RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4500 locations in the last 30 days (4668 reports) · Last sighting 23 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

52,821 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
8/20/20265936 N ST LOUIS AVENorth Park39Completed0 daysInternetCity 311
2/4/20264327 S HERMITAGE AVENew City15Completed0 daysInternetCity 311
11/17/202510746 S EMERALD AVERoseland21Completed0 daysPhone CallCity 311
2/9/20261158 W 20TH PLLower West Side25Completed0 daysInternetCity 311
2/10/20262243 W 19TH STLower West Side25Completed0 daysInternetCity 311
2/19/20262558 W DIVISION STWest Town26Completed0 daysMobile DeviceCity 311
1/21/20266142 S ELLIS AVEWoodlawn20Completed0 daysInternetCity 311
11/7/20253122 S WALLACE STBridgeport11Completed0 daysInternetCity 311
12/14/2025435 E 45TH PLGrand Boulevard3Completed0 daysInternetCity 311
2/3/20267154 S HERMITAGE AVEWest Englewood17Completed0 daysPhone CallCity 311
6/8/2026617 W FULTON STNear West Side34Completed0 daysPhone CallCity 311
12/10/20255311 S WOODLAWN AVEHyde Park5Completed0 daysInternetCity 311
3/19/20267654 N BOSWORTH AVERogers Park49Completed0 daysInternetCity 311
1/9/20267930 S CARPENTER STAuburn Gresham17Completed0 daysInternetCity 311
3/19/2026930 N FAIRFIELD AVEWest Town36Completed0 daysMobile DeviceCity 311
1/13/202610637 S LEast Side10Completed0 daysMobile DeviceCity 311
7/13/20265242 S NARRAGANSETT AVEGarfield Ridge23Completed0 daysInternetCity 311
1/1/20262134 N LEAMINGTON AVEBelmont Cragin26Completed0 daysMobile DeviceCity 311
9/14/202611343 S HAMLIN AVEMount Greenwood19Completed0 daysInternetCity 311
3/11/20263647 W DOUGLAS BLVDNorth Lawndale24Completed0 daysMobile DeviceCity 311
2/9/20261113 W 19TH PLLower West Side25Completed0 daysInternetCity 311
5/25/20261306 S THROOP STNear West Side28Completed0 daysPhone CallCity 311
4/9/2026131 N LARAMIE AVEAustin28Completed0 daysMobile DeviceCity 311
12/30/20259515 S WOODLAWN AVEPullman8Completed0 daysMobile DeviceCity 311
4/1/2026131 N LARAMIE AVEAustin28Completed0 daysMobile DeviceCity 311
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