RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4217 locations in the last 30 days (4373 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

56,389 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
9/30/20251625 N MCVICKER AVEAustin29Completed8 daysPhone CallCity 311
9/30/20256233 W WAVELAND AVEDunning38Completed3 daysMobile DeviceCity 311
9/30/20255259 W QUINCY STAustin29Completed2 daysPhone CallCity 311
9/30/20252734 W GIDDINGS STLincoln Square40Completed8 daysInternetCity 311
9/30/20253314 N OAKLEY AVENorth Center32Completed8 daysInternetCity 311
9/30/20256247 N NAPER AVENorwood Park45Completed9 daysInternetCity 311
9/30/20259204 S DREXEL AVEBurnside8Completed3 daysPhone CallCity 311
9/30/20252229 N MANGO AVEBelmont Cragin36Completed7 daysAlderman's OfficeCity 311
9/30/20251942 N FAIRFIELD AVELogan Square1Completed9 daysMobile DeviceCity 311
9/30/20253025 N KARLOV AVEAvondale31Completed8 daysInternetCity 311
9/30/20251920 N HUMBOLDT BLVDLogan Square26Completed8 daysMobile DeviceCity 311
9/30/20257953 S EUCLID AVESouth Chicago8Completed3 daysInternetCity 311
9/30/2025224 W 31ST STArmour Square11Completed10 daysPhone CallCity 311
9/30/20255904 S CAMPBELL AVEChicago Lawn16Completed8 daysAlderman's OfficeCity 311
9/30/20253620 W MARQUETTE RDWest Lawn23Completed6 daysAlderman's OfficeCity 311
9/30/20256315 N CENTRAL PARK AVENorth Park50Completed7 daysPhone CallCity 311
9/30/20255249 S NASHVILLE AVEGarfield Ridge23Completed6 daysAlderman's OfficeCity 311
9/30/20251111 W 21ST STLower West Side25Completed6 daysPhone CallCity 311
9/30/20252525 N CLARK STLincoln Park43Completed8 daysAlderman's OfficeCity 311
9/30/20256477 S NORMANDY AVEClearing13Completed9 daysInternetCity 311
9/30/20255348 S NEENAH AVEGarfield Ridge23Completed6 daysAlderman's OfficeCity 311
9/30/20257943 S JEFFERY BLVDSouth Chicago8Completed3 daysPhone CallCity 311
9/30/20255520 W EDDY STPortage Park30Completed7 daysAlderman's OfficeCity 311
9/30/20252640 S PRINCETON AVEArmour Square11Completed10 daysPhone CallCity 311
9/30/2025616 W SCHUBERT AVELincoln Park43Completed8 daysInternetCity 311
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