RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4582 locations in the last 30 days (4739 reports) · Last sighting 23 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

54,128 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
5/24/20261419 N MAPLEWOOD AVEWest Town1Completed3 daysPhone CallCity 311
4/15/20261419 N PARKSIDE AVEAustin29Completed1 dayPhone CallCity 311
3/9/20261419 W 109TH STMorgan Park21Completed2 daysPhone CallCity 311
7/31/20251419 W 73RD STWest Englewood17Completed11 daysMobile DeviceCity 311
8/23/20251419 W BELLE PLAINE AVELake View47Completed12 daysInternetCity 311
10/17/20251419 W BIRCHWOOD AVERogers Park49Completed4 daysInternetCity 311
3/13/20261419 W CULLERTON STLower West Side25Completed4 daysInternetCity 311
9/28/20261419 W CULLERTON STLower West Side25Completed1 dayPhone CallCity 311
12/18/20251419 W CULLERTON STLower West Side25Completed1 dayInternetCity 311
9/19/20251419 W CULLERTON STLower West Side25Completed11 daysMobile DeviceCity 311
9/2/20261419 W CULLERTON STLower West Side25Completed9 daysInternetCity 311
10/18/20251419 W FLOURNOY STNear West Side34Completed2 daysPhone CallCity 311
8/26/20251419 W GARFIELD BLVDWest Englewood16Completed7 daysPhone CallCity 311
8/6/20251419 W SUNNYSIDE AVEUptown46Completed14 daysPhone CallCity 311
7/6/2026141 S WHIPPLE STEast Garfield Park28Completed9 daysPhone CallCity 311
4/13/2026141 S WHIPPLE STEast Garfield Park28Completed1 dayAlderman's OfficeCity 311
8/5/20251420 N CAMPBELL AVEWest Town1Completed9 daysInternetCity 311
2/22/20261420 N CAMPBELL AVEWest Town1Completed1 dayInternetCity 311
10/20/20251420 N CAMPBELL AVEWest Town1Completed7 daysInternetCity 311
9/16/20251420 S MILLARD AVENorth Lawndale24Completed9 daysPhone CallCity 311
11/17/20251420 S SPRINGFIELD AVENorth Lawndale24Completed2 daysInternetCity 311
9/11/20251420 W 73RD PLWest Englewood17Completed11 daysPhone CallCity 311
3/10/20261420 W 73RD PLWest Englewood17Completed1 dayPhone CallCity 311
9/5/20261420 W CHESTNUT STWest Town27Completed12 daysMobile DeviceCity 311
10/22/20251420 W GRAND AVEWest Town1Completed6 daysInternetCity 311
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