RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4497 locations in the last 30 days (4670 reports) · Last sighting 17 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

57,792 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
10/28/20253634 N OCTAVIA AVEDunning38Completed3 daysAlderman's OfficeCity 311
10/28/20255416 S SAWYER AVEGage Park14Completed3 daysMobile DeviceCity 311
10/28/20254109 W 31ST STSouth Lawndale22Completed2 daysPhone CallCity 311
10/28/20258158 S LAFLIN STAuburn Gresham17Completed6 daysAlderman's OfficeCity 311
10/28/20256338 S MAY STEnglewood16Completed1 dayAlderman's OfficeCity 311
10/28/20255147 S NARRAGANSETT AVEGarfield Ridge23Completed2 daysMobile DeviceCity 311
10/28/20256242 N KENMORE AVEEdgewater48Completed2 daysPhone CallCity 311
10/28/20253247 N ALBANY AVEAvondale33Completed1 dayInternetCity 311
10/28/20256500 S PEORIA STEnglewood16Completed2 daysPhone CallCity 311
10/28/20256500 S GREEN STEnglewood16Completed2 daysPhone CallCity 311
10/28/20253300 W 71ST STChicago Lawn17Completed6 daysPhone CallCity 311
10/28/202510149 S WENTWORTH AVERoseland9Completed6 daysInternetCity 311
10/28/202510059 S WENTWORTH AVERoseland9Completed6 daysInternetCity 311
10/28/202510111 S WENTWORTH AVERoseland9Completed6 daysInternetCity 311
10/28/20253241 N SEMINARY AVELake View44Completed2 daysPhone CallCity 311
10/28/20256040 N TROY STWest Ridge50Completed3 daysInternetCity 311
10/28/20253912 N SPAULDING AVEIrving Park33Completed1 dayMobile DeviceCity 311
10/28/20255134 W HENDERSON STPortage Park31Completed3 daysMobile DeviceCity 311
10/28/20253812 N CLARK STLake View44Completed2 daysPhone CallCity 311
10/28/20255440 N CAMPBELL AVELincoln Square40Completed3 daysInternetCity 311
10/28/20252703 S HAMLIN AVESouth Lawndale22Completed2 daysPhone CallCity 311
10/28/20252737 W GREENLEAF AVEWest Ridge50Completed3 daysPhone CallCity 311
10/28/20255550 S PARKSIDE AVEGarfield Ridge13Completed1 dayMobile DeviceCity 311
10/28/20251632 W 103RD STBeverly19Completed3 daysPhone CallCity 311
10/28/20256120 N TALMAN AVEWest Ridge40Completed3 daysInternetCity 311
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