RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4222 locations in the last 30 days (4378 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

56,389 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
11/17/2025649 N LONG AVEAustin37Completed2 daysPhone CallCity 311
2/17/20265600 S HOYNE AVEWest Englewood15Completed2 daysPhone CallCity 311
11/29/20256253 W WABANSIA AVEAustin29Completed2 daysInternetCity 311
11/4/20257514 W ROSEDALE AVENorwood Park41Completed2 daysPhone CallCity 311
6/1/20265329 S MARSHFIELD AVENew City16Completed2 daysPhone CallCity 311
12/22/20253400 N HAMLIN AVEAvondale30Completed2 daysAlderman's OfficeCity 311
5/3/20265316 N LINDER AVEJefferson Park45Completed2 daysMobile DeviceCity 311
7/20/20265800 W EDDY STPortage Park30Completed2 daysPhone CallCity 311
5/4/20266101 S MOODY AVEClearing13Completed2 daysInternetCity 311
6/16/20261745 W 21ST PLLower West Side25Completed2 daysPhone CallCity 311
10/7/20251000 N MARSHFIELD AVEWest Town1Completed2 daysAlderman's OfficeCity 311
2/23/20262009 N WESTERN AVELogan Square32Completed2 daysAlderman's OfficeCity 311
5/18/20266942 S MICHIGAN AVEGreater Grand Crossing6Completed2 daysMobile DeviceCity 311
3/30/20261301 N BOSWORTH AVEWest Town1Completed2 daysMobile DeviceCity 311
10/1/20252146 S LAWNDALE AVENorth Lawndale24Completed2 daysAlderman's OfficeCity 311
2/17/20265500 S HOYNE AVEWest Englewood15Completed2 daysPhone CallCity 311
4/29/20265224 W 63RD PLClearing13Completed2 daysAlderman's OfficeCity 311
6/16/20268035 S PHILLIPS AVESouth Chicago7Completed2 daysInternetCity 311
3/3/20261430 W OHIO STWest Town1Completed2 daysInternetCity 311
6/1/20262547 W WILSON AVELincoln Square47Completed2 daysPhone CallCity 311
6/1/20263507 N WILTON AVELake View44Completed2 daysPhone CallCity 311
7/13/20266251 N LENOX AVEForest Glen39Completed2 daysPhone CallCity 311
6/16/20262122 S HARDING AVENorth Lawndale24Completed2 daysPhone CallCity 311
4/8/20265019 W PARKER AVEBelmont Cragin31Completed2 daysPhone CallCity 311
5/13/20264164 S EMERALD AVENew City11Completed2 daysAlderman's OfficeCity 311
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