RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4495 locations in the last 30 days (4662 reports) · Last sighting 23 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

52,821 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
9/18/20262017 W TOUHY AVERogers Park49Open—InternetCity 311
9/18/20262258 N MANGO AVEBelmont Cragin36Open—Phone CallCity 311
9/18/20264017 N TRIPP AVEIrving Park45Open—Mobile DeviceCity 311
9/18/20267123 S CAMPBELL AVEChicago Lawn17Open—Phone CallCity 311
9/18/20267649 S MORGAN STAuburn Gresham17Open—InternetCity 311
9/18/2026437 E 88TH PLChatham8Open—Phone CallCity 311
9/18/20262131 N BINGHAM STLogan Square1Open—Phone CallCity 311
9/18/20263010 W FARGO AVEWest Ridge50Open—InternetCity 311
9/18/20261512 W BERWYN AVEEdgewater40Open—Phone CallCity 311
9/18/20262725 W HIRSCH STWest Town26Open—Phone CallCity 311
9/18/20267714 N MARSHFIELD AVERogers Park49Open—Phone CallCity 311
9/18/20262818 N ASHLAND AVELake View32Open—InternetCity 311
9/18/20265741 S NEENAH AVEGarfield Ridge13Open—InternetCity 311
9/18/20265705 S AUSTIN AVEGarfield Ridge13Open—Mobile DeviceCity 311
9/18/20262831 S SHORT STBridgeport11Open—Alderman's OfficeCity 311
9/18/20261448 W FLETCHER STLake View32Open—Phone CallCity 311
9/18/20262951 S ARCHER AVEBridgeport11Open—InternetCity 311
9/18/20263673 N ELSTON AVEIrving Park33Open—InternetCity 311
9/18/20266201 W 64TH PLClearing13Open—InternetCity 311
9/18/20266201 W 64TH PLClearing13Open—InternetCity 311
9/18/20266155 W 64TH PLClearing13Open—InternetCity 311
9/18/20261813 S CLARK STNear South Side3Open—InternetCity 311
9/18/20261755 N SAWYER AVEHumboldt Park26Open—Mobile DeviceCity 311
9/18/20262940 N KILPATRICK AVEBelmont Cragin31Open—Mobile DeviceCity 311
9/18/20266812 S KILDARE AVEWest Lawn23Open—InternetCity 311
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