RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4594 locations in the last 30 days (4752 reports) · Last sighting 21 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.

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.

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

54,128 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
8/15/20254206 S UNION AVENew City11Completed10 daysMobile DeviceCity 311
8/15/20252654 W BALMORAL AVELincoln Square40Completed12 daysMobile DeviceCity 311
8/15/20255421 N WASHTENAW AVELincoln Square40Completed12 daysMobile DeviceCity 311
8/15/20254411 N MAGNOLIA AVEUptown46Completed10 daysPhone CallCity 311
8/15/20251455 N NORTH PARK AVENear North Side2Completed5 daysMobile DeviceCity 311
8/15/20251152 W NEWPORT AVELake View44Completed12 daysMobile DeviceCity 311
8/15/20256219 N HERMITAGE AVEEdgewater40Completed11 daysInternetCity 311
8/15/20253030 W FULLERTON AVELogan Square35Completed11 daysInternetCity 311
8/15/20257410 S RACINE AVEWest Englewood17Completed6 daysMobile DeviceCity 311
8/16/20255310 W WOLFRAM STBelmont Cragin31Completed11 daysInternetCity 311
8/16/20254342 N KEDVALE AVEIrving Park39Completed10 daysInternetCity 311
8/16/20257516 S SANGAMON STAuburn Gresham17Completed13 daysPhone CallCity 311
8/16/20255942 W 60TH STClearing13Completed9 daysMobile DeviceCity 311
8/16/20254126 N DRAKE AVEIrving Park33Completed9 daysInternetCity 311
8/16/20252839 N MONT CLARE AVEMontclare29Completed9 daysInternetCity 311
8/16/20252469 N GENEVA TERLincoln Park43Completed17 daysInternetCity 311
8/16/20257004 W SCHOOL STDunning38Completed6 daysPhone CallCity 311
8/16/20257008 W SCHOOL STDunning38Completed6 daysPhone CallCity 311
8/16/20252528 W WALTON STWest Town36Completed9 daysPhone CallCity 311
8/16/20255342 N MEADE AVEJefferson Park45Completed9 daysMobile DeviceCity 311
8/16/20253655 W DIVISION STHumboldt Park36Completed9 daysInternetCity 311
8/16/20253947 W HURON STHumboldt Park37Completed11 daysInternetCity 311
8/16/20253951 W HURON STHumboldt Park37Completed11 daysInternetCity 311
8/16/20253943 W HURON STHumboldt Park37Completed11 daysInternetCity 311
8/16/20253811 W 46TH STArcher Heights14Completed6 daysPhone CallCity 311
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