RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4091 locations in the last 30 days (4271 reports) · Last sighting 22 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 — Nov 2–Nov 8, 2026

  • 🐀 948 new reports — down 7% from the week before
  • 👑 Lake View is Rat King with 67 reports
  • 📈 Biggest jump: Logan Square, up 15 from last week
  • 🏙️ The city took 9.7 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

60,097 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
10/23/20261939 N HUMBOLDT BLVDLogan Square26Completed10 daysInternetCity 311
8/18/202510509 S HOMAN AVEMount Greenwood19Completed10 daysInternetCity 311
11/2/20262943 N HAMLIN AVEAvondale31Completed10 daysMobile DeviceCity 311
8/25/20256659 W 64TH PLClearing13Completed10 daysInternetCity 311
8/24/20259803 S FOREST AVERoseland9Completed10 daysMobile DeviceCity 311
9/11/20266826 W DICKENS AVEAustin29Completed10 daysMobile DeviceCity 311
7/10/20261405 W DIVERSEY PKWYLincoln Park32Completed10 daysInternetCity 311
8/25/20256449 S NORMANDY AVEClearing13Completed10 daysInternetCity 311
9/26/20263748 N LAKEWOOD AVELake View44Completed10 daysPhone CallCity 311
9/4/20267940 S CARPENTER STAuburn Gresham17Completed10 daysMobile DeviceCity 311
10/10/20255156 S MULLIGAN AVEGarfield Ridge23Completed10 daysInternetCity 311
10/19/20265804 S FRANCISCO AVEGage Park15Completed10 daysMobile DeviceCity 311
8/4/20255000 N MOODY AVEJefferson Park45Completed10 daysMobile DeviceCity 311
10/18/20264919 N TRIPP AVEAlbany Park39Completed10 daysInternetCity 311
9/19/20251335 N BOSWORTH AVEWest Town1Completed10 daysMobile DeviceCity 311
9/20/20252354 W WILSON AVELincoln Square47Completed10 daysInternetCity 311
8/22/20265516 S UNION AVEEnglewood16Completed10 daysMobile DeviceCity 311
7/21/20262028 W IRVING PARK RDNorth Center47Completed10 daysMobile DeviceCity 311
9/8/20262750 N FAIRFIELD AVELogan Square1Completed10 daysPhone CallCity 311
9/2/20255223 W DAKIN STPortage Park45Completed10 daysPhone CallCity 311
11/2/20262329 N LATROBE AVEBelmont Cragin31Completed10 daysMobile DeviceCity 311
8/10/2026940 N OAKLEY BLVDWest Town36Completed10 daysInternetCity 311
10/30/20264741 N DRAKE AVEAlbany Park33Completed10 daysPhone CallCity 311
9/25/20261209 W ARTHUR AVERogers Park49Completed10 daysPhone CallCity 311
10/27/20267647 S EGGLESTON AVEGreater Grand Crossing17Completed10 daysPhone CallCity 311
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