RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4644 locations in the last 30 days (4800 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

54,983 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
6/12/202615 N MICHIGAN AVELoop42Completed5 daysMobile DeviceCity 311
10/9/202515 S ALBANY AVEEast Garfield Park28Completed5 daysMobile DeviceCity 311
12/5/202515 S OAKLEY BLVDNear West Side27Completed3 daysMobile DeviceCity 311
7/29/202515 S OAKLEY BLVDNear West Side27Completed10 daysMobile DeviceCity 311
9/29/20251600 N AUSTIN AVEAustin29Completed9 daysPhone CallCity 311
6/28/20261600 N BELL AVEWest Town32Completed8 daysInternetCity 311
9/29/20261600 N CALIFORNIA AVEWest Town26Open—Phone CallCity 311
6/29/20261600 N FRANCISCO AVEWest Town26Completed7 daysPhone CallCity 311
5/13/20261600 N LUNA AVEAustin37Completed1 dayPhone CallCity 311
3/31/20261600 N MAYFIELD AVEAustin29Completed2 daysPhone CallCity 311
2/17/20261600 N MAYFIELD AVEAustin29Completed1 dayPhone CallCity 311
11/18/20251600 N MOHAWK STLincoln Park43Completed1 dayPhone CallCity 311
6/29/20261600 N MOZART STWest Town26Completed7 daysPhone CallCity 311
2/20/20261600 N ROCKWELL STWest Town26Completed4 daysMobile DeviceCity 311
8/24/20261600 S ALLPORT STLower West Side25Completed9 daysInternetCity 311
4/20/20261600 S CENTRAL PARKNorth Lawndale24Completed0 daysSalesforce Mobile AppCity 311
5/1/20261600 S CENTRAL PARK AVENorth Lawndale24Completed4 daysAlderman's OfficeCity 311
4/20/20261600 S CENTRAL PARK AVENorth Lawndale24Completed1 dayPhone CallCity 311
8/17/20251600 S DEARBORN STNear South Side3Completed10 daysMobile DeviceCity 311
8/6/20251600 S KEDVALE AVENorth Lawndale24Completed8 daysAlderman's OfficeCity 311
8/19/20251600 S SAWYER AVENorth Lawndale24Completed7 daysAlderman's OfficeCity 311
9/22/20251600 S ST LOUIS AVENorth Lawndale24Completed6 daysInternetCity 311
4/20/20261600 S WABASH AVENear South Side3Completed0 daysMobile DeviceCity 311
3/12/20261600 W 21ST STLower West Side25Completed0 daysPhone CallCity 311
7/31/20261600 W 44TH STNew City15Completed19 daysAlderman's OfficeCity 311
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