RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4379 locations in the last 30 days (4540 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

53,243 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
7/7/202610908 S HOMAN AVEMount Greenwood19Completed1 dayAlderman's OfficeCity 311
2/11/2026739 N RIDGEWAY AVEHumboldt Park27Completed1 dayPhone CallCity 311
2/5/20261621 N SEDGWICK STLincoln Park2Completed1 dayInternetCity 311
11/25/20256200 S NORMANDY AVEClearing13Completed1 dayInternetCity 311
1/15/20265431 N NEENAH AVENorwood Park41Completed1 dayInternetCity 311
2/23/20268261 S BURLEY AVESouth Chicago7Completed1 dayInternetCity 311
4/20/20262943 N SACRAMENTO AVEAvondale35Completed1 dayAlderman's OfficeCity 311
12/8/20252530 N TALMAN AVELogan Square1Completed1 dayInternetCity 311
8/4/20265035 S CHRISTIANA AVEGage Park14Completed1 dayMobile DeviceCity 311
1/5/20263910 W 83RD PLAshburn18Completed1 dayMobile DeviceCity 311
1/20/20261116 W ROSCOE STLake View44Completed1 dayInternetCity 311
2/10/20261129 W CHICAGO AVEWest Town27Completed1 dayMobile DeviceCity 311
11/19/20255801 N MOBILE AVENorwood Park45Completed1 dayMobile DeviceCity 311
2/19/2026910 W 95TH STWashington Heights21Completed1 dayAlderman's OfficeCity 311
3/4/20264627 S CALUMET AVEGrand Boulevard3Completed1 dayPhone CallCity 311
5/19/20261611 S DRAKE AVENorth Lawndale24Completed1 dayAlderman's OfficeCity 311
2/26/20265409 S RICHMOND STGage Park14Completed1 dayPhone CallCity 311
12/23/20252329 W WALTON STWest Town36Completed1 dayMobile DeviceCity 311
12/4/20253401 N TRIPP AVEIrving Park30Completed1 dayAlderman's OfficeCity 311
11/17/20251360 W TOUHY AVERogers Park49Completed1 dayMobile DeviceCity 311
2/4/20266134 W 64TH STClearing13Completed1 dayPhone CallCity 311
12/15/20251811W W CUYLER AVENorth Center47Completed1 dayPhone CallCity 311
2/17/20265818 W NEWPORT AVEPortage Park30Completed1 dayMobile DeviceCity 311
3/26/202611843 S YALE AVEWest Pullman9Completed1 dayPhone CallCity 311
12/15/20256538 N HARLEM AVEEdison Park41Completed1 dayPhone CallCity 311
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