RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4657 locations in the last 30 days (4815 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

53,761 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
8/11/20256660 W HAYES AVENorwood Park41Completed11 daysMobile DeviceCity 311
8/11/20259354 S LAFAYETTE AVERoseland9Completed11 daysAlderman's OfficeCity 311
8/11/20259350 S LAFAYETTE AVERoseland9Completed11 daysAlderman's OfficeCity 311
8/11/20254906 N PULASKI RDAlbany Park39Completed8 daysPhone CallCity 311
8/11/20259350 S LAFAYETTE AVERoseland9Completed11 daysAlderman's OfficeCity 311
8/11/20252207 W CULLOM AVENorth Center47Completed11 daysInternetCity 311
8/11/20252942 W MARQUETTE RDChicago Lawn15Completed4 daysAlderman's OfficeCity 311
8/11/20253214 W LELAND AVEAlbany Park33Completed11 daysInternetCity 311
8/11/20252228 W EASTWOOD AVELincoln Square47Completed7 daysInternetCity 311
8/11/20256742 W 64TH PLClearing13Completed10 daysInternetCity 311
8/11/20253359 N NEVA AVEDunning38Completed11 daysAlderman's OfficeCity 311
8/11/20252424 W THOMAS STWest Town26Completed4 daysInternetCity 311
8/11/20252248 N KENMORE AVELincoln Park43Completed11 daysMobile DeviceCity 311
8/11/202510007 S WENTWORTH AVERoseland9Completed11 daysMobile DeviceCity 311
8/11/2025138 E 120TH STWest Pullman9Completed11 daysAlderman's OfficeCity 311
8/11/20251338 N MONTICELLO AVEHumboldt Park26Completed8 daysMobile DeviceCity 311
8/11/20253535 N NORDICA AVEDunning38Completed9 daysPhone CallCity 311
8/11/2025700 N SAWYER AVEHumboldt Park27Completed15 daysMobile DeviceCity 311
8/11/20256130 W FLETCHER STBelmont Cragin30Completed11 daysMobile DeviceCity 311
8/11/2025651 W 31ST STBridgeport11Completed4 daysAlderman's OfficeCity 311
8/11/2025711 W 31ST STBridgeport11Completed4 daysAlderman's OfficeCity 311
8/11/20256522 N NIXON AVENorwood Park41Completed14 daysAlderman's OfficeCity 311
8/11/20255651 N MOODY AVENorwood Park45Completed10 daysAlderman's OfficeCity 311
8/11/20252021 W HUNT AVEBeverly19Completed14 daysAlderman's OfficeCity 311
8/11/20251239 W FOSTER AVEUptown47Completed10 daysInternetCity 311
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