RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4647 locations in the last 30 days (4803 reports) · Last sighting 16 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

55,690 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
8/6/20264916 N FRANCISCO AVELincoln Square40Completed1 dayPhone CallCity 311
8/6/20262112 W MADISON STNear West Side27Completed14 daysPhone CallCity 311
8/6/20262524 W FARRAGUT AVELincoln Square40Completed1 dayPhone CallCity 311
8/6/20267345 S ABERDEEN STEnglewood17Completed7 daysPhone CallCity 311
8/6/20261337 N LAVERGNE AVEAustin37Completed6 daysPhone CallCity 311
8/6/20267439 N ARTESIAN AVEWest Ridge50Completed8 daysPhone CallCity 311
8/6/20267816 S EMERALD AVEAuburn Gresham17Completed7 daysInternetCity 311
8/6/202610327 S ARTESIAN AVEBeverly19Completed1 dayPhone CallCity 311
8/6/20261528 N LARAMIE AVEAustin37Completed6 daysPhone CallCity 311
8/6/20265213 W MELROSE STPortage Park30Completed14 daysAlderman's OfficeCity 311
8/6/20265209 W MELROSE STPortage Park30Completed14 daysAlderman's OfficeCity 311
8/6/20265211 W MELROSE STPortage Park30Completed14 daysAlderman's OfficeCity 311
8/6/20262710 N RIDGEWAY AVELogan Square35Completed15 daysInternetCity 311
8/6/20261715 N TRIPP AVEHumboldt Park26Completed13 daysInternetCity 311
8/6/20261706 N SPRINGFIELD AVEHumboldt Park26Completed13 daysInternetCity 311
8/6/20261928 N PULASKI RDHermosa26Completed13 daysInternetCity 311
8/6/20266154 W FLETCHER STBelmont Cragin30Completed14 daysInternetCity 311
8/6/20264948 N WINCHESTER AVELincoln Square47Completed14 daysInternetCity 311
8/6/20264026 W NELSON STAvondale31Completed14 daysInternetCity 311
8/6/20262896 S ARCHER AVEBridgeport11Completed8 daysInternetCity 311
8/6/2026459 W 28TH PLBridgeport11Completed8 daysInternetCity 311
8/6/20263417 S RACINE AVEBridgeport11Completed8 daysInternetCity 311
8/6/20264701 W HARRISON STAustin24Completed4 daysPhone CallCity 311
8/6/20262245 S MICHIGAN AVENear South Side3Completed4 daysInternetCity 311
8/6/20264157 W 24TH PLSouth Lawndale22Completed7 daysAlderman's OfficeCity 311
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