RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4018 locations in the last 30 days (4191 reports) · Last sighting yesterday

📰 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.

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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.

📰 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

60,241 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
9/23/20252020 W IRVING PARK RDNorth Center47Completed10 daysInternetCity 311
9/23/2025822 N CLARK STNear North Side2Completed6 daysPhone CallCity 311
9/23/20257429 N ROGERS AVERogers Park49Completed8 daysPhone CallCity 311
9/23/20251053 W WELLINGTON AVELake View44Completed7 daysMobile DeviceCity 311
9/23/20258211 S MARSHFIELD AVEAuburn Gresham17Completed7 daysAlderman's OfficeCity 311
9/23/20257144 S AVERS AVEWest Lawn23Completed9 daysAlderman's OfficeCity 311
9/23/202510054 S MAY STWashington Heights21Completed3 daysPhone CallCity 311
9/23/202510054 S MAY STWashington Heights21Completed3 daysPhone CallCity 311
9/23/20253675 N ELSTON AVEIrving Park33Completed7 daysMobile DeviceCity 311
9/23/20252255 S WHIPPLE STSouth Lawndale24Completed6 daysPhone CallCity 311
9/23/20252255 S WHIPPLE STSouth Lawndale24Completed10 daysPhone CallCity 311
9/23/20257158 S PAULINA STWest Englewood17Completed8 daysPhone CallCity 311
9/23/20251924 N MOHAWK STLincoln Park43Completed8 daysInternetCity 311
9/23/20255635 S SAYRE AVEGarfield Ridge13Completed9 daysAlderman's OfficeCity 311
9/23/20253129 W EASTWOOD AVEAlbany Park33Completed9 daysInternetCity 311
9/23/20256449 S NORMANDY AVEClearing13Completed9 daysInternetCity 311
9/23/20255334 W 54TH STGarfield Ridge23Completed9 daysAlderman's OfficeCity 311
9/23/20255647 S NEWCASTLE AVEGarfield Ridge13Completed9 daysAlderman's OfficeCity 311
9/23/20255237 S KEATING AVEGarfield Ridge23Completed7 daysInternetCity 311
9/23/20255621 S WOOD STWest Englewood15Completed8 daysPhone CallCity 311
9/23/202510922 S HARDING AVEMount Greenwood19Completed9 daysAlderman's OfficeCity 311
9/23/20253610 W BELLE PLAINE AVEIrving Park33Completed9 daysMobile DeviceCity 311
9/23/20254755 S SPRINGFIELD AVEArcher Heights14Completed10 daysInternetCity 311
9/23/20253500 N LARAMIE AVEPortage Park31Completed3 daysAlderman's OfficeCity 311
9/23/20255205 W CORNELIA AVEPortage Park31Completed8 daysAlderman's OfficeCity 311
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