RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4106 locations in the last 30 days (4288 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

59,989 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
11/24/20253442 W PARKER AVELogan Square35Completed1 dayPhone CallCity 311
11/24/20252328 N KENNETH AVEHermosa31Completed1 dayPhone CallCity 311
11/24/20255153 W NELSON STBelmont Cragin31Completed1 dayPhone CallCity 311
11/24/20252916 N HARDING AVEAvondale31Completed1 dayPhone CallCity 311
11/24/20252705 W CARMEN AVELincoln Square40Completed1 dayPhone CallCity 311
11/24/20254917 S PRAIRIE AVEGrand Boulevard3Completed0 daysPhone CallCity 311
11/24/20254315 S PRAIRIE AVEGrand Boulevard3Completed0 daysPhone CallCity 311
11/24/202541 N LOTUS AVEAustin37Completed1 dayInternetCity 311
11/24/20254734 S ST LAWRENCE AVEGrand Boulevard3Completed0 daysMobile DeviceCity 311
11/24/2025219 N GREEN STNear West Side27Completed0 daysInternetCity 311
11/24/20251810 S RACINE AVELower West Side25Completed0 daysInternetCity 311
11/23/2025912 N LEAMINGTON AVEAustin37Completed2 daysInternetCity 311
11/23/20253918 N MARSHFIELD AVELake View47Completed1 dayMobile DeviceCity 311
11/23/20255106 W MELROSE STPortage Park31Completed1 dayInternetCity 311
11/23/20251858 N STOCKTON DRLincoln Park43Completed2 daysMobile DeviceCity 311
11/23/20254427 N KEOKUK AVEIrving Park39Completed1 dayInternetCity 311
11/23/20253443 N NATOMA AVEDunning38Completed2 daysMobile DeviceCity 311
11/23/20252937 W WILCOX STEast Garfield Park27Completed1 dayPhone CallCity 311
11/23/20256239 N NAPER AVENorwood Park45Completed2 daysInternetCity 311
11/23/20256247 N NAPER AVENorwood Park45Completed2 daysInternetCity 311
11/23/20251910 N CALIFORNIA AVELogan Square1Completed3 daysMobile DeviceCity 311
11/23/20253828 N LAKEWOOD AVELake View44Completed2 daysInternetCity 311
11/23/20251150 W OHIO STWest Town27Completed1 dayMobile DeviceCity 311
11/23/20252849 N ROCKWELL STAvondale35Completed2 daysMobile DeviceCity 311
11/23/202510007 S WENTWORTH AVERoseland9Completed1 dayMobile DeviceCity 311
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