RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4503 locations in the last 30 days (4653 reports) · Last sighting 22 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

54,350 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
8/19/20255210 N LECLAIRE AVEJefferson Park45Completed14 daysInternetCity 311
8/19/20256429 S WOLCOTT AVEWest Englewood15Completed7 daysInternetCity 311
8/19/20251727 W NEWPORT AVELake View47Completed14 daysMobile DeviceCity 311
8/19/20255827 S MAYFIELD AVEGarfield Ridge13Completed10 daysMobile DeviceCity 311
8/19/20256054 S MOBILE AVEClearing13Completed10 daysInternetCity 311
8/19/20255824 S MONITOR AVEGarfield Ridge13Completed10 daysMobile DeviceCity 311
8/19/20255818 S MONITOR AVEGarfield Ridge13Completed10 daysMobile DeviceCity 311
8/19/20254115 N DRAKE AVEIrving Park33Completed9 daysMobile DeviceCity 311
8/19/20253443 W 83RD PLAshburn18Completed7 daysInternetCity 311
8/19/20255800 S MAYFIELD AVEGarfield Ridge13Completed10 daysMobile DeviceCity 311
8/19/20251342 N MONTICELLO AVEHumboldt Park26Completed15 daysMobile DeviceCity 311
8/19/20253743 N NEWLAND AVEDunning38Completed9 daysPhone CallCity 311
8/19/20255219 S KILPATRICK AVEGarfield Ridge23Completed5 daysInternetCity 311
8/19/20252518 N MARMORA AVEBelmont Cragin30Completed10 daysMobile DeviceCity 311
8/19/20252125 N CLIFTON AVELincoln Park43Completed14 daysMobile DeviceCity 311
8/19/202511345 S LANGLEY AVEPullman9Completed10 daysInternetCity 311
8/19/20255008 N SAWYER AVEAlbany Park33Completed9 daysMobile DeviceCity 311
8/19/20257937 S THROOP STAuburn Gresham17Completed8 daysPhone CallCity 311
8/19/20251314 W DIVERSEY PKWYLake View32Completed13 daysMobile DeviceCity 311
8/19/2025139 N LOREL AVEAustin37Completed14 daysPhone CallCity 311
8/19/20256338 W NEWPORT AVEDunning30Completed9 daysInternetCity 311
8/19/202510735 S RIDGEWAY AVEMount Greenwood19Completed14 daysInternetCity 311
8/19/20256542 N HOYNE AVEWest Ridge40Completed8 daysMobile DeviceCity 311
8/19/20256540 N HOYNE AVEWest Ridge40Completed8 daysMobile DeviceCity 311
8/19/20256536 N HOYNE AVEWest Ridge40Completed8 daysMobile DeviceCity 311
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