RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4790 locations in the last 30 days (4949 reports) · Last sighting 11 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

55,179 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
8/29/20251003 N DAMEN AVEWest Town1Completed12 daysInternetCity 311
8/29/20252802 N WOLCOTT AVENorth Center32Completed7 daysInternetCity 311
8/29/20255853 W GRACE STPortage Park38Completed11 daysMobile DeviceCity 311
8/29/2025728 S DEARBORN STLoop4Completed11 daysMobile DeviceCity 311
8/29/20257729 S ABERDEEN STAuburn Gresham17Completed11 daysPhone CallCity 311
8/29/20252338 N MONITOR AVEBelmont Cragin36Completed10 daysPhone CallCity 311
8/29/20254509 W HARRISON STWest Garfield Park28Completed11 daysPhone CallCity 311
8/29/20257301 W NORTH SHORE AVEEdison Park41Completed13 daysAlderman's OfficeCity 311
8/29/20257301 W NORTH SHORE AVEEdison Park41Completed13 daysAlderman's OfficeCity 311
8/29/2025148 N PINE AVEAustin37Completed12 daysAlderman's OfficeCity 311
8/29/20252507 N LOWELL AVEHermosa31Completed13 daysPhone CallCity 311
8/29/20252800 N KENNETH AVEHermosa31Completed13 daysAlderman's OfficeCity 311
8/29/20255112 W NELSON STBelmont Cragin31Completed13 daysAlderman's OfficeCity 311
8/29/20255205 W CORNELIA AVEPortage Park31Completed13 daysPhone CallCity 311
8/29/20253500 N LARAMIE AVEPortage Park31Completed13 daysPhone CallCity 311
8/29/20252445 N BURLING STLincoln Park43Completed12 daysPhone CallCity 311
8/29/20258415 S ADA STAuburn Gresham17Completed11 daysPhone CallCity 311
8/29/20255258 W 63RD PLClearing13Completed11 daysAlderman's OfficeCity 311
8/29/20253724 N NEVA AVEDunning38Completed11 daysMobile DeviceCity 311
8/29/202510728 S HAMLIN AVEMount Greenwood19Completed10 daysPhone CallCity 311
8/29/20255218 W WAVELAND AVEPortage Park30Completed10 daysAlderman's OfficeCity 311
8/29/20255708 N KEYSTONE AVENorth Park39Completed12 daysPhone CallCity 311
8/29/20252542 S SPRINGFIELD AVESouth Lawndale22Completed12 daysAlderman's OfficeCity 311
8/29/20252435 W HADDON AVEWest Town36Completed10 daysMobile DeviceCity 311
8/29/202510422 S ST LOUIS AVEMount Greenwood19Completed10 daysInternetCity 311
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