysAlderman's OfficeCity 311
3/10/20264100 S MICHIGAN AVEGrand Boulevard3Completed1 dayPhone CallCity 311
10/21/20264100 S CAMPBELL AVEBrighton Park12Completed15 daysPhone CallCity 311
9/27/20264100 N MOZART STIrving Park33Completed11 daysInternetCity 311
11/5/20264100 N MCVICKERPortage Park38Open—Salesforce Mobile AppCity 311
7/23/20254100 N MARINE DRUptown46Completed9 daysPhone CallCity 311
8/20/20254100 N LEAVITT STNorth Center47Completed13 daysPhone CallCity 311
10/19/20264100 N LEAMINGTON AVEPortage Park38Completed15 daysPhone CallCity 311
8/9/20254100 N HERMITAGE AVELake View47Completed12 daysInternetCity 311
8/29/20254100 N DRAKE AVEIrving Park33Completed10 daysMobile DeviceCity 311
6/30/20264100 N CENTRAL PARKIrving Park33Completed7 daysSalesforce Mobile AppCity 311
10/23/20254100 N AUSTIN AVEPortage Park38Completed4 daysPhone CallCity 311
6/23/202640 W 78TH STGreater Grand Crossing6Completed2 daysPhone CallCity 311
7/28/202540 W 78TH STGreater Grand Crossing6Completed7 daysPhone CallCity 311
9/14/202540 W 33RD STDouglas3Completed8 daysInternetCity 311
Page 1154 of 2,378
PreviousNext