RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4342 locations in the last 30 days (4502 reports) · Last sighting 2 days 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.

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

52,482 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
9/22/20262740 W 64TH STChicago Lawn16Open—Mobile DeviceCity 311
9/21/20267042 S HONORE STWest Englewood17Open—Mobile DeviceCity 311
9/21/20264500 S TROY STBrighton Park12Open—InternetCity 311
9/21/2026920 N NOBLE STWest Town1Open—Mobile DeviceCity 311
9/21/20263053 N KENMORE AVELake View44Open—InternetCity 311
9/21/20266445 S ALBANY AVEChicago Lawn15Open—Mobile DeviceCity 311
9/21/20267426 W BELMONT AVEDunning29Open—InternetCity 311
9/21/20264344 N HERMITAGE AVELake View47Open—Mobile DeviceCity 311
9/21/20261360 W TOUHY AVERogers Park49Open—Mobile DeviceCity 311
9/21/20264345 N RAVENSWOOD AVELake View47Open—Mobile DeviceCity 311
9/21/20262215 N CAMPBELL AVELogan Square1Open—InternetCity 311
9/21/20263056 N GRESHAM AVEAvondale35Open—InternetCity 311
9/21/20262100 N HUDSON AVELincoln Park43Open—InternetCity 311
9/21/20263630 N GREENVIEW AVELake View47Open—InternetCity 311
9/21/20266328 S EBERHART AVEWoodlawn20Open—InternetCity 311
9/21/20264930 N BERNARD STAlbany Park33Open—Mobile DeviceCity 311
9/21/20265319 N ASHLAND AVEEdgewater40Open—Mobile DeviceCity 311
9/21/20265137 S WABASH AVEWashington Park3Open—Mobile DeviceCity 311
9/21/20262514 N GREENVIEW AVELincoln Park32Open—Mobile DeviceCity 311
9/21/20264507 N LOWELL AVEIrving Park39Open—Mobile DeviceCity 311
9/21/20265424 S WINCHESTER AVENew City16Open—InternetCity 311
9/21/20261928 W 35TH STMcKinley Park12Open—InternetCity 311
9/21/202612029 S PARNELLWest Pullman21Open—Salesforce Mobile AppCity 311
9/21/20264027 W NELSON STAvondale31Open—Mobile DeviceCity 311
9/21/202612030 S NORMALWest Pullman21Open—Salesforce Mobile AppCity 311
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