RatCity — Chicago Rat and Rodent Sightings Map

RatCity

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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

59,088 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
10/14/20263712 N PARIS AVEDunning38Completed12 daysInternetCity 311
10/14/2026940 N LOREL AVEAustin37Completed13 daysMobile DeviceCity 311
10/14/20264527 N TROY STAlbany Park33Completed14 daysPhone CallCity 311
10/14/2026835 N WOOD STWest Town1Completed16 daysInternetCity 311
10/14/20264340 N WHIPPLE STIrving Park33Completed14 daysPhone CallCity 311
10/14/2026331 N MAYFIELD AVEAustin29Completed9 daysMobile DeviceCity 311
10/14/20264615 N CLAREMONT AVELincoln Square47Completed14 daysAlderman's OfficeCity 311
10/14/20265550 W WAVELAND AVEPortage Park30Completed14 daysPhone CallCity 311
10/14/20265914 S MOBILE AVEClearing13Completed16 daysMobile DeviceCity 311
10/14/20262165 N WESTERN AVELogan Square32Completed14 daysAlderman's OfficeCity 311
10/14/20268619 S LOWE AVEAuburn Gresham21Completed9 daysInternetCity 311
10/14/20267654 S MORGAN STAuburn Gresham17Completed13 daysInternetCity 311
10/14/20262301 W FOSTER AVELincoln Square40Completed15 daysInternetCity 311
10/14/20262317 S HOMAN AVESouth Lawndale22Completed9 daysInternetCity 311
10/14/20264362 N KENMORE AVEUptown46Completed13 daysInternetCity 311
10/14/20266651 N CLARK STRogers Park49Completed13 daysPhone CallCity 311
10/14/2026160 E 119TH PLWest Pullman9Completed16 daysPhone CallCity 311
10/14/20264222 W 31ST STSouth Lawndale22Completed9 daysPhone CallCity 311
10/14/20265525 W HIGGINS AVEJefferson Park45Completed14 daysPhone CallCity 311
10/14/20263047 S PULASKI RDSouth Lawndale22Completed9 daysPhone CallCity 311
10/14/2026727 W ROSCOE STLake View44Completed14 daysPhone CallCity 311
10/14/20266942 N OLCOTT AVEEdison Park41Completed9 daysInternetCity 311
10/14/20264700 S INDIANA AVEGrand Boulevard3Completed13 daysPhone CallCity 311
10/14/20266415 N LAKEWOOD AVERogers Park49Completed13 daysMobile DeviceCity 311
10/14/20263405 S UNION AVEBridgeport11Completed14 daysInternetCity 311
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