RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4578 locations in the last 30 days (4725 reports) · Last sighting 17 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

55,474 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
8/11/20264747 N LINCOLN AVELincoln Square47Completed15 daysMobile DeviceCity 311
8/11/20262142 N DRAKE AVELogan Square35Completed13 daysMobile DeviceCity 311
8/11/20263544 N NEVA AVEDunning38Completed17 daysMobile DeviceCity 311
8/11/20261642 N HAMLIN AVEHumboldt Park26Completed8 daysMobile DeviceCity 311
8/11/20263523 N MARSHFIELD AVELake View47Completed7 daysInternetCity 311
8/11/20268600 S INGLESIDE AVEChatham8Completed13 daysPhone CallCity 311
8/11/20264855 W MONTROSE AVEPortage Park45Completed15 daysPhone CallCity 311
8/11/20262843 N KILDARE AVEHermosa31Completed13 daysMobile DeviceCity 311
8/11/2026508 W 46TH STNew City15Completed2 daysInternetCity 311
8/11/20263247 N ALBANY AVEAvondale33Completed15 daysInternetCity 311
8/11/20262336 W PALMER STLogan Square32Completed13 daysPhone CallCity 311
8/11/20261334 W ARTHUR AVERogers Park49Completed13 daysMobile DeviceCity 311
8/11/20265830 S MOODY AVEGarfield Ridge13Completed13 daysPhone CallCity 311
8/11/20261111 N WESTERN AVEWest Town1Completed13 daysMobile DeviceCity 311
8/11/20261843 W LARCHMONT AVENorth Center47Completed7 daysMobile DeviceCity 311
8/11/20264156 N BELL AVENorth Center47Completed15 daysMobile DeviceCity 311
8/11/20262010 N FREMONT STLincoln Park43Completed15 daysMobile DeviceCity 311
8/11/20264818 N LAWNDALE AVEAlbany Park33Completed15 daysInternetCity 311
8/11/20266602 W SCHORSCH STDunning38Completed15 daysPhone CallCity 311
8/11/20266034 W PATTERSON AVEDunning38Completed14 daysPhone CallCity 311
8/11/20264738 N ASHLAND AVEUptown47Completed14 daysInternetCity 311
8/11/20261025 W CULLERTON STLower West Side25Completed2 daysInternetCity 311
8/11/20265027 N NASHVILLE AVENorwood Park41Completed15 daysInternetCity 311
8/11/20264034 W LEXINGTON STWest Garfield Park24Completed8 daysInternetCity 311
8/11/20263733 W 66TH STWest Lawn23Completed13 daysAlderman's OfficeCity 311
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