RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4382 locations in the last 30 days (4547 reports) · Last sighting 16 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.

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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

57,594 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
12/5/20253531 W 64TH PLChicago Lawn14Completed3 daysMobile DeviceCity 311
12/5/20255616 W 64TH PLClearing13Completed3 daysMobile DeviceCity 311
4/26/20266232 W FOSTER AVEJefferson Park45Completed3 daysMobile DeviceCity 311
5/26/2026739 N HAMLIN AVEHumboldt Park27Completed3 daysMobile DeviceCity 311
8/3/20252418 W 119TH STMorgan Park19Completed3 daysInternetCity 311
6/7/20261536 N CLAREMONT AVEWest Town1Completed3 daysInternetCity 311
5/18/20262913 S ARCH STBridgeport11Completed3 daysInternetCity 311
10/6/20251846 S SPRINGFIELD AVENorth Lawndale24Completed3 daysMobile DeviceCity 311
6/12/20266813 S KEELER AVEWest Lawn23Completed3 daysInternetCity 311
9/21/20266328 S EBERHART AVEWoodlawn20Completed3 daysInternetCity 311
11/25/20255230 N WINTHROP AVEEdgewater48Completed3 daysMobile DeviceCity 311
4/26/20266215 W CATALPA AVEJefferson Park45Completed3 daysMobile DeviceCity 311
5/12/20264830 N LAWNDALE AVEAlbany Park33Completed3 daysInternetCity 311
6/22/20264343 N TROY STIrving Park33Completed3 daysInternetCity 311
3/20/20265824 N MOODY AVENorwood Park45Completed3 daysMobile DeviceCity 311
6/23/202612054 S PERRY AVEWest Pullman9Completed3 daysPhone CallCity 311
6/1/20263614 W SHAKESPEARE AVELogan Square35Completed3 daysInternetCity 311
6/6/20265958 S KILBOURN AVEWest Lawn13Completed3 daysInternetCity 311
5/11/20265224 N NEWCASTLE AVENorwood Park41Completed3 daysInternetCity 311
11/3/20252432 W CORTEZ STWest Town36Completed3 daysInternetCity 311
3/27/20265010 N WINCHESTER AVELincoln Square40Completed3 daysInternetCity 311
11/25/20252863 N CLARK STLake View44Completed3 daysInternetCity 311
6/1/20262720 W JEROME STWest Ridge50Completed3 daysMobile DeviceCity 311
5/26/20261949 N HALSTED STLincoln Park43Completed3 daysMobile DeviceCity 311
3/28/20262649 W CORTEZ STWest Town36Completed3 daysMobile DeviceCity 311
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