RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4467 locations in the last 30 days (4640 reports) · Last sighting 22 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
8/13/20252155 N LOCKWOOD AVEBelmont Cragin36Completed8 daysAlderman's OfficeCity 311
7/11/20261921 W SUPERIOR STWest Town36Completed5 daysInternetCity 311
9/25/20251308 N RIDGEWAY AVEHumboldt Park36Completed1 dayPhone CallCity 311
3/20/20264854 W HOMER STBelmont Cragin36Completed3 daysInternetCity 311
8/11/20252155 N LOCKWOOD AVEBelmont Cragin36Completed10 daysPhone CallCity 311
12/19/20252240 W IOWA STWest Town36Completed3 daysPhone CallCity 311
8/28/20252430 W WALTON STWest Town36Completed11 daysPhone CallCity 311
11/4/20252211 N LONG AVEBelmont Cragin36Completed2 daysMobile DeviceCity 311
7/10/20262010 W SUPERIOR STWest Town36Completed6 daysMobile DeviceCity 311
7/13/20262323 W IOWA STWest Town36Completed3 daysPhone CallCity 311
10/22/20252629 W HADDON AVEWest Town36Completed6 daysMobile DeviceCity 311
8/25/20252442 W WALTON STWest Town36Completed14 daysMobile DeviceCity 311
10/21/2026832 N FAIRFIELD AVEWest Town36Open—Mobile DeviceCity 311
12/2/20252218 N LOCKWOOD AVEBelmont Cragin36Completed1 dayPhone CallCity 311
3/3/20262143 W OHIO STWest Town36Completed1 dayInternetCity 311
8/4/20252131 N MASON AVEBelmont Cragin36Completed16 daysPhone CallCity 311
8/9/20252044 W HURON STWest Town36Completed12 daysPhone CallCity 311
10/31/20251931 N LEAMINGTON AVEBelmont Cragin36Completed6 daysMobile DeviceCity 311
10/16/2026856 N WINCHESTER AVEWest Town36Open—InternetCity 311
7/10/20262300 W CHICAGO AVEWest Town36Completed6 daysPhone CallCity 311
10/24/20252321 N PARKSIDE AVEBelmont Cragin36Completed4 daysInternetCity 311
9/25/20251518 N TRIPP AVEHumboldt Park36Completed8 daysPhone CallCity 311
9/19/20251143 N LAWNDALE AVEHumboldt Park36Completed12 daysPhone CallCity 311
9/24/20251403 N KEELER AVEHumboldt Park36Completed9 daysPhone CallCity 311
7/8/20266612 W GEORGE STMontclare36Completed7 daysInternetCity 311
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