RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4468 locations in the last 30 days (4648 reports) · Last sighting 22 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

58,010 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
7/2/2026737 N LA SALLE STNear North Side42Completed6 daysInternetCity 311
7/2/20265708 S HARPER AVEHyde Park5Completed6 daysMobile DeviceCity 311
7/2/20263912 N KILDARE AVEIrving Park30Completed6 daysPhone CallCity 311
7/2/20262326 W JARVIS AVEWest Ridge50Completed5 daysMobile DeviceCity 311
7/2/20266146 N WASHTENAW AVEWest Ridge40Completed8 daysMobile DeviceCity 311
7/2/20264107 N DICKINSON AVEPortage Park45Completed11 daysPhone CallCity 311
7/2/20265353 N MULLIGAN AVEJefferson Park45Completed11 daysPhone CallCity 311
7/2/20262126 W WARNER AVENorth Center47Completed7 daysMobile DeviceCity 311
7/2/20267628 S MAPLEWOOD AVEAshburn18Completed7 daysPhone CallCity 311
7/2/20262832 N RACINE AVELake View32Completed7 daysMobile DeviceCity 311
7/2/20262740 S DRAKE AVESouth Lawndale22Completed5 daysPhone CallCity 311
7/2/20267553 S ESSEX AVESouth Shore7Completed6 daysPhone CallCity 311
7/2/20262727 S ELEANOR STBridgeport11Completed7 daysInternetCity 311
7/2/20261641 W FARRAGUT AVEEdgewater40Completed5 daysInternetCity 311
7/2/20264734 S PRAIRIE AVEGrand Boulevard3Completed8 daysPhone CallCity 311
7/2/20262619 W CRYSTAL STWest Town26Completed6 daysInternetCity 311
7/2/20262129 N KENMORE AVELincoln Park43Completed7 daysMobile DeviceCity 311
7/2/20263036 S PULASKI RDSouth Lawndale22Completed5 daysInternetCity 311
7/2/20265135 S MCVICKER AVEGarfield Ridge23Completed7 daysPhone CallCity 311
7/2/20264152 N AUSTIN AVEPortage Park38Completed11 daysMobile DeviceCity 311
7/2/20265439 S NASHVILLE AVEGarfield Ridge23Completed7 daysAlderman's OfficeCity 311
7/2/20262640 W PRATT AVEWest Ridge50Completed5 daysInternetCity 311
7/2/20264138 N CLAREMONT AVENorth Center47Completed7 daysInternetCity 311
7/2/20265355 N LINDER AVEJefferson Park45Completed7 daysPhone CallCity 311
7/2/20262413 N SPAULDING AVELogan Square35Completed7 daysMobile DeviceCity 311
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