RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4251 locations in the last 30 days (4433 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

58,530 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
9/15/20251713 N NEWCASTLE AVEAustin29Completed8 daysAlderman's OfficeCity 311
8/5/20266814 S KILDARE AVEWest Lawn23Completed8 daysPhone CallCity 311
9/10/20254433 N ST LOUIS AVEAlbany Park33Completed8 daysPhone CallCity 311
7/31/20251301 N PULASKI RDHumboldt Park37Completed8 daysPhone CallCity 311
7/28/20262923 W SHERWIN AVEWest Ridge50Completed8 daysAlderman's OfficeCity 311
9/29/202511934 S HARVARD AVEWest Pullman9Completed8 daysPhone CallCity 311
7/28/20262925 W SHERWIN AVEWest Ridge50Completed8 daysAlderman's OfficeCity 311
10/14/20255139 N LOTUS AVEJefferson Park45Completed8 daysInternetCity 311
9/29/20251529 N ARTESIAN AVEWest Town1Completed8 daysInternetCity 311
8/7/20257337 N HONORE STRogers Park49Completed8 daysPhone CallCity 311
9/16/20254195 S LOWE AVENew City11Completed8 daysInternetCity 311
9/15/20253532 N RETA AVELake View44Completed8 daysMobile DeviceCity 311
8/20/20266712 W 63RD STClearing13Completed8 daysInternetCity 311
9/18/20251767 W NORTH SHORE AVERogers Park49Completed8 daysPhone CallCity 311
8/25/20255406 S SEELEY AVENew City16Completed8 daysAlderman's OfficeCity 311
8/26/20265118 S UNION AVENew City20Completed8 daysPhone CallCity 311
7/27/20252044 N ORLEANS STLincoln Park43Completed8 daysInternetCity 311
8/19/20266200 S KEATING AVEClearing13Completed8 daysInternetCity 311
8/18/20263014 W CHASE AVEWest Ridge50Completed8 daysPhone CallCity 311
7/28/20251530 N AVERS AVEHumboldt Park26Completed8 daysPhone CallCity 311
9/2/20262171 N AUSTIN AVEBelmont Cragin36Completed8 daysMobile DeviceCity 311
9/23/20253500 S STATE STDouglas3Completed8 daysAlderman's OfficeCity 311
10/14/20261744 N SPAULDING AVEHumboldt Park26Completed8 daysAlderman's OfficeCity 311
7/22/20266700 W 63RD STClearing13Completed8 daysInternetCity 311
9/2/20255725 N JERSEY AVENorth Park39Completed8 daysMobile DeviceCity 311
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