RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4547 locations in the last 30 days (4694 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

55,474 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
7/30/20261822 N RICHMOND STLogan Square26Completed1 dayPhone CallCity 311
10/28/20251822 S AVERS AVENorth Lawndale24Completed1 dayPhone CallCity 311
7/25/20261822 S BISHOP STLower West Side25Completed9 daysMobile DeviceCity 311
9/11/20261822 S SPAULDING AVENorth Lawndale24Completed12 daysMobile DeviceCity 311
11/8/20251822 S SPAULDING AVENorth Lawndale24Completed2 daysPhone CallCity 311
9/2/20251822 W HENDERSON STNorth Center32Completed9 daysInternetCity 311
9/10/20261822 W RACE AVEWest Town36Completed13 daysMobile DeviceCity 311
10/9/20261822 W RACE AVEWest Town36Open—Mobile DeviceCity 311
11/18/20251822 W WARNER AVENorth Center47Completed1 dayPhone CallCity 311
10/25/20251822 W WARNER AVENorth Center47Completed4 daysInternetCity 311
8/1/20251823 N DRAKE AVELogan Square26Completed7 daysAlderman's OfficeCity 311
2/20/20261823 N OAK PARK AVEAustin29Completed3 daysInternetCity 311
10/6/20261823 S KEELER AVENorth Lawndale24Completed1 dayPhone CallCity 311
9/16/20261823 S KEELER AVENorth Lawndale24Completed13 daysPhone CallCity 311
9/20/20251823 S LAFLIN STLower West Side25Completed10 daysInternetCity 311
7/7/20261823 S MELODY CTArmour Square11Completed6 daysPhone CallCity 311
10/14/20251823 S RIDGEWAY AVENorth Lawndale24Completed8 daysInternetCity 311
5/16/20261823 S TROY STNorth Lawndale24Completed3 daysPhone CallCity 311
10/1/20251823 S TROY STNorth Lawndale24Completed5 daysPhone CallCity 311
8/23/20251823 S TROY STNorth Lawndale24Completed5 daysPhone CallCity 311
10/3/20261823 W 22ND PLLower West Side25Open—Phone CallCity 311
8/2/20251823 W SUPERIOR STWest Town36Completed11 daysMobile DeviceCity 311
11/14/20251824 N KARLOV AVEHermosa26Completed3 daysPhone CallCity 311
5/3/20261824 N KARLOV AVEHermosa26Completed3 daysMobile DeviceCity 311
9/15/20261824 N RICHMOND STLogan Square26Completed1 dayPhone CallCity 311
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