RatCity — Chicago Rat and Rodent Sightings Map

RatCity

70 locations in the last day (72 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

59,238 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
10/7/20267931 S HERMITAGE AVEAuburn Gresham17Completed8 daysPhone CallCity 311
10/7/20262213 W 54TH PLGage Park16Completed12 daysPhone CallCity 311
10/7/20262728 W CRYSTAL STWest Town26Completed15 daysMobile DeviceCity 311
10/7/20261125 W OAKDALE AVELake View44Completed15 daysInternetCity 311
10/7/20263849 N HAMILTON AVENorth Center47Completed14 daysMobile DeviceCity 311
10/7/2026525 S STATE STLoop4Completed13 daysMobile DeviceCity 311
10/7/20263604 W DIVERSEY AVEAvondale35Completed15 daysInternetCity 311
10/7/20264729 N BEACON STUptown46Completed12 daysPhone CallCity 311
10/7/20265141 S MENARD AVEGarfield Ridge23Completed15 daysMobile DeviceCity 311
10/7/20262307 W WASHINGTON BLVDNear West Side27Completed12 daysMobile DeviceCity 311
10/7/202615 E ELM STNear North Side2Completed13 daysMobile DeviceCity 311
10/7/202643 E 89TH STChatham6Completed14 daysMobile DeviceCity 311
10/7/20265809 S NATCHEZ AVEGarfield Ridge13Completed13 daysMobile DeviceCity 311
10/7/20262105 S JEFFERSON STLower West Side25Completed14 daysInternetCity 311
10/7/20263054 N RACINE AVELake View32Completed9 daysPhone CallCity 311
10/7/20261149 W DIVERSEY PKWYLincoln Park43Completed15 daysInternetCity 311
10/7/20264414 S MOZART STBrighton Park12Completed10 daysInternetCity 311
10/7/20262721 S CENTRAL PARK AVESouth Lawndale22Completed13 daysPhone CallCity 311
10/7/20265093 W ADAMS STAustin28Completed15 daysInternetCity 311
10/6/20265806 W 65TH STClearing13Completed14 daysMobile DeviceCity 311
10/6/20265446 S NEENAH AVEGarfield Ridge23Completed14 daysMobile DeviceCity 311
10/6/20263801 W 65TH PLWest Lawn23Completed14 daysMobile DeviceCity 311
10/6/20266016 S NAGLE AVEClearing13Completed13 daysMobile DeviceCity 311
10/6/20263406 N NORDICA AVEDunning38Completed14 daysMobile DeviceCity 311
10/6/20261106 N WOLCOTT AVEWest Town1Completed14 daysMobile DeviceCity 311
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