RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4502 locations in the last 30 days (4675 reports) · Last sighting 15 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
10/10/20262501 W LAWRENCE AVELincoln Square40Completed16 daysInternetCity 311
6/12/20262501 W LAWRENCE AVELincoln Square40Completed5 daysInternetCity 311
5/6/20262502 N ST LOUIS AVELogan Square35Completed5 daysPhone CallCity 311
6/11/20262503 W FULLERTON AVELogan Square1Completed5 daysAlderman's OfficeCity 311
6/30/20262504 N OAK PARK AVEMontclare36Completed8 daysInternetCity 311
3/20/20262504 N SPAULDING AVELogan Square35Completed3 daysAlderman's OfficeCity 311
2/12/20262504 N TRIPP AVEHermosa31Completed1 dayMobile DeviceCity 311
9/29/20252504 S BLUE ISLAND AVELower West Side25Completed7 daysAlderman's OfficeCity 311
6/14/20262504 S DRAKE AVESouth Lawndale22Completed2 daysMobile DeviceCity 311
7/29/20252504 S TRUMBULL AVESouth Lawndale22Completed6 daysMobile DeviceCity 311
7/30/20252504 W 115TH STMorgan Park19Completed14 daysPhone CallCity 311
2/25/20262504 W DEVON AVEWest Ridge50Completed1 dayPhone CallCity 311
9/27/20262504 W JARVIS AVEWest Ridge50Completed12 daysInternetCity 311
10/26/20262505 N MAJOR AVEBelmont Cragin30Open—Phone CallCity 311
10/8/20252505 N ROCKWELL STLogan Square1Completed9 daysInternetCity 311
8/9/20252505 N ST LOUIS AVELogan Square35Completed11 daysMobile DeviceCity 311
8/25/20252505 N ST LOUIS AVELogan Square35Completed9 daysPhone CallCity 311
8/13/20252505 S CENTRAL PARK AVESouth Lawndale22Completed8 daysInternetCity 311
10/13/20252505 S KEELER AVESouth Lawndale22Completed7 daysInternetCity 311
10/15/20262505 S KEELER AVESouth Lawndale22Open—InternetCity 311
9/13/20252506 N KEELER AVEHermosa31Completed11 daysMobile DeviceCity 311
10/13/20262506 N MAJOR AVEBelmont Cragin30Open—Alderman's OfficeCity 311
4/17/20262506 N MARMORA AVEBelmont Cragin30Completed4 daysAlderman's OfficeCity 311
4/21/20262506 N MASON AVEBelmont Cragin30Completed2 daysPhone CallCity 311
6/25/20262506 N NEW ENGLAND AVEMontclare36Completed1 dayPhone CallCity 311
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