RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4205 locations in the last 30 days (4389 reports) · Last sighting 24 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

59,712 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
6/29/20261433 W SUPERIOR STWest Town27Completed7 daysInternetCity 311
11/25/20253918 W 107TH STMount Greenwood19Completed7 daysPhone CallCity 311
9/30/20256315 N CENTRAL PARK AVENorth Park50Completed7 daysPhone CallCity 311
9/12/20252243H N GREENVIEW AVELincoln Park2Completed7 daysMobile DeviceCity 311
8/20/20251528 S TRIPP AVENorth Lawndale24Completed7 daysAlderman's OfficeCity 311
7/29/20259941 S GREEN STWashington Heights21Completed7 daysPhone CallCity 311
7/2/20265148 W FULTON STAustin28Completed7 daysPhone CallCity 311
8/12/20254914 N ROCKWELL STLincoln Square40Completed7 daysInternetCity 311
8/4/20257202 S MAPLEWOOD AVEChicago Lawn18Completed7 daysPhone CallCity 311
10/22/20268316 S KENNETH AVEAshburn18Completed7 daysPhone CallCity 311
9/25/20255377 N PAULINA STEdgewater40Completed7 daysPhone CallCity 311
7/25/20255427 N LINDER AVEJefferson Park45Completed7 daysMobile DeviceCity 311
7/30/20257011 S PERRY AVEGreater Grand Crossing6Completed7 daysInternetCity 311
11/25/20252546 W 118TH STMorgan Park19Completed7 daysPhone CallCity 311
10/16/20257139 W HIGGINS AVENorwood Park41Completed7 daysPhone CallCity 311
8/15/20257251 S ASHLAND AVEWest Englewood17Completed7 daysInternetCity 311
9/29/20255501 N CALIFORNIA AVELincoln Square40Completed7 daysPhone CallCity 311
7/2/20265241 S MEADE AVEGarfield Ridge23Completed7 daysInternetCity 311
6/29/20261919 W NELSON STNorth Center32Completed7 daysInternetCity 311
10/30/2025822 N LEAMINGTON AVEAustin37Completed7 daysAlderman's OfficeCity 311
7/2/20262727 S ELEANOR STBridgeport11Completed7 daysInternetCity 311
9/8/20261616 S WASHTENAW AVENorth Lawndale24Completed7 daysInternetCity 311
7/8/20261640 W JUNEWAY TERRogers Park49Completed7 daysPhone CallCity 311
8/18/20254424 S UNION AVENew City15Completed7 daysPhone CallCity 311
9/24/20253726 S EMERALD AVEBridgeport11Completed7 daysAlderman's OfficeCity 311
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