RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4534 locations in the last 30 days (4688 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

53,915 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
4/6/20266050 W PATTERSON AVEDunning38Completed1 dayInternetCity 311
12/17/20256454 N BOSWORTH AVERogers Park49Completed1 dayPhone CallCity 311
3/24/20267211 S RHODES AVEGreater Grand Crossing6Completed1 dayPhone CallCity 311
11/6/20259824 S GENOA AVEWashington Heights21Completed1 dayPhone CallCity 311
5/4/20263818 W GEORGE STAvondale31Completed1 dayPhone CallCity 311
1/13/2026118 E 124TH STWest Pullman9Completed1 dayPhone CallCity 311
2/22/202610737 S CENTRAL PARK AVEMount Greenwood19Completed1 dayMobile DeviceCity 311
2/3/20266550 W 64TH STClearing13Completed1 dayInternetCity 311
2/23/20263422 N KILDARE AVEIrving Park30Completed1 dayAlderman's OfficeCity 311
2/12/2026946 W MONTANA STLincoln Park43Completed1 dayInternetCity 311
3/23/20262414 W 25TH STLower West Side25Completed1 dayPhone CallCity 311
1/13/20263425 N HARLEMDunning38Completed1 daySalesforce Mobile AppCity 311
3/22/20265821 S NEWLAND AVEGarfield Ridge13Completed1 dayInternetCity 311
11/20/2025726 N ST CLAIR STNear North Side2Completed1 dayAlderman's OfficeCity 311
10/29/2025918 N OAKLEY BLVDWest Town36Completed1 dayPhone CallCity 311
7/22/20262934 W JEROME STWest Ridge50Completed1 dayMobile DeviceCity 311
7/16/20263335 S ABERDEEN STBridgeport11Completed1 dayPhone CallCity 311
2/10/20261522 W WILSON AVEUptown47Completed1 dayPhone CallCity 311
4/8/20265653 S NASHVILLE AVEGarfield Ridge13Completed1 dayMobile DeviceCity 311
3/9/20265125 S KENWOOD AVEHyde Park4Completed1 dayInternetCity 311
4/7/20263806 N SAWYER AVEIrving Park33Completed1 dayPhone CallCity 311
8/19/20265012 W WOLFRAM STBelmont Cragin31Completed1 dayPhone CallCity 311
8/4/20267501 N RIDGE BLVDRogers Park49Completed1 dayPhone CallCity 311
12/22/20251246 W ALBION AVERogers Park49Completed1 dayInternetCity 311
1/28/20268320 S ADA STAuburn Gresham17Completed1 dayPhone CallCity 311
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