RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4559 locations in the last 30 days (4714 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.

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

55,880 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
9/19/20254348 W MARQUETTE RDWest Lawn13Completed12 daysPhone CallCity 311
9/19/20256215 N DRAKE AVENorth Park50Completed6 daysPhone CallCity 311
9/19/20254500 S LOWE AVENew City15Completed10 daysInternetCity 311
9/19/20255403 S RIDGEWAY AVEWest Elsdon23Completed11 daysPhone CallCity 311
9/19/20255612 N JERSEY AVENorth Park39Completed11 daysInternetCity 311
9/19/202510023 S BEVERLY AVEWashington Heights21Completed7 daysInternetCity 311
9/19/20257356 N DAMEN AVERogers Park49Completed7 daysMobile DeviceCity 311
9/19/20255004 W WAVELAND AVEPortage Park30Completed10 daysMobile DeviceCity 311
9/19/20253065 S BONFIELD STBridgeport11Completed5 daysPhone CallCity 311
9/19/20255200 S CENTRAL AVEGarfield Ridge23Completed11 daysPhone CallCity 311
9/19/20255358 N MULLIGAN AVEJefferson Park41Completed11 daysPhone CallCity 311
9/19/20251526 W 89TH STAuburn Gresham21Completed11 daysMobile DeviceCity 311
9/19/20253683 N ELSTON AVEIrving Park33Completed11 daysMobile DeviceCity 311
9/19/20251143 N LAWNDALE AVEHumboldt Park36Completed12 daysPhone CallCity 311
9/19/20252312 N HAMILTON AVELogan Square32Completed7 daysPhone CallCity 311
9/19/20254922 N HAMLIN AVEAlbany Park39Completed11 daysInternetCity 311
9/19/20253217 N NARRAGANSETT AVEDunning36Completed12 daysInternetCity 311
9/19/20253609 W DIVERSEY AVELogan Square35Completed12 daysPhone CallCity 311
9/19/20255707 N GLENWOOD AVEEdgewater48Completed7 daysMobile DeviceCity 311
9/19/20254348 W GLADYS AVEWest Garfield Park28Completed11 daysPhone CallCity 311
9/19/20256935 W 64TH STClearing13Completed12 daysAlderman's OfficeCity 311
9/19/20255810 S KILBOURN AVEWest Elsdon13Completed12 daysAlderman's OfficeCity 311
9/19/202510205 S OGLESBY AVESouth Deering7Completed10 daysPhone CallCity 311
9/19/20254024 N LINCOLN AVENorth Center47Completed11 daysInternetCity 311
9/19/20254123 W FLETCHER STAvondale31Completed12 daysInternetCity 311
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