RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4231 locations in the last 30 days (4387 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.

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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

56,389 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
9/30/20253506 W 60TH STChicago Lawn14Completed3 daysPhone CallCity 311
9/30/20255124 N MONTICELLO AVENorth Park39Completed3 daysMobile DeviceCity 311
9/30/20251851 S SPRINGFIELD AVENorth Lawndale24Completed6 daysPhone CallCity 311
9/30/20253566 W CORTLAND STLogan Square26Completed8 daysMobile DeviceCity 311
9/30/20252555 W CATALPA AVELincoln Square40Completed8 daysInternetCity 311
9/30/20252339 N KARLOV AVEHermosa35Completed8 daysMobile DeviceCity 311
9/30/20251656 N ROCKWELL STWest Town26Completed8 daysInternetCity 311
9/30/20251701 N MAPLEWOOD AVEWest Town1Completed9 daysInternetCity 311
9/30/20252731 W ESTES AVEWest Ridge50Completed7 daysPhone CallCity 311
9/30/20255015 S TALMAN AVEGage Park15Completed8 daysAlderman's OfficeCity 311
9/30/2025317 W WEBSTER AVELincoln Park43Completed8 daysInternetCity 311
9/30/20253728 W PALMER STLogan Square35Completed8 daysInternetCity 311
9/30/20253516 N OLEANDER AVEDunning38Completed6 daysPhone CallCity 311
9/30/20251036 N MARSHFIELD AVEWest Town1Completed9 daysMobile DeviceCity 311
9/30/20258301 S ADA STAuburn Gresham17Completed6 daysPhone CallCity 311
9/30/20255309 W WOLFRAM STBelmont Cragin31Completed14 daysAlderman's OfficeCity 311
9/30/20252849 N HAMLIN AVEAvondale35Completed8 daysPhone CallCity 311
9/30/20251922 N CALIFORNIA AVELogan Square1Completed1 dayPhone CallCity 311
9/30/20251381 W GRAND AVEWest Town1Completed9 daysPhone CallCity 311
9/30/2025130 E MONROE DRLoop42Completed1 dayInternetCity 311
9/30/20256721 S LAFLIN STWest Englewood16Completed8 daysPhone CallCity 311
9/30/20252644 S RIDGEWAY AVESouth Lawndale22Completed3 daysAlderman's OfficeCity 311
9/30/20254128 W GEORGE STAvondale31Completed8 daysAlderman's OfficeCity 311
9/30/20254842 W MEDILL AVEBelmont Cragin31Completed1 dayAlderman's OfficeCity 311
9/30/20251139 E HYDE PARK BLVDHyde Park5Completed2 daysPhone CallCity 311
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