RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4445 locations in the last 30 days (4623 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

58,010 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
8/15/2026356 E 70TH PLGreater Grand Crossing6Completed9 daysInternetCity 311
7/8/20266500 N SAYRE AVENorwood Park41Completed9 daysPhone CallCity 311
7/29/20254517 N KNOX AVEIrving Park39Completed9 daysPhone CallCity 311
9/10/20255936 N CHRISTIANA AVENorth Park39Completed9 daysPhone CallCity 311
7/28/20255700 W GROVER STJefferson Park45Completed9 daysPhone CallCity 311
9/9/202526 E 91ST STChatham6Completed9 daysPhone CallCity 311
8/25/20261337 W NEWPORT AVELake View44Completed9 daysPhone CallCity 311
8/25/20255212 W BELLE PLAINE AVEPortage Park38Completed9 daysAlderman's OfficeCity 311
7/28/20252508 W WALTON STWest Town36Completed9 daysPhone CallCity 311
9/8/20251401 S AVERS AVENorth Lawndale24Completed9 daysPhone CallCity 311
8/12/20251926 N WOLCOTT AVELogan Square32Completed9 daysInternetCity 311
9/29/20252950 W JACKSON BLVDEast Garfield Park27Completed9 daysPhone CallCity 311
9/9/20252435 W LOGAN BLVDLogan Square1Completed9 daysMobile DeviceCity 311
9/15/20251950 W FARGO AVERogers Park49Completed9 daysAlderman's OfficeCity 311
8/18/20253145 N NEW ENGLAND AVEMontclare36Completed9 daysInternetCity 311
9/28/20262301 N PULASKI RDLogan Square35Completed9 daysInternetCity 311
9/15/20255817 W NEWPORT AVEPortage Park30Completed9 daysAlderman's OfficeCity 311
8/16/20256776 N IONIA AVEForest Glen45Completed9 daysInternetCity 311
8/13/2025424 N HAMLIN AVEHumboldt Park37Completed9 daysAlderman's OfficeCity 311
7/28/20251631 N MOZART STWest Town26Completed9 daysMobile DeviceCity 311
9/7/20251745 N ARTESIAN AVEWest Town1Completed9 daysMobile DeviceCity 311
7/15/20263252 N DRAKEAvondale35Completed9 daysSalesforce Mobile AppCity 311
8/24/20263349 S LITUANICA AVEBridgeport11Completed9 daysPhone CallCity 311
9/15/20252730 N KENMORE AVELincoln Park43Completed9 daysInternetCity 311
10/8/20254310 W FLOURNOY STWest Garfield Park24Completed9 daysMobile DeviceCity 311
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