RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4338 locations in the last 30 days (4498 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

52,482 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
8/8/20256900 W 65TH STClearing—Completed11 daysInternetCity 311
9/18/20258101 W HIGGINS RDNorwood Park—Completed12 daysPhone CallCity 311
9/15/20258101 W HIGGINS RDNorwood Park—Completed2 daysInternetCity 311
8/8/20256900 W 65TH STClearing—Completed11 daysAlderman's OfficeCity 311
9/21/20263946-3958 North Fremont Street, Chicago, ILLake View————Resident report
10/7/20258101 W HIGGINS RDNorwood Park—Completed8 daysInternetCity 311
9/29/20252238 N HARLEM AVE——Completed10 daysAlderman's OfficeCity 311
5/21/20262336 N HARLEM AVE——Canceled19 daysInternetCity 311
8/8/20256901 W 65TH ST——Completed11 daysAlderman's OfficeCity 311
12/23/20256400 S HARLEM AVE——Completed8 daysAlderman's OfficeCity 311
4/1/20262558 N HARLEM AVE——Completed2 daysInternetCity 311
9/18/2025939 W 123RD ST——Completed7 daysInternetCity 311
7/27/20265109 N ORIOLE AVE——Completed9 daysPhone CallCity 311
9/3/20253116 W BIRCHWOOD AVEWest Ridge50Completed13 daysAlderman's OfficeCity 311
9/2/20255820 N VIRGINIA AVEWest Ridge50Completed6 daysPhone CallCity 311
10/10/20252540 W ESTES AVEWest Ridge50Completed10 daysPhone CallCity 311
9/12/20252540 W ESTES AVEWest Ridge50Completed3 daysPhone CallCity 311
1/7/20266322 N TALMAN AVEWest Ridge50Completed2 daysPhone CallCity 311
9/3/20255812 N RICHMOND STWest Ridge50Completed12 daysMobile DeviceCity 311
1/13/20266241 N TALMAN AVEWest Ridge50Completed0 daysPhone CallCity 311
10/12/20256250 N ST LOUIS AVENorth Park50Completed8 daysInternetCity 311
8/29/20252630 W FITCH AVEWest Ridge50Completed10 daysInternetCity 311
1/8/20262615 W ESTES AVEWest Ridge50Completed1 dayInternetCity 311
9/4/20256209 N MOZART STWest Ridge50Completed12 daysAlderman's OfficeCity 311
9/15/20252208 W THOME AVEWest Ridge50Completed1 dayPhone CallCity 311
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