RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4158 locations in the last 30 days (4344 reports) · Last sighting 19 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 — 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
6/29/20269745 S EMERALD AVEWashington Heights21Completed3 daysInternetCity 311
11/25/20259745 S EMERALD AVEWashington Heights21Completed7 daysInternetCity 311
10/12/20269743 S YALE AVERoseland9Completed14 daysPhone CallCity 311
2/18/20269743 S YALE AVERoseland9Completed1 dayPhone CallCity 311
2/10/20269743 S YALE AVERoseland9Completed1 dayPhone CallCity 311
9/9/20269742 S HOYNE AVEBeverly19Completed14 daysAlderman's OfficeCity 311
9/21/20269741 S HALSTED STWashington Heights21Completed7 daysPhone CallCity 311
10/5/20269741 S HALSTED STWashington Heights21Completed1 dayPhone CallCity 311
9/24/20269741 S HALSTED STWashington Heights21Completed4 daysPhone CallCity 311
11/3/20269741 S HALSTED STWashington Heights21Open—Phone CallCity 311
8/13/20259740 S WINSTON AVEWashington Heights21Completed9 daysPhone CallCity 311
9/15/20269740 S DOBSON AVEPullman8Completed13 daysInternetCity 311
8/22/20259737 S DAMEN AVEBeverly19Completed3 daysPhone CallCity 311
6/18/20269735 S AVENUE NEast Side10Completed6 daysWalk-inCity 311
8/19/20259731 S FOREST AVERoseland9Completed3 daysPhone CallCity 311
8/22/20259731 S DAMEN AVEBeverly19Completed3 daysPhone CallCity 311
10/15/20259730 S OAKLEY AVEBeverly19Completed8 daysPhone CallCity 311
10/25/20269730 S HAMILTON AVEBeverly19Completed8 daysMobile DeviceCity 311
6/15/20269730 S EMERALD AVEWashington Heights21Completed1 dayMobile DeviceCity 311
7/25/2025972 W CULLERTON STLower West Side25Completed7 daysInternetCity 311
8/25/2025972 W CULLERTON STLower West Side25Completed13 daysInternetCity 311
11/7/2025972 W CULLERTON STLower West Side25Completed5 daysInternetCity 311
12/3/2025972 W CULLERTON STLower West Side25Completed1 dayInternetCity 311
8/26/20269728 S NORMAL AVEWashington Heights9Completed9 daysMobile DeviceCity 311
8/12/20259725 S DAMEN AVEBeverly19Completed13 daysPhone CallCity 311
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