RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4434 locations in the last 30 days (4599 reports) · Last sighting 21 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

57,418 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
7/12/20265544 S NEWLAND AVEGarfield Ridge13Completed9 daysMobile DeviceCity 311
5/31/20265544 S NEWLAND AVEGarfield Ridge13Completed2 daysMobile DeviceCity 311
9/28/20255544 S NEWLAND AVEGarfield Ridge13Completed11 daysMobile DeviceCity 311
8/12/20265544 S NEWLAND AVEGarfield Ridge13Completed12 daysMobile DeviceCity 311
7/29/20265544 S NEWLAND AVEGarfield Ridge13Completed13 daysMobile DeviceCity 311
9/19/20265544 S NEWLAND AVEGarfield Ridge13Completed12 daysMobile DeviceCity 311
7/1/20265544 S NEWLAND AVEGarfield Ridge13Completed6 daysMobile DeviceCity 311
2/28/20265544 S NEWLAND AVEGarfield Ridge13Completed4 daysMobile DeviceCity 311
3/20/20265544 S NEWLAND AVEGarfield Ridge13Completed3 daysMobile DeviceCity 311
3/23/20265544 S MOODY AVEGarfield Ridge13Completed2 daysInternetCity 311
2/3/20265544 S MOODY AVEGarfield Ridge13Completed1 dayAlderman's OfficeCity 311
2/3/20265544 S MOODY AVEGarfield Ridge13Completed1 dayPhone CallCity 311
12/11/20255544 S LOOMIS STWest Englewood16Completed1 dayPhone CallCity 311
5/1/20265544 N LUNA AVEJefferson Park45Completed3 daysMobile DeviceCity 311
6/12/20265544 N ASHLAND AVEEdgewater40Completed5 daysPhone CallCity 311
10/8/20265544 N ASHLAND AVEEdgewater40Open—Phone CallCity 311
9/16/20255543 W GIDDINGS STPortage Park45Completed9 daysInternetCity 311
10/20/20255543 W BYRON STPortage Park30Completed7 daysPhone CallCity 311
5/19/20265543 S WOLCOTT AVEWest Englewood16Completed2 daysPhone CallCity 311
9/15/20255543 S THROOP STWest Englewood16Completed9 daysPhone CallCity 311
11/13/20255543 S NOTTINGHAM AVEGarfield Ridge13Completed1 dayInternetCity 311
11/14/20255543 S NOTTINGHAM AVEGarfield Ridge13Completed3 daysAlderman's OfficeCity 311
8/13/20255543 S NORDICA AVEGarfield Ridge13Completed9 daysAlderman's OfficeCity 311
8/28/20255543 N MCVICKER AVEJefferson Park45Completed13 daysPhone CallCity 311
2/28/20265543 N GLENWOOD AVEEdgewater48Completed3 daysPhone CallCity 311
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