RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4626 locations in the last 30 days (4776 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

55,179 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
8/19/20261910 N CALIFORNIA AVELogan Square1Completed12 daysMobile DeviceCity 311
8/7/20254931 W KAMERLING AVEAustin37Completed12 daysInternetCity 311
7/15/202612842 S EMERALD AVEWest Pullman9Completed12 daysInternetCity 311
8/24/20256243 W FLETCHER STBelmont Cragin30Completed12 daysInternetCity 311
9/6/20252616 S MILLARD AVESouth Lawndale22Completed12 daysMobile DeviceCity 311
7/17/20263510 N OZANAM AVEDunning38Completed12 daysInternetCity 311
9/11/20253336 N PACIFIC AVEDunning38Completed12 daysMobile DeviceCity 311
8/29/20252134 W IRVING PARK RDNorth Center47Completed12 daysInternetCity 311
9/18/20254416 N GREENVIEW AVEUptown47Completed12 daysInternetCity 311
8/5/20269941 S GREEN STWashington Heights21Completed12 daysPhone CallCity 311
7/29/20266100 S HONORE STWest Englewood15Completed12 daysAlderman's OfficeCity 311
8/14/20252311 W MONROE STNear West Side27Completed12 daysInternetCity 311
9/11/20268037 S GREEN STAuburn Gresham17Completed12 daysPhone CallCity 311
10/3/20251047 N LARAMIE AVEAustin37Completed12 daysPhone CallCity 311
9/4/20252534 W FULLERTON AVELogan Square1Completed12 daysPhone CallCity 311
7/31/2026913 W CORNELIA AVELake View44Completed12 daysMobile DeviceCity 311
8/14/20264219 W LELAND AVEAlbany Park39Completed12 daysPhone CallCity 311
8/21/20265558 W EDMUNDS STJefferson Park45Completed12 daysMobile DeviceCity 311
9/4/20263634 W 71ST STWest Lawn23Completed12 daysAlderman's OfficeCity 311
8/9/20264754 N KEWANEE AVEAlbany Park39Completed12 daysPhone CallCity 311
8/28/20255632 S KILBOURN AVEWest Elsdon13Completed12 daysAlderman's OfficeCity 311
9/17/20252022 N WHIPPLE STLogan Square1Completed12 daysInternetCity 311
7/22/202610933 S WABASH AVERoseland9Completed12 daysInternetCity 311
9/19/20254348 W MARQUETTE RDWest Lawn13Completed12 daysPhone CallCity 311
8/14/20262014 N SHEFFIELD AVELincoln Park43Completed12 daysPhone CallCity 311
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