RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4378 locations in the last 30 days (4572 reports) · Last sighting 14 hours ago

📰 Blog
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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.

📰 This week’s rat recap

Weekly Rat Trends — Oct 26–Nov 1, 2026

  • 🐀 1,021 new reports — down 9% from the week before
  • 👑 Lake View is Rat King with 70 reports
  • 📈 Biggest jump: Lincoln Park, up 15 from last week
  • 🏙️ The city took 11.2 days on average to resolve a complaint
Read the full recap →

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

59,088 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
1/12/20263037 S KOSTNER AVESouth Lawndale22Completed1 dayPhone CallCity 311
3/5/20263037 W BELLE PLAINE AVEIrving Park33Completed5 daysPhone CallCity 311
1/1/20263037 W GEORGE STAvondale35Completed1 dayInternetCity 311
12/2/20253037 W GEORGE STAvondale35Completed1 dayInternetCity 311
7/13/20263037 W JACKSON BLVDEast Garfield Park28Completed10 daysMobile DeviceCity 311
7/29/20253037 W JACKSON BLVDEast Garfield Park28Completed7 daysPhone CallCity 311
4/10/20263037 W LOGAN BLVDLogan Square1Completed4 daysInternetCity 311
1/6/20263037 W LOGAN BLVDLogan Square1Completed1 dayInternetCity 311
9/15/20263037 W LOGAN BLVDLogan Square1Completed13 daysInternetCity 311
5/9/20263037 W MONTROSE AVEIrving Park33Completed2 daysInternetCity 311
6/12/20263037 W WILSON AVEAlbany Park33Completed3 daysMobile DeviceCity 311
3/21/20263037 W WILSON AVEAlbany Park33Completed2 daysMobile DeviceCity 311
9/8/20263038 N CENTRAL AVEBelmont Cragin31Completed13 daysAlderman's OfficeCity 311
9/7/20253038 N DAVLIN CTAvondale31Completed12 daysInternetCity 311
8/21/20253038 N MONTICELLOAvondale35Completed8 daysSalesforce Mobile AppCity 311
3/25/20263038 N MONTICELLO AVEAvondale35Completed2 daysAlderman's OfficeCity 311
8/22/20253038 S CANAL STBridgeport11Completed7 daysAlderman's OfficeCity 311
9/24/20263038 W ADDISON STIrving Park35Completed1 dayPhone CallCity 311
8/3/20263038 W CHASE AVEWest Ridge50Completed9 daysInternetCity 311
7/22/20263038 W MEDILL AVELogan Square35Completed14 daysAlderman's OfficeCity 311
10/22/20263038 W MEDILL AVELogan Square35Completed11 daysMobile DeviceCity 311
1/12/20263039 N DAMEN AVENorth Center32Completed1 dayPhone CallCity 311
10/2/20253039 N DAVLIN CTAvondale31Completed13 daysInternetCity 311
10/25/20253039 N DAVLIN CTAvondale31Completed6 daysInternetCity 311
8/21/20263039 N HONORE STNorth Center32Completed13 daysPhone CallCity 311
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