RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4174 locations in the last 30 days (4327 reports) · Last sighting 2 days 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

56,145 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
7/29/20262724 W SHERWIN AVEWest Ridge50Completed7 daysMobile DeviceCity 311
7/29/20269243 S DOBSON AVEBurnside8Completed1 dayPhone CallCity 311
7/29/20265358 S NATCHEZ AVEGarfield Ridge23Completed13 daysAlderman's OfficeCity 311
7/29/202612439 S UNION AVEWest Pullman9Completed1 dayPhone CallCity 311
7/29/20265835 S MELVINA AVEGarfield Ridge13Completed7 daysInternetCity 311
7/29/20262717 N SEMINARY AVELincoln Park43Completed8 daysMobile DeviceCity 311
7/29/20266010 W WAVELAND AVEDunning38Completed1 dayMobile DeviceCity 311
7/29/2026822 N LOREL AVEAustin37Completed14 daysPhone CallCity 311
7/29/20263745 N SHEFFIELD AVELake View44Completed9 daysInternetCity 311
7/29/20265746 S CHRISTIANA AVEGage Park14Completed7 daysPhone CallCity 311
7/29/20261243 W 107TH PLMorgan Park21Completed7 daysPhone CallCity 311
7/29/20263429 W 38TH STBrighton Park12Completed12 daysPhone CallCity 311
7/29/20261944 W BERWYN AVELincoln Square40Completed13 daysInternetCity 311
7/29/20263141 N NATCHEZ AVEBelmont Cragin36Completed13 daysInternetCity 311
7/29/20261828 W GRACE STNorth Center47Completed12 daysAlderman's OfficeCity 311
7/29/20262802 S MILLARD AVESouth Lawndale22Completed9 daysPhone CallCity 311
7/29/20261337 W HENDERSON STLake View44Completed9 daysPhone CallCity 311
7/29/20263320 W WRIGHTWOOD AVELogan Square35Completed12 daysInternetCity 311
7/29/20261457 W LELAND AVEUptown46Completed6 daysInternetCity 311
7/29/20262842 N TRIPP AVEHermosa31Completed9 daysMobile DeviceCity 311
7/29/20263051 S LYMAN STBridgeport11Completed12 daysPhone CallCity 311
7/29/20263538 N PAULINA STLake View47Completed12 daysAlderman's OfficeCity 311
7/29/20262510 N WAYNE AVELincoln Park32Completed13 daysMobile DeviceCity 311
7/29/20268200 S AVALON AVEAvalon Park8Completed5 daysMobile DeviceCity 311
7/29/20262216 W 119TH STMorgan Park19Completed7 daysMobile DeviceCity 311
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