RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4053 locations in the last 30 days (4233 reports) · Last sighting 2 days ago

📰 Blog
DayWeek30 DaysYear
Loading map…

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

59,447 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
6/25/20264344 W BELMONT AVEIrving Park30Completed6 daysAlderman's OfficeCity 311
10/17/20255159 S NOTTINGHAM AVEGarfield Ridge23Completed6 daysPhone CallCity 311
10/16/20257511 N BELL AVEWest Ridge49Completed6 daysInternetCity 311
5/26/20262112 W WALTON STWest Town36Completed6 daysInternetCity 311
7/4/20265838 N WHIPPLE STWest Ridge50Completed6 daysInternetCity 311
6/18/20264008 W 31ST STSouth Lawndale22Completed6 daysInternetCity 311
5/28/20265305 W FLETCHER STBelmont Cragin30Completed6 daysPhone CallCity 311
7/11/20264722 S HAMLIN AVEArcher Heights14Completed6 daysInternetCity 311
7/18/20266947 N CLARK STRogers Park49Completed6 daysPhone CallCity 311
10/16/20252906 W CHASE AVEWest Ridge50Completed6 daysPhone CallCity 311
8/1/20252434 N BURLING STLincoln Park43Completed6 daysMobile DeviceCity 311
10/21/20255009 W BYRON STPortage Park30Completed6 daysPhone CallCity 311
10/21/2025329 W 25TH PLArmour Square11Completed6 daysPhone CallCity 311
8/22/2025539 W 45TH PLNew City15Completed6 daysMobile DeviceCity 311
9/4/20261253 W 47TH STNew City20Completed6 daysMobile DeviceCity 311
10/23/20253132 N MARMORA AVEBelmont Cragin30Completed6 daysInternetCity 311
10/9/2025960 W 36TH STBridgeport11Completed6 daysInternetCity 311
5/21/20263078 N DAVLIN CTAvondale31Completed6 daysInternetCity 311
7/3/20267710 S MICHIGAN AVEGreater Grand Crossing6Completed6 daysInternetCity 311
6/3/20262424 W WINNEMAC AVELincoln Square40Completed6 daysInternetCity 311
11/25/20257241 S CHAMPLAIN AVEGreater Grand Crossing6Completed6 daysInternetCity 311
8/7/20267800 S LAFLIN STAuburn Gresham17Completed6 daysPhone CallCity 311
6/23/20264417 W JACKSON BLVDWest Garfield Park28Completed6 daysPhone CallCity 311
10/21/20253439 W 115TH PLMount Greenwood19Completed6 daysInternetCity 311
8/1/20256911 N WAYNE AVERogers Park49Completed6 daysMobile DeviceCity 311
Page 1222 of 2,378
PreviousNext