RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4020 locations in the last 30 days (4194 reports) · Last sighting 2 days 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

60,097 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
6/30/20265914 S SAWYER AVEChicago Lawn14Completed8 daysMobile DeviceCity 311
10/28/20265311 S RICHMOND STGage Park14Completed12 daysMobile DeviceCity 311
7/4/20263309 W 59TH PLChicago Lawn14Completed4 daysInternetCity 311
10/25/20263812 W 46TH PLArcher Heights14Completed11 daysInternetCity 311
12/23/20255230 S CALIFORNIA AVEGage Park14Completed1 dayAlderman's OfficeCity 311
5/20/20264737 S HARDING AVEArcher Heights14Completed5 daysPhone CallCity 311
5/21/20264815 S KARLOV AVEArcher Heights14Completed5 daysMobile DeviceCity 311
12/23/20254700 S KEDZIE AVEBrighton Park14Completed1 dayMobile DeviceCity 311
1/1/20263452 W 60TH STChicago Lawn14Completed1 dayInternetCity 311
11/3/20265021 S CHRISTIANA AVEGage Park14Completed1 dayPhone CallCity 311
10/26/20264701 S HAMLIN AVEArcher Heights14Completed10 daysPhone CallCity 311
8/28/20253336 W 61ST STChicago Lawn14Completed8 daysMobile DeviceCity 311
8/26/20253249 W 61ST PLChicago Lawn14Completed10 daysPhone CallCity 311
8/27/20266607 S ST LOUIS AVEChicago Lawn14Completed12 daysMobile DeviceCity 311
8/27/20263451 W 66TH STChicago Lawn14Completed12 daysMobile DeviceCity 311
9/3/20263451 W 66TH STChicago Lawn14Completed5 daysPhone CallCity 311
8/27/20263451 W 66TH STChicago Lawn14Completed12 daysInternetCity 311
8/29/20263514 W 59TH PLChicago Lawn14Completed10 daysMobile DeviceCity 311
9/2/20265925 S SPAULDING AVEChicago Lawn14Completed6 daysInternetCity 311
8/31/20263433 W 66TH PLChicago Lawn14Completed8 daysPhone CallCity 311
8/31/20265150 S WHIPPLE STGage Park14Completed8 daysPhone CallCity 311
9/8/20263015 W 53RD STGage Park14Completed13 daysAlderman's OfficeCity 311
8/26/20265200 S ST LOUIS AVEGage Park14Completed13 daysPhone CallCity 311
7/22/20264740 W 51ST STGarfield Ridge14Completed5 daysInternetCity 311
9/3/20254843 S KOSTNER AVEArcher Heights14Completed8 daysInternetCity 311
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