RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4312 locations in the last 30 days (4468 reports) · Last sighting 2 days 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.

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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

56,145 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
5/25/20262616 W SUNNYSIDE AVELincoln Square47Completed2 daysInternetCity 311
2/14/20266830 W 64TH PLClearing13Completed2 daysInternetCity 311
12/6/20253547 W 26TH STSouth Lawndale22Completed2 daysMobile DeviceCity 311
2/17/20265600 S CLAREMONT AVEGage Park15Completed2 daysPhone CallCity 311
2/17/20263301 N HARLEM AVEDunning38Completed2 daysMobile DeviceCity 311
6/10/20264735 N SAWYER AVEAlbany Park33Completed2 daysInternetCity 311
3/11/20266044 N WINTHROP AVEEdgewater48Completed2 daysAlderman's OfficeCity 311
11/4/20252211 N LONG AVEBelmont Cragin36Completed2 daysMobile DeviceCity 311
12/22/20253300 N RIDGEWAY AVEAvondale30Completed2 daysAlderman's OfficeCity 311
11/16/20256919 W BALMORAL AVENorwood Park41Completed2 daysPhone CallCity 311
6/6/20263923 W 81ST PLAshburn18Completed2 daysPhone CallCity 311
4/21/20262212 N BURLING STLincoln Park43Completed2 daysInternetCity 311
10/28/20257345 N DAMEN AVERogers Park49Completed2 daysPhone CallCity 311
11/15/20255952 W NEWPORT AVEPortage Park30Completed2 daysInternetCity 311
11/17/20255156 S TROY STGage Park14Completed2 daysPhone CallCity 311
5/13/20266938 S KEDVALE AVEWest Lawn23Completed2 daysPhone CallCity 311
3/4/20262159 W OHIO STWest Town36Completed2 daysInternetCity 311
10/27/20255750 W GIDDINGS STPortage Park45Completed2 daysAlderman's OfficeCity 311
11/15/20251132 N AVERS AVEHumboldt Park37Completed2 daysPhone CallCity 311
8/18/20265006 S WINCHESTER AVENew City15Completed2 daysAlderman's OfficeCity 311
5/12/20262245 W DEVON AVEWest Ridge50Completed2 daysInternetCity 311
12/29/20252507 E 77TH STSouth Shore7Completed2 daysMobile DeviceCity 311
4/27/20263200 N RIDGEWAY AVEAvondale30Completed2 daysAlderman's OfficeCity 311
11/4/20255001 W ARGYLE STJefferson Park45Completed2 daysInternetCity 311
11/5/20254854 N AVERS AVEAlbany Park39Completed2 daysAlderman's OfficeCity 311
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