RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4508 locations in the last 30 days (4659 reports) · Last sighting 21 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.

32080fewer → more

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

54,350 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
8/19/20254940 N WINTHROP AVEUptown48Completed14 daysInternetCity 311
8/19/20252841 W 64TH STChicago Lawn15Completed7 daysPhone CallCity 311
8/19/20252127 W SUNNYSIDE AVELincoln Square47Completed14 daysInternetCity 311
8/19/20256157 N HAMILTON AVEWest Ridge40Completed9 daysMobile DeviceCity 311
8/19/20256145 N HAMILTON AVEWest Ridge40Completed9 daysMobile DeviceCity 311
8/19/20258519 S BUFFALO AVESouth Chicago10Completed7 daysInternetCity 311
8/19/20252916 N NEW ENGLAND AVEMontclare36Completed10 daysspot-open311-Chicago+WorksCity 311
8/19/20251338 W HUBBARD STWest Town1Completed10 daysMobile DeviceCity 311
8/19/20253943 W ADDISON STAvondale30Completed10 daysMobile DeviceCity 311
8/19/20255111 W HENDERSON STPortage Park31Completed14 daysInternetCity 311
8/19/20252725 W ESTES AVEWest Ridge50Completed9 daysMobile DeviceCity 311
8/19/20253841 W 84TH PLAshburn18Completed8 daysMobile DeviceCity 311
8/19/20252311 W WASHINGTON BLVDNear West Side27Completed1 dayPhone CallCity 311
8/19/20251010 W BELDEN AVELincoln Park43Completed14 daysMobile DeviceCity 311
8/19/20251641 E 92ND STCalumet Heights8Completed7 daysPhone CallCity 311
8/19/20255830 W CORNELIA AVEPortage Park30Completed7 daysMobile DeviceCity 311
8/19/20252836 S CHRISTIANA AVESouth Lawndale22Completed7 daysPhone CallCity 311
8/19/20252035 E 73RD STSouth Shore7Completed6 daysPhone CallCity 311
8/19/20255538 S ROCKWELL STGage Park15Completed7 daysInternetCity 311
8/19/2025704 S DEARBORN STLoop4Completed9 daysMobile DeviceCity 311
8/19/20255037 S LAVERGNE AVEGarfield Ridge23Completed10 daysMobile DeviceCity 311
8/19/20253624 N ASHLAND AVELake View47Completed14 daysPhone CallCity 311
8/19/20251738 W ROSCOE STLake View47Completed14 daysInternetCity 311
8/19/20252918 W 63RD STChicago Lawn15Completed7 daysInternetCity 311
8/19/20252840 N SOUTHPORT AVELake View32Completed14 daysInternetCity 311
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