RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4345 locations in the last 30 days (4501 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.

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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
7/29/20265049 S WINCHESTER AVENew City15Completed14 daysPhone CallCity 311
7/29/20263023 S HARDING AVESouth Lawndale22Completed9 daysInternetCity 311
7/29/20262423 W CORTLAND STLogan Square1Completed13 daysAlderman's OfficeCity 311
7/29/20262848 W 57TH STGage Park15Completed14 daysAlderman's OfficeCity 311
7/29/20262419 W CORTLAND STLogan Square1Completed13 daysAlderman's OfficeCity 311
7/29/20263541 W CARROLL AVEEast Garfield Park28Completed8 daysMobile DeviceCity 311
7/29/20266052 S RUTHERFORD AVEClearing13Completed13 daysMobile DeviceCity 311
7/29/20268508 S KENTON AVEAshburn18Completed13 daysInternetCity 311
7/29/20262537 S TRUMBULL AVESouth Lawndale22Completed9 daysPhone CallCity 311
7/29/20262640 N WHIPPLE STLogan Square1Completed12 daysAlderman's OfficeCity 311
7/29/20269713 S UNIVERSITY AVEPullman8Completed5 daysPhone CallCity 311
7/29/20264039 N KILDARE AVEIrving Park45Completed13 daysMobile DeviceCity 311
7/29/2026323 W SCHILLER STNear North Side2Completed12 daysInternetCity 311
7/29/2026408 S FRANKLIN STLoop34Completed8 daysMobile DeviceCity 311
7/29/20262754 N SPAULDING AVELogan Square35Completed12 daysAlderman's OfficeCity 311
7/29/202611117 S SPAULDING AVEMount Greenwood19Completed12 daysAlderman's OfficeCity 311
7/29/20263017 N KOSTNER AVEHermosa31Completed9 daysPhone CallCity 311
7/29/20263345 W 25TH STSouth Lawndale25Completed8 daysMobile DeviceCity 311
7/29/20266479 N NEWARK AVENorwood Park41Completed9 daysMobile DeviceCity 311
7/29/20265033 W WINONA STForest Glen45Completed13 daysInternetCity 311
7/29/2026851 N WOOD STWest Town1Completed12 daysPhone CallCity 311
7/29/20264512 W MONROE STWest Garfield Park28Completed8 daysPhone CallCity 311
7/29/20265316 W CARMEN AVEJefferson Park45Completed13 daysPhone CallCity 311
7/29/20267009 W CORNELIA AVEDunning38Completed16 daysAlderman's OfficeCity 311
7/29/2026851 N WOOD STWest Town1Completed12 daysAlderman's OfficeCity 311
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