RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4528 locations in the last 30 days (4683 reports) · Last sighting yesterday

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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.

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

54,257 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
11/11/20251312 N DAMEN AVEWest Town1Completed1 dayInternetCity 311
2/25/20264003 W FULLERTON AVEHermosa35Completed1 dayAlderman's OfficeCity 311
5/7/20265101 S ARTESIAN AVEGage Park15Completed1 dayPhone CallCity 311
4/16/20261543 N SPRINGFIELD AVEHumboldt Park26Completed1 dayAlderman's OfficeCity 311
12/9/20256743 S KOSTNER AVEWest Lawn23Completed1 dayPhone CallCity 311
1/29/20265615 W PATTERSON AVEPortage Park38Completed1 dayMobile DeviceCity 311
1/7/20262012 S ALLPORT STLower West Side25Completed1 dayInternetCity 311
7/6/20264230 S CAMPBELL AVEBrighton Park12Completed1 dayPhone CallCity 311
12/30/20252819 W SHAKESPEARE AVELogan Square1Completed1 dayInternetCity 311
5/26/2026700 E 47TH STGrand Boulevard4Completed1 dayPhone CallCity 311
4/29/20262614 N HARDING AVELogan Square35Completed1 dayPhone CallCity 311
11/3/20251455 W RASCHER AVEEdgewater48Completed1 dayPhone CallCity 311
5/26/20264417 W JACKSON BLVDWest Garfield Park28Completed1 dayPhone CallCity 311
10/21/202561 E BELLEVUE PLNear North Side42Completed1 dayPhone CallCity 311
11/6/20251313 W BELMONT AVELake View32Completed1 dayInternetCity 311
3/10/20262905 N NATCHEZ AVEBelmont Cragin36Completed1 dayMobile DeviceCity 311
3/24/20265731 W HENDERSON STPortage Park30Completed1 dayPhone CallCity 311
1/12/20266125 S MAJOR AVEClearing13Completed1 dayInternetCity 311
2/23/20263624 W 64TH PLWest Lawn23Completed1 dayPhone CallCity 311
3/18/20262618 W ROSEMONT AVEWest Ridge50Completed1 dayMobile DeviceCity 311
7/16/20265843 N VIRGINIA AVEWest Ridge50Completed1 dayPhone CallCity 311
8/19/20263235 W OLIVE AVENorth Park39Completed1 dayPhone CallCity 311
5/18/20266701 W 64TH PLClearing13Completed1 dayInternetCity 311
11/9/2025508 W DEMING PLLincoln Park43Completed1 dayInternetCity 311
10/29/20252848 N SHEFFIELD AVELake View44Completed1 dayPhone CallCity 311
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