RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4349 locations in the last 30 days (4531 reports) · Last sighting yesterday

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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

58,146 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
6/29/20261744 W SCHOOL STLake View32Completed2 daysMobile DeviceCity 311
6/29/20261433 W SUPERIOR STWest Town27Completed7 daysInternetCity 311
6/29/20261941 N ORCHARD STLincoln Park43Completed3 daysInternetCity 311
6/29/20265625 W 64TH STClearing13Completed3 daysInternetCity 311
6/29/20266049 N BERNARD STNorth Park50Completed3 daysInternetCity 311
6/29/20265720 S NAGLE AVEGarfield Ridge13Completed3 daysMobile DeviceCity 311
6/29/20263102 S WELLS STArmour Square11Completed7 daysInternetCity 311
6/29/20262825 N LOWELL AVEHermosa31Completed9 daysPhone CallCity 311
6/29/20263834 N DAMEN AVENorth Center47Completed7 daysAlderman's OfficeCity 311
6/29/20262256 W WARREN BLVDNear West Side27Completed7 daysPhone CallCity 311
6/29/2026809 W GEORGE STLake View44Completed7 daysInternetCity 311
6/29/20261946 N SEMINARY AVELincoln Park43Completed3 daysInternetCity 311
6/29/20268425 S HONORE STAuburn Gresham18Completed2 daysPhone CallCity 311
6/29/20265738 N WASHTENAW AVEWest Ridge40Completed2 daysMobile DeviceCity 311
6/29/20263955 N PARIS AVEDunning38Completed7 daysMobile DeviceCity 311
6/29/20263943 N LOWELL AVEIrving Park30Completed7 daysInternetCity 311
6/29/20265812 S MOODY AVEGarfield Ridge13Completed3 daysInternetCity 311
6/29/20269546 S GREEN STWashington Heights21Completed8 daysPhone CallCity 311
6/29/20266814 S ANTHONY AVEGreater Grand Crossing6Completed2 daysInternetCity 311
6/29/20265041 S MICHIGAN AVEGrand Boulevard3Completed2 daysMobile DeviceCity 311
6/29/20263506 W 60TH STChicago Lawn14Completed1 dayPhone CallCity 311
6/29/20269745 S EMERALD AVEWashington Heights21Completed3 daysInternetCity 311
6/29/20268653 S TRIPP AVEAshburn18Completed2 daysInternetCity 311
6/29/20268327 S KERFOOT AVEAuburn Gresham21Completed3 daysInternetCity 311
6/29/20268384 S KERFOOT AVEAuburn Gresham21Completed3 daysInternetCity 311
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