RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4336 locations in the last 30 days (4522 reports) · Last sighting 12 hours ago

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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.

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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.

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

58,530 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
6/15/20265701 N SHERIDAN RDEdgewater48Completed8 daysMobile DeviceCity 311
10/1/20255959 N KENMORE AVEEdgewater48Completed8 daysPhone CallCity 311
6/27/20264048 N MOODY AVEPortage Park38Completed8 daysInternetCity 311
7/27/2025717 S CAMPBELL AVENear West Side28Completed8 daysMobile DeviceCity 311
8/3/20251051 N LAWNDALE AVEHumboldt Park27Completed8 daysMobile DeviceCity 311
7/23/20253600 W DIVERSEY AVEAvondale35Completed8 daysMobile DeviceCity 311
7/19/20261607 S ALLPORT STLower West Side25Completed8 daysMobile DeviceCity 311
7/12/20262638 W BERWYN AVELincoln Square40Completed8 daysInternetCity 311
8/26/20253743 N SPAULDING AVEIrving Park33Completed8 daysInternetCity 311
9/28/20252346 W MOFFAT STLogan Square32Completed8 daysInternetCity 311
9/12/2026102 S HALSTED STNear West Side34Completed8 daysMobile DeviceCity 311
9/22/20262740 W 64TH STChicago Lawn16Completed8 daysMobile DeviceCity 311
8/16/20256834 W 64TH PLClearing13Completed8 daysInternetCity 311
9/6/20261433 N WELLS STNear North Side2Completed8 daysMobile DeviceCity 311
9/23/20255348 W WELLINGTON AVEBelmont Cragin31Completed8 daysInternetCity 311
9/27/2025909 W ARMITAGE AVELincoln Park43Completed8 daysInternetCity 311
6/30/20261400 N WELLS STNear North Side2Completed8 daysInternetCity 311
9/7/20252624 S CHRISTIANA AVESouth Lawndale25Completed8 daysMobile DeviceCity 311
8/13/20254856 N SAYRE AVENorwood Park41Completed8 daysMobile DeviceCity 311
7/12/20266534 N HOYNE AVEWest Ridge40Completed8 daysMobile DeviceCity 311
7/12/20266536 N HOYNE AVEWest Ridge40Completed8 daysMobile DeviceCity 311
7/7/20261723 W SHEFFIELD AVELincoln Park2Completed8 daysMobile DeviceCity 311
7/7/20261707 N SHEFFIELD AVELincoln Park2Completed8 daysMobile DeviceCity 311
9/7/20252629 S CHRISTIANA AVESouth Lawndale25Completed8 daysMobile DeviceCity 311
10/5/20251427 W OAKDALE AVELake View32Completed8 daysMobile DeviceCity 311
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