RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4614 locations in the last 30 days (4766 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

55,690 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
9/24/20266700 S ELIZABETH STWest Englewood17Completed11 daysPhone CallCity 311
8/14/20263735 W 71ST STWest Lawn23Completed11 daysMobile DeviceCity 311
9/11/20255947 S PARKSIDE AVEClearing13Completed11 daysInternetCity 311
9/12/20253316 N OVERHILL AVEDunning38Completed11 daysAlderman's OfficeCity 311
9/21/20263053 N ELBRIDGEAvondale35Completed11 daysSalesforce Mobile AppCity 311
9/19/20251549 N CICERO AVEAustin37Completed11 daysAlderman's OfficeCity 311
7/17/20261751 W 87TH STAuburn Gresham18Completed11 daysMobile DeviceCity 311
8/24/20251400 N ASTOR STNear North Side43Completed11 daysInternetCity 311
8/7/20256300 W 63RD STClearing13Completed11 daysInternetCity 311
9/8/20252912 N LOWELL AVEHermosa31Completed11 daysAlderman's OfficeCity 311
9/5/2025843 E DREXEL SQUARE DRHyde Park20Completed11 daysInternetCity 311
8/22/20256039 S ELIZABETH STWest Englewood16Completed11 daysInternetCity 311
9/27/20262233 W BERWYN AVELincoln Square40Completed11 daysPhone CallCity 311
9/8/20255742 W NEWPORT AVEPortage Park30Completed11 daysMobile DeviceCity 311
7/10/20264117 N MCVICKER AVEPortage Park38Completed11 daysPhone CallCity 311
8/28/20251623 N WOOD STWest Town32Completed11 daysAlderman's OfficeCity 311
8/25/20251337 W HENDERSON STLake View44Completed11 daysPhone CallCity 311
8/30/20251318 N CAMPBELL AVEWest Town26Completed11 daysInternetCity 311
8/31/2026430 W ELM STNear North Side27Completed11 daysInternetCity 311
7/31/20262032 N SHEFFIELD AVELincoln Park43Completed11 daysInternetCity 311
9/8/20255612 S KARLOV AVEWest Elsdon13Completed11 daysPhone CallCity 311
7/31/20253316 N OZARK AVEDunning38Completed11 daysAlderman's OfficeCity 311
7/10/20266500 S MARSHFIELD AVEWest Englewood15Completed11 daysPhone CallCity 311
7/23/20267627 N ROGERS AVERogers Park49Completed11 daysPhone CallCity 311
7/13/20263762 N HARDING AVEIrving Park30Completed11 daysMobile DeviceCity 311
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