RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4460 locations in the last 30 days (4617 reports) · Last sighting 17 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

56,073 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
9/22/20253610 S STATE STDouglas3Completed9 daysInternetCity 311
9/22/20253559 S FEDERAL STDouglas3Completed9 daysInternetCity 311
9/22/202541 W 36TH STDouglas3Completed9 daysInternetCity 311
9/22/202522 W 37TH STDouglas3Completed9 daysInternetCity 311
9/22/202542 W 37TH STDouglas3Completed9 daysInternetCity 311
9/22/20253912 N RIDGEWAY AVEIrving Park45Completed7 daysPhone CallCity 311
9/22/20255733 S CALUMET AVEWashington Park20Completed9 daysInternetCity 311
9/22/20256247 N NAPER AVENorwood Park45Completed8 daysInternetCity 311
9/22/20254726 N WINCHESTER AVELincoln Square47Completed10 daysMobile DeviceCity 311
9/22/20251600 S ST LOUIS AVENorth Lawndale24Completed6 daysInternetCity 311
9/22/20251333 W PRATT BLVDRogers Park49Completed9 daysInternetCity 311
9/22/20254153 N MONTICELLO AVEIrving Park33Completed9 daysInternetCity 311
9/22/20252101 W 71ST PLWest Englewood17Completed10 daysInternetCity 311
9/22/20252019 S THROOP STLower West Side25Completed8 daysMobile DeviceCity 311
9/22/20256924 S HONORE STWest Englewood17Completed9 daysPhone CallCity 311
9/22/20256351 S ST LAWRENCE AVEWoodlawn20Completed9 daysMobile DeviceCity 311
9/22/20253837 N NEW ENGLAND AVEDunning38Completed8 daysInternetCity 311
9/22/20252427 W BELLE PLAINE AVENorth Center47Completed10 daysMobile DeviceCity 311
9/22/20255219 S HARDING AVEWest Elsdon23Completed10 daysInternetCity 311
9/22/20253721 N WILTON AVELake View46Completed8 daysInternetCity 311
9/22/2025805 W BUCKINGHAM PLLake View44Completed7 daysMobile DeviceCity 311
9/22/20253717 N WILTON AVELake View46Completed8 daysInternetCity 311
9/22/20256357 S GREENWOOD AVEWoodlawn20Completed9 daysInternetCity 311
9/22/20252145 S KEDZIE AVESouth Lawndale24Completed6 daysInternetCity 311
9/22/20255225 S KEATING AVEGarfield Ridge23Completed8 daysInternetCity 311
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