RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4460 locations in the last 30 days (4646 reports) · Last sighting 12 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

58,313 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
11/12/20251440 W BARRY AVELake View32Completed2 daysPhone CallCity 311
11/12/20253656 N DAMEN AVENorth Center47Completed2 daysInternetCity 311
11/12/20253027 N LEAVITT STNorth Center32Completed2 daysPhone CallCity 311
11/12/20252640 W POTOMAC AVEWest Town26Completed2 daysPhone CallCity 311
11/12/20254917 W WASHINGTON BLVDAustin28Completed1 dayMobile DeviceCity 311
11/12/20252739 W 83RD PLAshburn18Completed1 dayAlderman's OfficeCity 311
11/12/20256501 S MAPLEWOOD AVEChicago Lawn16Completed1 dayMobile DeviceCity 311
11/12/20256551 S CALIFORNIA AVEChicago Lawn16Completed1 dayMobile DeviceCity 311
11/12/20254933 W IOWA STAustin37Completed2 daysAlderman's OfficeCity 311
11/12/20256338 W NEWPORT AVEDunning30Completed1 dayInternetCity 311
11/12/20252626 S SHIELDS AVEArmour Square11Completed2 daysPhone CallCity 311
11/12/20256265 N NORTHWEST HWYNorwood Park41Completed1 dayPhone CallCity 311
11/12/20251649 N KEDVALE AVEHumboldt Park26Completed1 dayPhone CallCity 311
11/12/20256555 S KENNETH AVEWest Lawn13Completed1 dayAlderman's OfficeCity 311
11/12/20251521S S HARDING AVENorth Lawndale24Completed1 dayPhone CallCity 311
11/12/20252428 W ROOSEVELT RDNear West Side28Completed1 dayPhone CallCity 311
11/12/20256142 N HAMILTON AVEWest Ridge40Completed5 daysPhone CallCity 311
11/12/2025508 S OAKLEY AVENear West Side28Completed1 dayPhone CallCity 311
11/12/20253321 W PENSACOLA AVEIrving Park33Completed1 dayPhone CallCity 311
11/12/20254938 N TROY STAlbany Park33Completed1 dayPhone CallCity 311
11/12/20258601 S EXCHANGE AVESouth Chicago10Completed2 daysPhone CallCity 311
11/12/20254529 S SAWYER AVEBrighton Park12Completed1 dayPhone CallCity 311
11/12/20258839 S EXCHANGE AVESouth Chicago10Completed2 daysWalk-inCity 311
11/12/20255709 W BYRON STPortage Park38Completed1 dayPhone CallCity 311
11/12/20257754 W BELMONT AVEDunning38Completed1 dayPhone CallCity 311
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