RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4568 locations in the last 30 days (4735 reports) · Last sighting 14 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

52,998 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
9/17/20262649 W RASCHER AVELincoln Square40Open—Mobile DeviceCity 311
9/17/20265419 N WASHTENAW AVELincoln Square40Completed6 daysMobile DeviceCity 311
9/17/2026163 W NORTH AVENear North Side2Completed0 daysMobile DeviceCity 311
9/17/20261655 N CAMPBELL AVEWest Town1Open—InternetCity 311
9/16/20262307 W MORSE AVEWest Ridge40Open—InternetCity 311
9/16/20262443 N LINDER AVEBelmont Cragin31Open—Mobile DeviceCity 311
9/16/2026839 W BRADLEY PLLake View46Open—InternetCity 311
9/16/20262439 S SPAULDING AVESouth Lawndale25Open—Mobile DeviceCity 311
9/16/20263356 N MELVINA AVEDunning30Open—Mobile DeviceCity 311
9/16/20265158 W SCHOOL STPortage Park31Open—InternetCity 311
9/16/20263618 W SHAKESPEARE AVELogan Square35Open—Mobile DeviceCity 311
9/16/20261526 W WELLINGTON AVELake View32Open—InternetCity 311
9/16/20262933 N SPAULDING AVEAvondale35Completed5 daysMobile DeviceCity 311
9/16/20265356 N MAGNET AVEJefferson Park45Open—InternetCity 311
9/16/20263825 N PINE GROVE AVELake View46Open—InternetCity 311
9/16/20263314 N SOUTHPORT AVELake View44Completed8 daysMobile DeviceCity 311
9/16/20263204 S EMERALD AVEBridgeport11Open—Mobile DeviceCity 311
9/16/20262830 S KEDZIE AVESouth Lawndale22Open—InternetCity 311
9/16/20261845 N HALSTED STLincoln Park43Open—InternetCity 311
9/16/2026900 N CLARK STNear North Side2Completed6 daysMobile DeviceCity 311
9/16/20267429 S COLES AVESouth Shore7Completed8 daysMobile DeviceCity 311
9/16/20266189 N CALDWELL AVEForest Glen39Completed6 daysMobile DeviceCity 311
9/16/20263619 N JANSSEN AVELake View44Open—InternetCity 311
9/16/20265558 W EDMUNDS STJefferson Park45Open—Mobile DeviceCity 311
9/16/20266185 N CALDWELL AVEForest Glen39Completed6 daysPhone CallCity 311
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