RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4568 locations in the last 30 days (4723 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

53,761 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
8/28/20264331 W 25TH PLSouth Lawndale22Completed7 daysMobile DeviceCity 311
8/28/20265611 N JERSEY AVENorth Park39Completed17 daysInternetCity 311
8/28/20262415 N MCVICKER AVEBelmont Cragin30Completed11 daysInternetCity 311
8/28/2026415 N MILWAUKEE AVEWest Town27Completed7 daysInternetCity 311
8/28/202610524 S VERNON AVERoseland9Completed14 daysPhone CallCity 311
8/28/20265237 N MEADE AVEJefferson Park45Completed13 daysMobile DeviceCity 311
8/28/20264844 W MADISON STAustin28Completed7 daysMobile DeviceCity 311
8/28/20265654 W BYRON STPortage Park38Completed13 daysInternetCity 311
8/28/20262823 N KEDZIE AVEAvondale35Completed13 daysInternetCity 311
8/28/20261611 W FARGO AVERogers Park49Completed14 daysPhone CallCity 311
8/28/20265113 N WOLCOTT AVELincoln Square40Completed12 daysInternetCity 311
8/28/2026931 N WINCHESTER AVEWest Town36Completed13 daysInternetCity 311
8/28/2026759 E 75TH STGreater Grand Crossing6Completed4 daysPhone CallCity 311
8/28/20263452 N KILDARE AVEIrving Park30Completed11 daysPhone CallCity 311
8/28/20265111 N WOLCOTT AVELincoln Square40Completed12 daysInternetCity 311
8/28/20266912 W FOSTER AVENorwood Park41Completed13 daysMobile DeviceCity 311
8/28/20265149 S MOBILE AVEGarfield Ridge23Completed13 daysInternetCity 311
8/28/20266436 S MOZART STChicago Lawn15Completed6 daysPhone CallCity 311
8/28/202610557 S WALLACE STRoseland21Completed13 daysPhone CallCity 311
8/28/20261508 W DIVERSEY PKWYLake View32Completed17 daysInternetCity 311
8/28/20262434 W MONTROSE AVELincoln Square47Completed14 daysPhone CallCity 311
8/28/20265154 N ELSTON AVEForest Glen45Completed17 daysInternetCity 311
8/28/20266911 S KOMENSKY AVEWest Lawn23Completed13 daysAlderman's OfficeCity 311
8/28/20262215 W EASTWOOD AVELincoln Square47Completed14 daysMobile DeviceCity 311
8/28/20263941 W 59TH STWest Lawn23Completed13 daysInternetCity 311
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