RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4500 locations in the last 30 days (4673 reports) · Last sighting 16 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

1,116 reports match your filters.

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DateAddressNeighborhoodWardStatusResponse timeReported viaSource
10/23/20262025 W PENSACOLA AVENorth Center47Open—InternetCity 311
10/23/20268040 S EUCLID AVESouth Chicago8Open—Phone CallCity 311
10/23/20263042 W COLUMBUS AVEAshburn18Open—Phone CallCity 311
10/23/20268106 S EXCHANGE AVESouth Chicago7Open—Phone CallCity 311
10/23/20263129 W JARLATH STWest Ridge50Open—Mobile DeviceCity 311
10/23/20262320 N LATROBE AVEBelmont Cragin31Open—Phone CallCity 311
10/23/20263001 W ADDISON STAvondale35Open—Mobile DeviceCity 311
10/23/20261713 S ASHLAND AVELower West Side25Open—Phone CallCity 311
10/23/20268500 S LAFLIN STAuburn Gresham21Open—Phone CallCity 311
10/23/20261907 N KILDARE AVEHermosa26Open—Phone CallCity 311
10/23/2026715 W 19TH PLLower West Side25Open—Phone CallCity 311
10/23/20261709 N FRANCISCO AVEWest Town26Open—Mobile DeviceCity 311
10/23/20265136 S OAK PARK AVEGarfield Ridge23Open—Phone CallCity 311
10/23/20267336 S PEORIA STEnglewood17Open—InternetCity 311
10/23/20261951 W BIRCHWOOD AVERogers Park49Open—InternetCity 311
10/23/20262635 S TRIPP AVESouth Lawndale22Open—Alderman's OfficeCity 311
10/23/2026545 W ALDINE AVELake View44Open—InternetCity 311
10/23/20264563 N MOODY AVEPortage Park38Open—InternetCity 311
10/23/20265223 W CARMEN AVEJefferson Park45Open—Mobile DeviceCity 311
10/23/20262758 S HOMAN AVESouth Lawndale22Open—Phone CallCity 311
10/23/20263919 N OAKLEY AVENorth Center47Open—Phone CallCity 311
10/23/20261523 W MONTANA STLincoln Park32Open—InternetCity 311
10/23/202610319 S ARTESIAN AVEBeverly19Completed3 daysPhone CallCity 311
10/23/20263314 W BELDEN AVELogan Square35Open—Mobile DeviceCity 311
10/23/20261702 W ARTHUR AVERogers Park40Open—Phone CallCity 311
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