RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4092 locations in the last 30 days (4276 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 — 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
6/30/202610456 S PEORIA STWashington Heights21Completed7 daysPhone CallCity 311
8/19/20256429 S WOLCOTT AVEWest Englewood15Completed7 daysInternetCity 311
9/16/20251410 W 49TH STNew City20Completed7 daysMobile DeviceCity 311
11/10/20253717 W ALTGELD STLogan Square35Completed7 daysInternetCity 311
10/14/20256804 S ROCKWELL STChicago Lawn16Completed7 daysPhone CallCity 311
10/13/2026166 W BURTON PLNear North Side2Completed7 daysInternetCity 311
7/8/20267234 N BELL AVEWest Ridge49Completed7 daysInternetCity 311
9/12/20253310 S CARPENTER STBridgeport11Completed7 daysMobile DeviceCity 311
10/2/20253500 W 79TH STAshburn18Completed7 daysPhone CallCity 311
10/21/20252721 W CHANAY STLogan Square1Completed7 daysMobile DeviceCity 311
10/15/2025928 W 19TH STLower West Side25Completed7 daysMobile DeviceCity 311
9/30/20254413 N MAGNOLIA AVEUptown46Completed7 daysMobile DeviceCity 311
8/4/20261210 W GEORGE STLake View32Completed7 daysInternetCity 311
8/19/20251641 E 92ND STCalumet Heights8Completed7 daysPhone CallCity 311
10/2/20255760 W GRAND AVEBelmont Cragin36Completed7 daysMobile DeviceCity 311
8/21/20251119 W CULLERTON STLower West Side25Completed7 daysMobile DeviceCity 311
7/18/20262612 W 25TH STSouth Lawndale25Completed7 daysInternetCity 311
10/21/20252727 W CHANAY STLogan Square1Completed7 daysMobile DeviceCity 311
9/3/20251953 S AVERS AVENorth Lawndale24Completed7 daysInternetCity 311
8/19/20255538 S ROCKWELL STGage Park15Completed7 daysInternetCity 311
10/24/20256935 N HAMILTON AVEWest Ridge40Completed7 daysInternetCity 311
8/29/20253601 W WOLFRAM STAvondale35Completed7 daysMobile DeviceCity 311
8/7/20257642 S MORGAN STAuburn Gresham17Completed7 daysInternetCity 311
10/21/20252329 W ALTGELD STLogan Square32Completed7 daysMobile DeviceCity 311
7/6/20263142 W JARLATH STWest Ridge50Completed7 daysInternetCity 311
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