RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4191 locations in the last 30 days (4375 reports) · Last sighting yesterday

📰 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

59,712 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
4/15/20261514 S KILBOURN AVENorth Lawndale24Completed2 daysMobile DeviceCity 311
4/15/20266629 S CARPENTER STEnglewood16Completed1 dayPhone CallCity 311
4/15/20262007 W BYRON STNorth Center47Completed2 daysInternetCity 311
4/15/20262239 W SCHOOL STNorth Center32Completed1 dayMobile DeviceCity 311
4/14/20262334 S WENTWORTH AVEArmour Square11Completed0 daysInternetCity 311
4/14/20262806 S WENTWORTH AVEArmour Square11Completed0 daysMobile DeviceCity 311
4/14/20268412 S BAKER AVESouth Chicago10Completed0 daysPhone CallCity 311
4/14/2026376 E 89TH PLChatham6Completed1 dayInternetCity 311
4/14/20262952 S BONAPARTE STBridgeport11Completed1 dayMobile DeviceCity 311
4/14/20264720 S KOSTNER AVEArcher Heights14Completed2 daysMobile DeviceCity 311
4/14/20264357 W MAYPOLE AVEWest Garfield Park28Completed1 dayInternetCity 311
4/14/20265113 W PENSACOLA AVEPortage Park45Completed2 daysInternetCity 311
4/14/20263343 N OTTAWA AVEDunning38Completed1 dayInternetCity 311
4/14/20264118 W GEORGE STAvondale31Completed1 dayMobile DeviceCity 311
4/14/20262634 S KILDARE AVESouth Lawndale22Completed1 dayInternetCity 311
4/14/20267823 S LAFLIN STAuburn Gresham17Completed1 dayPhone CallCity 311
4/14/2026528 N HERMITAGE AVEWest Town1Completed1 dayMobile DeviceCity 311
4/14/202611004 S SPRINGFIELD AVEMount Greenwood19Completed1 dayMobile DeviceCity 311
4/14/20264708 N CAMPBELL AVELincoln Square40Completed1 dayInternetCity 311
4/14/20261237 W OAKDALE AVELake View32Completed2 daysMobile DeviceCity 311
4/14/20262140 N WAYNE AVELincoln Park2Completed1 dayMobile DeviceCity 311
4/14/20263909 W 70TH STWest Lawn23Completed1 dayMobile DeviceCity 311
4/14/20266749 S KARLOV AVEWest Lawn23Completed3 daysMobile DeviceCity 311
4/14/202610506 S VERNON AVERoseland9Completed1 dayPhone CallCity 311
4/14/20267753 S ABERDEEN STAuburn Gresham17Completed1 dayInternetCity 311
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