RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4545 locations in the last 30 days (4700 reports) · Last sighting 19 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

53,552 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
9/2/20265227 N SPAULDING AVENorth Park39Completed13 daysPhone CallCity 311
9/2/20266241 N OAKLEY AVEWest Ridge50Completed12 daysPhone CallCity 311
9/2/20266241 N OAKLEY AVEWest Ridge50Completed12 daysPhone CallCity 311
9/2/20262854 N MEADE AVEBelmont Cragin30Completed12 daysPhone CallCity 311
9/2/20262550 N CLARK STLincoln Park43Completed9 daysPhone CallCity 311
9/2/20264711 W HUTCHINSON STPortage Park45Completed15 daysPhone CallCity 311
9/2/20264710 W HUTCHINSON STPortage Park45Completed15 daysPhone CallCity 311
9/2/20262719 W RASCHER AVELincoln Square40Completed12 daysPhone CallCity 311
9/2/20265042 N MELVINA AVEJefferson Park45Completed8 daysPhone CallCity 311
9/2/20263632 N HOYNE AVENorth Center47Completed12 daysInternetCity 311
9/2/20261742 N SEDGWICK STLincoln Park43Completed9 daysPhone CallCity 311
9/2/20265032 N ALBANY AVEAlbany Park33Completed9 daysInternetCity 311
9/2/20265400 N LINCOLN AVELincoln Square40Completed12 daysInternetCity 311
9/2/20261124 N LECLAIRE AVEAustin37Completed13 daysMobile DeviceCity 311
9/2/20268118 S SANGAMON STAuburn Gresham17Completed12 daysPhone CallCity 311
9/2/20266600 N OCTAVIA AVEEdison Park41Completed12 daysMobile DeviceCity 311
9/2/20261042 W MARQUETTE RDEnglewood16Completed14 daysInternetCity 311
9/2/20262825 N LINDER AVEBelmont Cragin31Completed14 daysInternetCity 311
9/2/20262100 N PULASKIHermosa35Completed2 daysSalesforce Mobile AppCity 311
9/2/20262816 N LOTUS AVEBelmont Cragin31Completed14 daysInternetCity 311
9/2/20265925 S SPAULDING AVEChicago Lawn14Completed6 daysInternetCity 311
9/2/20263300 N AVERS AVEAvondale30Completed12 daysAlderman's OfficeCity 311
9/2/20263300 N SPRINGFIELD AVEAvondale30Completed12 daysAlderman's OfficeCity 311
9/2/20263941 W ADDISON STAvondale30Completed12 daysAlderman's OfficeCity 311
9/2/20263557 N PULASKI RDAvondale30Completed12 daysAlderman's OfficeCity 311
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