RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4494 locations in the last 30 days (4656 reports) · Last sighting 19 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

53,164 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
7/10/20268512 S RHODES AVEChatham6Completed4 daysInternetCity 311
8/26/20258511 S DANTE AVEAvalon Park8Completed7 daysPhone CallCity 311
4/28/20268511 S DAMEN AVEAuburn Gresham18Completed2 daysPhone CallCity 311
9/20/20268511 S BUFFALO AVESouth Chicago10Open—Mobile DeviceCity 311
3/3/20268510 S KARLOV AVEAshburn18Completed1 dayInternetCity 311
12/3/20258510 S KARLOV AVEAshburn18Completed1 dayInternetCity 311
8/25/20268510 S KARLOV AVEAshburn18Completed2 daysInternetCity 311
9/23/2026850 W OAKDALE AVELake View44Open—InternetCity 311
8/22/2025850 W IRVING PARK RDUptown46Completed11 daysInternetCity 311
6/20/2026850 W EASTWOOD AVEUptown46Completed3 daysPhone CallCity 311
6/23/2026850 S WABASH AVELoop4Completed2 daysInternetCity 311
7/31/2025850 S STATE STLoop4Completed8 daysInternetCity 311
8/25/2026850 S KEELER AVEWest Garfield Park24Completed2 daysPhone CallCity 311
9/29/2025850 N LAWNDALE AVEHumboldt Park27Completed7 daysPhone CallCity 311
7/27/2026850 N LAWNDALE AVEHumboldt Park27Completed4 daysPhone CallCity 311
6/16/2026850 N LAVERGNE AVEAustin37Completed6 daysInternetCity 311
4/24/2026850 N LAVERGNE AVEAustin37Completed3 daysInternetCity 311
11/19/2025850 N LAVERGNE AVEAustin37Completed2 daysInternetCity 311
1/27/2026850 N DAMEN AVEWest Town36Completed2 daysPhone CallCity 311
12/18/2024850 E 88TH PLChatham8Completed2 daysPhone CallCity 311
11/11/2025850 E 88TH PLChatham8Completed1 dayMobile DeviceCity 311
8/2/2025850 E 88TH PLChatham8Completed10 daysMobile DeviceCity 311
7/29/20268508 S KENTON AVEAshburn18Completed13 daysInternetCity 311
7/10/20268506 S RHODES AVEChatham6Completed4 daysInternetCity 311
8/18/20268506 S MORGAN STAuburn Gresham17Completed10 daysPhone CallCity 311
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