RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4628 locations in the last 30 days (4795 reports) · Last sighting 9 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

53,164 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
8/3/20251645 N KEELER AVEHumboldt Park26Completed5 daysPhone CallCity 311
8/3/20252208 W THOME AVEWest Ridge50Completed8 daysInternetCity 311
8/3/20252300 W WASHINGTON BLVDNear West Side27Completed3 daysPhone CallCity 311
8/3/2025926 W 35TH PLBridgeport11Completed5 daysInternetCity 311
8/3/20254912 N NEWCASTLE AVENorwood Park41Completed15 daysMobile DeviceCity 311
8/3/20253858 S VERNON AVEDouglas4Completed2 daysInternetCity 311
8/3/20255831 N MARMORA AVEJefferson Park45Completed10 daysInternetCity 311
8/3/20251945 W FARRAGUT AVELincoln Square40Completed9 daysInternetCity 311
8/3/20252428 W CORTEZ STWest Town36Completed12 daysInternetCity 311
8/3/20255647 N MANGO AVEJefferson Park45Completed1 dayInternetCity 311
8/3/20253714 N JANSSEN AVELake View44Completed9 daysInternetCity 311
8/3/202510936 S SPRINGFIELD AVEMount Greenwood19Completed11 daysInternetCity 311
8/3/20252014 W PENSACOLA AVENorth Center47Completed11 daysMobile DeviceCity 311
8/3/20256611 N SHERIDAN RDRogers Park49Completed8 daysInternetCity 311
8/3/20252849 N KILDARE AVEHermosa31Completed11 daysInternetCity 311
8/3/2025728 W 116TH PLWest Pullman21Completed11 daysPhone CallCity 311
8/3/20255428 W DAKIN STPortage Park30Completed10 daysInternetCity 311
8/3/20253424 N NOTTINGHAM AVEDunning38Completed12 daysMobile DeviceCity 311
8/3/20253449 N SEMINARY AVELake View44Completed9 daysInternetCity 311
8/3/20253618 W ROSCOE STAvondale30Completed12 daysMobile DeviceCity 311
8/3/20255247 S MEADE AVEGarfield Ridge23Completed10 daysMobile DeviceCity 311
8/3/20257407 S DREXEL AVEGreater Grand Crossing6Completed10 daysInternetCity 311
8/3/20257411 S DREXEL AVEGreater Grand Crossing6Completed10 daysInternetCity 311
8/3/20254243 N MARMORA AVEPortage Park38Completed12 daysMobile DeviceCity 311
8/3/20253513 N ALBANY AVEAvondale33Completed11 daysInternetCity 311
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