RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4021 locations in the last 30 days (4196 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.

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
8/18/20266241 N LENOX AVEForest Glen39Completed10 daysPhone CallCity 311
4/5/20264452 N TRIPP AVEIrving Park39Completed1 dayInternetCity 311
10/29/20254211 N HARDING AVEIrving Park39Completed5 daysInternetCity 311
4/3/20264349 N TRIPP AVEIrving Park39Completed3 daysMobile DeviceCity 311
4/2/20265030 N LOWELL AVEAlbany Park39Completed4 daysMobile DeviceCity 311
10/30/20254829 W CATALPA AVEForest Glen39Completed4 daysPhone CallCity 311
10/29/20255105 N KEATING AVEAlbany Park39Completed5 daysAlderman's OfficeCity 311
11/7/20255838 N JERSEY AVENorth Park39Completed5 daysPhone CallCity 311
9/8/20253301 W ARDMORE AVENorth Park39Completed10 daysPhone CallCity 311
2/23/20263236 W HOLLYWOOD AVENorth Park39Completed1 dayInternetCity 311
10/29/20253034 W FOSTER AVENorth Park39Completed5 daysInternetCity 311
9/8/20255345 N VIRGINIA AVELincoln Square39Completed10 daysAlderman's OfficeCity 311
3/1/20264949 N RIDGEWAY AVEAlbany Park39Completed2 daysInternetCity 311
9/12/20255459 N SPAULDING AVENorth Park39Completed11 daysAlderman's OfficeCity 311
11/7/20256149 N KARLOV AVEForest Glen39Completed5 daysInternetCity 311
10/21/20255006 N KILDARE AVEAlbany Park39Completed6 daysInternetCity 311
10/29/20255438 N CHRISTIANA AVENorth Park39Completed5 daysPhone CallCity 311
4/2/20266148 N MILWAUKEE AVENorwood Park39Completed4 daysMobile DeviceCity 311
3/20/20263235 W OLIVE AVENorth Park39Completed3 daysPhone CallCity 311
10/13/20265448 N SAWYER AVENorth Park39Completed16 daysPhone CallCity 311
9/12/20255874 N KOLMAR AVEForest Glen39Completed11 daysPhone CallCity 311
8/24/20265930 N LEONARD AVEJefferson Park39Completed15 daysAlderman's OfficeCity 311
11/8/20255939 N KOSTNER AVEForest Glen39Completed4 daysPhone CallCity 311
11/6/20254754 N KEWANEE AVEAlbany Park39Completed1 dayPhone CallCity 311
9/4/20256330 W HYACINTH STNorwood Park39Completed14 daysAlderman's OfficeCity 311
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