RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4680 locations in the last 30 days (4837 reports) · Last sighting 10 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

55,690 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
8/21/20266224 W MONTROSE AVEPortage Park38Completed12 daysMobile DeviceCity 311
7/23/20266224 W 64TH STClearing13Completed12 daysAlderman's OfficeCity 311
8/31/20266224 S VERNON AVEWoodlawn20Completed9 daysMobile DeviceCity 311
9/2/20256224 S TALMAN AVEChicago Lawn16Completed13 daysMobile DeviceCity 311
9/8/20256224 S KOSTNER AVEWest Lawn13Completed11 daysAlderman's OfficeCity 311
11/7/20256224 S KOSTNER AVEWest Lawn13Completed3 daysAlderman's OfficeCity 311
9/27/20266224 S GREENWOOD AVEWoodlawn20Completed10 daysMobile DeviceCity 311
10/20/20256224 N TRIPP AVEForest Glen39Completed7 daysMobile DeviceCity 311
9/24/20266224 N SPRINGFIELD AVENorth Park39Completed15 daysAlderman's OfficeCity 311
8/21/20266224 N ARTESIAN AVEWest Ridge50Completed7 daysInternetCity 311
10/12/20266223 S WHIPPLE STChicago Lawn15Open—InternetCity 311
9/9/20266223 S SEELEY AVEWest Englewood16Completed7 daysPhone CallCity 311
6/21/20266223 S MAJOR AVEClearing13Completed1 dayPhone CallCity 311
9/18/20266223 S KENNETH AVEWest Lawn13Completed10 daysMobile DeviceCity 311
9/8/20266223 N MAGNOLIA AVEEdgewater48Completed1 dayInternetCity 311
8/7/20256222 W PATTERSON AVEDunning38Completed14 daysInternetCity 311
8/31/20266222 W PATTERSON AVEDunning38Completed3 daysPhone CallCity 311
7/28/20266222 W PATTERSON AVEDunning38Completed2 daysPhone CallCity 311
8/7/20266222 W 60TH STClearing13Completed7 daysPhone CallCity 311
10/10/20266222 S VERNON AVEWoodlawn20Open—Phone CallCity 311
9/1/20266222 S VERNON AVEWoodlawn20Completed8 daysPhone CallCity 311
11/10/20256222 S LANGLEY AVEWoodlawn20Completed3 daysPhone CallCity 311
7/28/20266222 S KENNETH AVEWest Lawn13Completed8 daysAlderman's OfficeCity 311
7/28/20256222 N NORDICA AVENorwood Park41Completed7 daysMobile DeviceCity 311
2/13/20266222 N FRANCISCO AVEWest Ridge50Completed3 daysPhone CallCity 311
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