RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4748 locations in the last 30 days (4904 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

1,107 reports match your filters.

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DateAddressNeighborhoodWardStatusResponse timeReported viaSource
9/30/20264116 N DAMEN AVENorth Center47Open—Mobile DeviceCity 311
9/30/2026178 N LAPORTE AVEAustin28Open—InternetCity 311
9/30/2026759 S KEDVALE AVEWest Garfield Park24Open—InternetCity 311
9/30/202611226 S HALSTED STMorgan Park21Open—Phone CallCity 311
9/30/2026811 S WESTERN AVENear West Side28Open—Phone CallCity 311
9/30/20266110 S OAKLEY AVEChicago Lawn16Open—Phone CallCity 311
9/30/202611225 S HOMAN AVEMount Greenwood19Open—Alderman's OfficeCity 311
9/30/202610314 S MILLARD AVEMount Greenwood19Open—Phone CallCity 311
9/30/20263406 W BEACH AVEHumboldt Park26Open—Mobile DeviceCity 311
9/30/20261616 N SPAULDING AVEHumboldt Park26Open—InternetCity 311
9/30/20262414 W WINONA STLincoln Square40Open—InternetCity 311
9/30/202610321 S LOWE AVERoseland21Open—InternetCity 311
9/30/20267218 W BRYN MAWR AVENorwood Park41Completed1 dayPhone CallCity 311
9/30/20267214 W BRYN MAWR AVENorwood Park41Completed1 dayPhone CallCity 311
9/30/20265122 S LINDER AVEGarfield Ridge23Open—Phone CallCity 311
9/30/20265400 S KARLOV AVEWest Elsdon23Open—Phone CallCity 311
9/30/20263426 W CORTLAND STLogan Square26Open—Phone CallCity 311
9/30/20262209 W HIGHLAND AVEWest Ridge50Open—Phone CallCity 311
9/30/2026745 W WRIGHTWOOD AVELincoln Park43Open—Mobile DeviceCity 311
9/30/20269816 S EMERALD AVEWashington Heights21Open—Phone CallCity 311
9/30/202610516 S EGGLESTON AVERoseland21Completed6 daysPhone CallCity 311
9/30/20269043 S ADA STWashington Heights21Open—Phone CallCity 311
9/30/20264148 N MONITOR AVEPortage Park38Open—Phone CallCity 311
9/30/20265142 S SACRAMENTO AVEGage Park14Completed1 dayPhone CallCity 311
9/30/20265102 W CULLOM AVEPortage Park45Open—Phone CallCity 311
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