RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4265 locations in the last 30 days (4423 reports) · Last sighting 20 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

56,389 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
7/13/20262109 N SPRINGFIELD AVELogan Square35Completed11 daysInternetCity 311
8/1/20254004 N CLARENDON AVEUptown46Completed11 daysInternetCity 311
8/22/20264436 N BERNARD STAlbany Park33Completed11 daysPhone CallCity 311
9/20/202612322 S LAFAYETTE AVEWest Pullman9Completed11 daysInternetCity 311
9/21/20263730 W CORNELIA AVEAvondale30Completed11 daysInternetCity 311
10/3/20253702 W DICKENS AVELogan Square35Completed11 daysInternetCity 311
6/13/20261951 W LAKE STNear West Side27Completed11 daysPhone CallCity 311
8/14/20255411 S KARLOV AVEWest Elsdon23Completed11 daysMobile DeviceCity 311
8/3/20263316 N SEELEY AVENorth Center32Completed11 daysPhone CallCity 311
7/27/20253523 N WHIPPLE STAvondale33Completed11 daysMobile DeviceCity 311
8/2/20263760 N HARDING AVEIrving Park30Completed11 daysPhone CallCity 311
7/16/20263255 W LEXINGTON STEast Garfield Park24Completed11 daysPhone CallCity 311
8/23/20257110 N PAULINA STRogers Park49Completed11 daysInternetCity 311
9/15/20254155 W WELLINGTON AVEAvondale31Completed11 daysMobile DeviceCity 311
8/1/20262638 N EMMETT STLogan Square35Completed11 daysInternetCity 311
8/23/20251708 W ESTES AVERogers Park49Completed11 daysInternetCity 311
9/19/20255608 S NAGLE AVEGarfield Ridge13Completed11 daysInternetCity 311
9/11/20255932 S PARKSIDE AVEClearing13Completed11 daysInternetCity 311
9/19/20255612 S NAGLE AVEGarfield Ridge13Completed11 daysInternetCity 311
9/19/20255613 S NAGLE AVEGarfield Ridge13Completed11 daysInternetCity 311
9/19/20255614 S NAGLE AVEGarfield Ridge13Completed11 daysInternetCity 311
8/1/20262526 W FITCH AVEWest Ridge50Completed11 daysInternetCity 311
8/23/20257106 N PAULINA STRogers Park49Completed11 daysInternetCity 311
8/17/20261421 W CUYLER AVELake View47Completed11 daysInternetCity 311
9/18/20265213 S CENTRAL AVEGarfield Ridge23Completed11 daysPhone CallCity 311
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