RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4657 locations in the last 30 days (4830 reports) · Last sighting 9 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

52,821 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
3/12/20261346 W ROSEMONT AVEEdgewater48Completed1 dayMobile DeviceCity 311
7/28/20261405 W HIGHLAND AVEEdgewater48Completed9 daysInternetCity 311
6/6/20261451 W BERWYN AVEEdgewater48Completed3 daysPhone CallCity 311
3/18/20266149 N BROADWAYEdgewater48Completed1 dayInternetCity 311
3/20/20266163 N BROADWAYEdgewater48Completed3 daysInternetCity 311
7/23/20261333 W HOLLYWOOD AVEEdgewater48Completed14 daysInternetCity 311
3/20/20266327 N LAKEWOOD AVEEdgewater48Completed3 daysMobile DeviceCity 311
3/23/20266149 N BROADWAYEdgewater48Completed1 dayInternetCity 311
12/15/20256312 N LAKEWOOD AVEEdgewater48Completed1 dayInternetCity 311
7/24/20261615 W BRYN MAWR AVEEdgewater40Completed3 daysPhone CallCity 311
8/20/20266351 N PAULINA STEdgewater40Completed13 daysPhone CallCity 311
9/16/20251455 W RASCHER AVEEdgewater48Completed10 daysPhone CallCity 311
6/26/20261350 W ROSEDALE AVEEdgewater48Completed6 daysInternetCity 311
4/2/20261644 W CATALPA AVEEdgewater40Completed1 dayInternetCity 311
6/18/20265918 N SHERIDAN RDEdgewater48Completed6 daysMobile DeviceCity 311
6/1/20261622 W BERWYN AVEEdgewater40Completed3 daysMobile DeviceCity 311
8/30/20265811 N WINTHROP AVEEdgewater48Completed3 daysInternetCity 311
7/9/20266000 N WINTHROP AVEEdgewater48Completed14 daysInternetCity 311
4/6/20266149 N BROADWAYEdgewater48Completed1 dayInternetCity 311
6/10/20265310 N ASHLAND AVEEdgewater40Completed5 daysInternetCity 311
4/9/20261501 W GRANVILLE AVEEdgewater48Completed1 dayMobile DeviceCity 311
4/9/20265811 N HERMITAGE AVEEdgewater40Completed1 dayInternetCity 311
6/10/20261730 W THORNDALE AVEEdgewater40Completed5 daysPhone CallCity 311
4/10/20265847 N KENMORE AVEEdgewater48Completed3 daysMobile DeviceCity 311
6/3/20266135 N BROADWAYEdgewater48Completed2 daysInternetCity 311
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