RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4612 locations in the last 30 days (4767 reports) · Last sighting 13 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

54,350 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
8/18/20253248 N SOUTHPORT AVELake View44Completed15 daysMobile DeviceCity 311
8/18/20253531 N PONTIAC AVEDunning38Completed8 daysAlderman's OfficeCity 311
8/18/20255120 S KENWOOD AVEHyde Park4Completed8 daysPhone CallCity 311
8/18/20255630 N MOODY AVENorwood Park45Completed15 daysPhone CallCity 311
8/18/20253701 N NOTTINGHAM AVEDunning38Completed9 daysAlderman's OfficeCity 311
8/18/20252949 W DEVON AVEWest Ridge50Completed10 daysAlderman's OfficeCity 311
8/18/2025854 N HOYNE AVEWest Town36Completed9 daysAlderman's OfficeCity 311
8/18/2025856 N HOYNE AVEWest Town36Completed9 daysAlderman's OfficeCity 311
8/18/20259549 S AVALON AVEPullman8Completed8 daysPhone CallCity 311
8/18/20251537 W JARVIS AVERogers Park49Completed15 daysAlderman's OfficeCity 311
8/18/20255515 W IRVING PARK RDPortage Park30Completed8 daysAlderman's OfficeCity 311
8/18/20255610 N WESTERN AVEWest Ridge40Completed10 daysInternetCity 311
8/18/20253030 S THROOP STBridgeport11Completed8 daysAlderman's OfficeCity 311
8/18/20254430 N CLIFTON AVEUptown46Completed8 daysMobile DeviceCity 311
8/18/20251725 W 16TH STLower West Side25Completed9 daysAlderman's OfficeCity 311
8/18/20255612 N MAJOR AVEJefferson Park45Completed15 daysPhone CallCity 311
8/18/20254922 W MEDILL AVEBelmont Cragin31Completed11 daysPhone CallCity 311
8/18/20255601 W MADISON STAustin29Completed9 daysInternetCity 311
8/18/20251628 S SAWYER AVENorth Lawndale24Completed8 daysPhone CallCity 311
8/18/20252933 W BALMORAL AVELincoln Square39Completed10 daysPhone CallCity 311
8/18/20253922 N LECLAIRE AVEPortage Park45Completed15 daysPhone CallCity 311
8/18/20252933 W BALMORAL AVELincoln Square39Completed10 daysPhone CallCity 311
8/18/2025539 W 43RD STNew City11Completed8 daysPhone CallCity 311
8/18/20251047 S OAKLEY AVENear West Side28Completed8 daysInternetCity 311
8/18/20254436 N MALDEN STUptown46Completed15 daysInternetCity 311
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