RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4684 locations in the last 30 days (4835 reports) · Last sighting 18 hours ago

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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

55,179 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
5/20/20264424 W 28TH STSouth Lawndale22Completed1 dayPhone CallCity 311
12/2/2025634 W BRIAR PLLake View44Completed1 dayInternetCity 311
7/6/20265733 W CULLOM AVEPortage Park38Completed1 dayPhone CallCity 311
3/11/20262034 N DAYTON STLincoln Park43Completed1 dayInternetCity 311
10/30/20252042 W MAYPOLE AVENear West Side27Completed1 dayPhone CallCity 311
3/26/20263142 N KENNETH AVEHermosa31Completed1 dayPhone CallCity 311
6/17/20263033 S KOMENSKY AVESouth Lawndale22Completed1 dayInternetCity 311
2/16/20267227 N DAMEN AVERogers Park49Completed1 dayPhone CallCity 311
4/9/20261246 W 50TH STNew City20Completed1 dayInternetCity 311
6/3/20263821 W 110TH STMount Greenwood19Completed1 dayPhone CallCity 311
2/18/20263436 W 107TH STMount Greenwood19Completed1 dayPhone CallCity 311
2/8/20261724 N WINNEBAGO AVEWest Town32Completed1 dayMobile DeviceCity 311
5/4/20264744 N CAMPBELL AVELincoln Square40Completed1 dayPhone CallCity 311
4/16/20263517 W SHAKESPEARE AVELogan Square35Completed1 dayInternetCity 311
5/27/20266216 N LAWNDALE AVENorth Park50Completed1 dayPhone CallCity 311
1/13/20266037 N MARMORA AVEJefferson Park39Completed1 dayAlderman's OfficeCity 311
11/13/20254347 W LEXINGTON STWest Garfield Park24Completed1 dayPhone CallCity 311
2/12/20269419 S SANGAMON STWashington Heights21Completed1 dayPhone CallCity 311
9/9/2025918 N LARAMIE AVEAustin37Completed1 dayPhone CallCity 311
1/11/20263669 N ELSTON AVEIrving Park33Completed1 dayMobile DeviceCity 311
4/8/2024900 E 44TH STKenwood4Completed1 dayMobile DeviceCity 311
12/15/20255711 W EDDY STPortage Park30Completed1 dayPhone CallCity 311
6/3/20264717 N KEWANEE AVEAlbany Park39Completed1 dayAlderman's OfficeCity 311
6/2/20267047 S EGGLESTON AVEEnglewood6Completed1 dayPhone CallCity 311
8/13/2025345 W 42ND PLFuller Park3Completed1 dayPhone CallCity 311
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