RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4030 locations in the last 30 days (4210 reports) · Last sighting 14 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
9/17/20261642 W COLUMBIA AVERogers Park49Completed8 daysPhone CallCity 311
7/31/20261642 W COLUMBIA AVERogers Park49Completed12 daysPhone CallCity 311
4/6/20261642 W BERWYN AVEEdgewater40Completed1 dayInternetCity 311
7/6/20261642 W 93RD PLWashington Heights21Completed9 daysInternetCity 311
12/1/20251642 W 81ST STAuburn Gresham17Completed2 daysInternetCity 311
7/20/20261642 W 55TH STNew City16Completed1 dayPhone CallCity 311
3/23/20261642 W 44TH STNew City15Completed1 dayPhone CallCity 311
3/22/20261642 W 44TH STNew City15Completed2 daysMobile DeviceCity 311
2/11/20261642 S FAIRFIELD AVENorth Lawndale24Completed1 dayInternetCity 311
7/29/20251642 S FAIRFIELD AVENorth Lawndale24Completed10 daysInternetCity 311
9/12/20251642 N TRIPP AVEHumboldt Park26Completed13 daysPhone CallCity 311
9/29/20261642 N SAWYER AVEHumboldt Park26Completed15 daysPhone CallCity 311
9/30/20261642 N NORTH NORTH PARK AVELincoln Park2Completed5 daysAlderman's OfficeCity 311
3/25/20261642 N KEELER AVEHumboldt Park26Completed0 daysMobile DeviceCity 311
8/11/20261642 N HAMLIN AVEHumboldt Park26Completed8 daysMobile DeviceCity 311
5/31/20261642 N CLAREMONT AVEWest Town32Completed4 daysInternetCity 311
7/23/20261642 E 92ND PLCalumet Heights8Completed4 daysPhone CallCity 311
5/11/20261641 W RASCHER AVEEdgewater40Completed3 daysMobile DeviceCity 311
10/25/20251641 W RASCHER AVEEdgewater40Completed6 daysMobile DeviceCity 311
11/13/20261641 W RASCHER AVEEdgewater40Open—Mobile DeviceCity 311
5/29/20261641 W PRATT AVERogers Park49Completed3 daysInternetCity 311
1/19/20261641 W MARQUETTE RDWest Englewood16Completed1 dayPhone CallCity 311
10/10/20251641 W MARQUETTE RDWest Englewood16Completed7 daysPhone CallCity 311
7/29/20261641 W MARQUETTE RDWest Englewood16Completed5 daysPhone CallCity 311
9/26/20261641 W MARQUETTE RDWest Englewood16Completed10 daysPhone CallCity 311
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