RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4422 locations in the last 30 days (4576 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

56,073 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
5/23/20266045 N JERSEY AVENorth Park50Completed3 daysInternetCity 311
8/8/20266045 N HERMITAGE AVEEdgewater40Completed12 daysMobile DeviceCity 311
9/26/20266044 W 59TH STGarfield Ridge13Completed12 daysMobile DeviceCity 311
3/11/20266044 N WINTHROP AVEEdgewater48Completed2 daysAlderman's OfficeCity 311
12/15/20256044 N NASSAU AVENorwood Park45Completed1 dayPhone CallCity 311
8/11/20256044 N MAPLEWOOD AVEWest Ridge40Completed8 daysInternetCity 311
8/5/20266043 W GUNNISON STPortage Park41Completed15 daysInternetCity 311
10/8/20266043 W 59TH STClearing13Open—Mobile DeviceCity 311
5/5/20266043 S SPAULDING AVEChicago Lawn14Completed6 daysPhone CallCity 311
6/10/20266043 S SPAULDING AVEChicago Lawn14Completed1 dayPhone CallCity 311
8/9/20266043 S KOMENSKY AVEWest Lawn23Completed9 daysInternetCity 311
11/5/20256043 S KOMENSKY AVEWest Lawn23Completed0 daysInternetCity 311
8/7/20266043 S HERMITAGE AVEWest Englewood15Completed14 daysPhone CallCity 311
4/10/20266043 S HERMITAGE AVEWest Englewood15Completed3 daysMobile DeviceCity 311
2/6/20266043 S FRANCISCO AVEChicago Lawn15Completed3 daysPhone CallCity 311
5/13/20266043 S FRANCISCO AVEChicago Lawn15Completed2 daysInternetCity 311
4/3/20266043 S FRANCISCO AVEChicago Lawn15Completed3 daysInternetCity 311
10/14/20266043 S FRANCISCO AVEChicago Lawn15Open—InternetCity 311
10/8/20256042 S THROOP STWest Englewood16Completed9 daysAlderman's OfficeCity 311
8/3/20266042 S TALMAN AVEChicago Lawn16Completed9 daysAlderman's OfficeCity 311
2/17/20266042 S RICHMOND STChicago Lawn15Completed0 daysMobile DeviceCity 311
1/9/20266042 S RICHMOND STChicago Lawn15Completed0 daysMobile DeviceCity 311
8/17/20256042 S RICHMOND STChicago Lawn15Completed1 dayMobile DeviceCity 311
8/11/20266042 S NASHVILLE AVEClearing13Completed13 daysPhone CallCity 311
8/10/20266042 S NASHVILLE AVEClearing13Completed14 daysAlderman's OfficeCity 311
Page 455 of 2,243
PreviousNext