RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4662 locations in the last 30 days (4819 reports) · Last sighting 14 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

55,690 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
9/8/20266217 S MASSASOIT AVEClearing13Completed14 daysInternetCity 311
6/3/20266217 S LANGLEY AVEWoodlawn20Completed2 daysPhone CallCity 311
6/8/20266217 S ASHLAND AVEWest Englewood16Completed3 daysPhone CallCity 311
9/18/20266217 N TALMAN AVEWest Ridge50Completed17 daysPhone CallCity 311
10/8/20266217 N TALMAN AVEWest Ridge50Open—Phone CallCity 311
9/10/20256217 N ST LOUIS AVENorth Park50Completed1 dayPhone CallCity 311
5/29/20266217 N MAGNOLIA AVEEdgewater48Completed4 daysMobile DeviceCity 311
9/30/20256217 N LA CROSSE AVEForest Glen39Completed9 daysMobile DeviceCity 311
8/7/20266217 N CICERO AVEForest Glen39Completed11 daysMobile DeviceCity 311
8/6/20266216 W GRAND AVEBelmont Cragin36Completed6 daysMobile DeviceCity 311
4/13/20266216 W EDDY STDunning30Completed2 daysPhone CallCity 311
4/3/20266216 S MASON AVEClearing13Completed3 daysMobile DeviceCity 311
10/30/20256216 S HERMITAGE AVEWest Englewood15Completed1 dayPhone CallCity 311
4/10/20266216 N LAWNDALE AVENorth Park50Completed3 daysPhone CallCity 311
5/5/20266216 N LAWNDALE AVENorth Park50Completed2 daysPhone CallCity 311
4/24/20266216 N LAWNDALE AVENorth Park50Completed4 daysPhone CallCity 311
4/16/20266216 N LAWNDALE AVENorth Park50Completed1 dayInternetCity 311
5/27/20266216 N LAWNDALE AVENorth Park50Completed1 dayPhone CallCity 311
7/5/20266216 N FOREST GLEN AVEForest Glen39Completed8 daysInternetCity 311
5/22/20266216 N BROADWAYEdgewater48Completed4 daysMobile DeviceCity 311
8/7/20256216 N BERNARD STNorth Park50Completed8 daysInternetCity 311
9/11/20256215 W MELROSE STDunning30Completed11 daysMobile DeviceCity 311
7/30/20266215 W GRAND AVEBelmont Cragin36Completed13 daysPhone CallCity 311
2/27/20266215 W FULLERTON AVEBelmont Cragin36Completed4 daysMobile DeviceCity 311
4/26/20266215 W CATALPA AVEJefferson Park45Completed3 daysMobile DeviceCity 311
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