RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4545 locations in the last 30 days (4692 reports) · Last sighting 24 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

55,547 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
10/30/20253600 N BERNARD STIrving Park35Completed1 dayInternetCity 311
6/28/20265151 W GRAND AVEBelmont Cragin36Completed1 dayPhone CallCity 311
2/23/20261656 N ARTESIAN AVEWest Town1Completed1 dayPhone CallCity 311
7/12/20261545 W JACKSON BLVDNear West Side34Completed1 dayInternetCity 311
10/1/2025345 W 42ND STFuller Park3Completed1 dayPhone CallCity 311
11/17/20252642 W SUPERIOR STWest Town36Completed1 dayPhone CallCity 311
3/4/20264415 N CAMPBELL AVELincoln Square47Completed1 dayMobile DeviceCity 311
2/3/20261040 W WEBSTER AVELincoln Park43Completed1 dayPhone CallCity 311
11/19/2025300 S HAMLIN AVEWest Garfield Park28Completed1 dayMobile DeviceCity 311
2/19/20262259 N LONG AVEBelmont Cragin36Completed1 dayMobile DeviceCity 311
6/9/20264455 N BROADWAYUptown46Completed1 dayMobile DeviceCity 311
8/6/202610323 S ARTESIAN AVEBeverly19Completed1 dayPhone CallCity 311
4/23/20262526 N NEW ENGLAND AVEMontclare36Completed1 dayPhone CallCity 311
1/8/20267217 S CALIFORNIA AVEChicago Lawn18Completed1 dayMobile DeviceCity 311
7/20/202610429 S WHIPPLE STMount Greenwood19Completed1 dayAlderman's OfficeCity 311
5/5/20263822 S UNION AVEBridgeport11Completed1 dayPhone CallCity 311
2/19/2026858 N WINCHESTER AVEWest Town36Completed1 dayInternetCity 311
3/3/20266000 W BELMONT AVEDunning30Completed1 dayPhone CallCity 311
10/6/20252847 W DIVISION STWest Town26Completed1 dayPhone CallCity 311
6/16/20262137 N RACINE AVELincoln Park2Completed1 dayPhone CallCity 311
10/2/2025130 E IDA B WELLS DRLoop42Completed1 dayInternetCity 311
10/7/20253116 S UNION AVEBridgeport11Completed1 dayPhone CallCity 311
11/5/20251709 W ESTES AVERogers Park49Completed1 dayPhone CallCity 311
2/3/20261314 N DEARBORN STNear North Side2Completed1 dayPhone CallCity 311
4/23/20264728 N LOWELL AVEAlbany Park39Completed1 dayInternetCity 311
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