RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4337 locations in the last 30 days (4519 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

58,146 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
8/18/20261842 N WASHTENAW AVELogan Square1Completed9 daysInternetCity 311
8/27/20255236 N OLCOTT AVENorwood Park41Completed9 daysInternetCity 311
8/1/20266729 S ST LAWRENCE AVEWoodlawn6Completed9 daysPhone CallCity 311
8/4/20251052 W FULTON MARKETNear West Side27Completed9 daysPhone CallCity 311
8/18/20253701 N NOTTINGHAM AVEDunning38Completed9 daysAlderman's OfficeCity 311
10/7/20264801 S WINCHESTER AVENew City15Completed9 daysPhone CallCity 311
9/3/20253422 N LINCOLN AVELake View47Completed9 daysInternetCity 311
7/28/20254549 N CENTRAL AVEPortage Park45Completed9 daysPhone CallCity 311
8/13/20255807 N MARKHAM AVEJefferson Park45Completed9 daysInternetCity 311
9/22/20256543 W 63RD STClearing13Completed9 daysInternetCity 311
7/15/20262526 W PETERSON AVEWest Ridge40Completed9 daysInternetCity 311
9/28/20256954 W FOSTER AVENorwood Park41Completed9 daysInternetCity 311
9/27/20253635 N SACRAMENTO AVEIrving Park35Completed9 daysPhone CallCity 311
9/6/20261760 N CLYBOURN AVELincoln Park2Completed9 daysMobile DeviceCity 311
9/6/20261720 N CLYBOURN AVELincoln Park2Completed9 daysMobile DeviceCity 311
7/21/20264455 N SAWYER AVEAlbany Park33Completed9 daysMobile DeviceCity 311
8/16/20251918 W ADDISON STNorth Center47Completed9 daysMobile DeviceCity 311
8/3/20263127 N LAWNDALE AVEAvondale35Completed9 daysPhone CallCity 311
9/8/20263502 W WABANSIA AVEHumboldt Park26Completed9 daysPhone CallCity 311
9/6/20261730 N CLYBOURN AVELincoln Park2Completed9 daysMobile DeviceCity 311
9/2/2025420 W ALDINE AVELake View44Completed9 daysInternetCity 311
9/22/20267200 S ARTESIAN AVEChicago Lawn18Completed9 daysPhone CallCity 311
9/6/20261756 N CLYBOURN AVELincoln Park2Completed9 daysMobile DeviceCity 311
9/15/20251835 S LOOMIS STLower West Side25Completed9 daysMobile DeviceCity 311
7/19/20261307 S CALIFORNIA BLVDNorth Lawndale28Completed9 daysMobile DeviceCity 311
Page 834 of 2,326
PreviousNext