RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4410 locations in the last 30 days (4568 reports) · Last sighting 18 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.

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

53,341 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
4/16/20267038 S PRAIRIE AVEGreater Grand Crossing6Completed0 daysInternetCity 311
5/7/20268824 S MICHIGAN AVEChatham6Completed4 daysMobile DeviceCity 311
9/18/20258316 S LAFAYETTE AVEChatham6Completed6 daysInternetCity 311
8/7/20268310 S INDIANA AVEChatham6Completed12 daysPhone CallCity 311
8/31/20266908 S PERRY AVEGreater Grand Crossing6Completed8 daysPhone CallCity 311
4/5/2026101 E 69TH STGreater Grand Crossing6Completed1 dayInternetCity 311
8/2/20267145 S EMERALD AVEEnglewood6Completed7 daysInternetCity 311
6/30/2026712 W 81ST PLAuburn Gresham6Completed2 daysPhone CallCity 311
4/2/20267311 S HARVARD AVEGreater Grand Crossing6Completed1 dayInternetCity 311
9/15/20257609 S VERNON AVEGreater Grand Crossing6Completed8 daysPhone CallCity 311
5/4/20268857 S STATE STChatham6Completed1 dayInternetCity 311
4/2/20268310 S INDIANA AVEChatham6Completed0 daysPhone CallCity 311
6/10/20267106 S EBERHART AVEGreater Grand Crossing6Completed0 daysPhone CallCity 311
5/2/20266746 S MICHIGAN AVEGreater Grand Crossing6Completed3 daysMobile DeviceCity 311
9/14/20257633 S CHAMPLAIN AVEGreater Grand Crossing6Completed9 daysPhone CallCity 311
7/30/20257926 S WABASH AVEChatham6Completed7 daysPhone CallCity 311
9/10/20257023 S EBERHART AVEGreater Grand Crossing6Completed14 daysInternetCity 311
8/17/20267549 S LANGLEY AVEGreater Grand Crossing6Completed11 daysPhone CallCity 311
4/1/20266501 S LOWE AVEEnglewood6Completed1 dayInternetCity 311
4/2/20267648 S LAFAYETTE AVEGreater Grand Crossing6Completed1 dayInternetCity 311
9/11/20258239 S DR MARTIN LUTHER KING JR DRChatham6Completed12 daysMobile DeviceCity 311
4/27/20267328 S DREXEL AVEGreater Grand Crossing6Completed2 daysPhone CallCity 311
4/27/20267024 S EMERALD AVEEnglewood6Completed3 daysPhone CallCity 311
3/28/20266401 S NORMAL AVEEnglewood6Completed3 daysPhone CallCity 311
6/29/20266814 S ANTHONY AVEGreater Grand Crossing6Completed2 daysInternetCity 311
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