RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4636 locations in the last 30 days (4786 reports) · Last sighting yesterday

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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

55,179 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
9/1/20254022 N AVERS AVEIrving Park45Completed11 daysMobile DeviceCity 311
9/1/20252431 W WARNER AVENorth Center47Completed9 daysInternetCity 311
9/1/202511926 S LASALLE STWest Pullman9Completed11 daysInternetCity 311
9/1/20257710 W BELMONT AVEDunning38Completed14 daysInternetCity 311
9/1/20255410 W THOMAS STAustin37Completed9 daysMobile DeviceCity 311
9/1/20255619 N SPAULDING AVENorth Park39Completed9 daysInternetCity 311
9/1/2025424 W BELDEN AVELincoln Park43Completed11 daysPhone CallCity 311
9/1/20253059 N GRESHAM AVEAvondale35Completed9 daysMobile DeviceCity 311
9/1/20252507 N TRIPP AVEHermosa31Completed13 daysMobile DeviceCity 311
9/1/20252037 N LA CROSSE AVEBelmont Cragin26Completed13 daysMobile DeviceCity 311
9/1/20253602 W WOLFRAM STAvondale35Completed4 daysInternetCity 311
9/1/20252711 N MAJOR AVEBelmont Cragin30Completed13 daysMobile DeviceCity 311
9/1/20255130 N ST LOUIS AVENorth Park39Completed9 daysPhone CallCity 311
9/1/20253259 W CHICAGO AVEHumboldt Park27Completed10 daysInternetCity 311
9/1/20254309 N PAULINA STLake View47Completed11 daysMobile DeviceCity 311
9/1/20251952 S HAMLIN AVENorth Lawndale24Completed10 daysMobile DeviceCity 311
9/2/20256124 N WINTHROP AVEEdgewater48Completed13 daysInternetCity 311
9/2/2025605 E 87TH STChatham8Completed9 daysPhone CallCity 311
9/2/20251822 W HENDERSON STNorth Center32Completed9 daysInternetCity 311
9/2/20255201 W CONGRESS PKWYAustin29Completed7 daysMobile DeviceCity 311
9/2/20255905 W WARWICK AVEPortage Park38Completed13 daysMobile DeviceCity 311
9/2/20251121 N AUSTIN AVEAustin29Completed1 dayPhone CallCity 311
9/2/20257355 W BARRY AVEDunning29Completed1 dayPhone CallCity 311
9/2/20256300 W WAVELAND AVEDunning38Completed1 dayPhone CallCity 311
9/2/20252206 S KEDVALE AVENorth Lawndale22Completed10 daysPhone CallCity 311
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