RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4050 locations in the last 30 days (4231 reports) · Last sighting 13 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

60,312 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
9/4/20266310 W HENDERSON STDunning30Completed13 daysMobile DeviceCity 311
5/22/20266310 W HENDERSON STDunning30Completed4 daysPhone CallCity 311
6/1/20266310 W PATTERSON AVEDunning38Completed3 daysPhone CallCity 311
3/19/20266311 N OAKLEY AVEWest Ridge50Completed1 dayMobile DeviceCity 311
9/27/20266311 N WINTHROP AVEEdgewater48Completed12 daysPhone CallCity 311
5/11/20266311 S MARYLAND AVEWoodlawn20Completed3 daysInternetCity 311
9/16/20266311 W 64TH STClearing13Completed12 daysPhone CallCity 311
10/4/20266311 W BELMONT AVEBelmont Cragin30Completed12 daysMobile DeviceCity 311
8/2/20266311 W SCHOOL STDunning30Completed10 daysInternetCity 311
12/15/20256312 N LAKEWOOD AVEEdgewater48Completed1 dayInternetCity 311
12/14/20256312 N NAGLE AVENorwood Park45Completed0 daysInternetCity 311
10/1/20256312 N ROCKWELL STWest Ridge50Completed8 daysAlderman's OfficeCity 311
9/24/20256312 N SPRINGFIELD AVENorth Park39Completed7 daysInternetCity 311
8/14/20266312 S EBERHART AVEWoodlawn20Completed12 daysPhone CallCity 311
10/31/20266312 W GREENLEAF AVEForest Glen45Completed13 daysPhone CallCity 311
4/20/20266313 N CALIFORNIA AVEWest Ridge50Completed2 daysAlderman's OfficeCity 311
6/14/20266313 N LEGETT AVEForest Glen39Completed2 daysMobile DeviceCity 311
8/5/20266313 S CHAMPLAIN AVEWoodlawn20Completed12 daysPhone CallCity 311
4/10/20266313 S CHAMPLAIN AVEWoodlawn20Completed3 daysPhone CallCity 311
9/29/20266313 S CHAMPLAIN AVEWoodlawn20Completed16 daysPhone CallCity 311
9/2/20266313 S OAK PARK AVEClearing13Completed14 daysPhone CallCity 311
9/23/20256313 W BERTEAU AVEPortage Park38Completed8 daysInternetCity 311
8/24/20266314 S AUSTIN AVEClearing13Completed11 daysInternetCity 311
9/15/20256314 S CICERO AVEClearing13Completed8 daysAlderman's OfficeCity 311
11/13/20266314 S CICERO AVEClearing13Open—Phone CallCity 311
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