RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4423 locations in the last 30 days (4609 reports) · Last sighting 15 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

58,313 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
11/11/20253833 N SOUTHPORT AVELake View44Completed3 daysPhone CallCity 311
3/13/20265317 S MARYLAND AVEHyde Park20Completed3 daysPhone CallCity 311
1/23/20264300 S HONORE STNew City15Completed3 daysAlderman's OfficeCity 311
1/23/20264900 S DAMEN AVENew City15Completed3 daysPhone CallCity 311
2/13/20266136 S MASSASOIT AVEClearing13Completed3 daysInternetCity 311
11/28/20252642 W SUPERIOR STWest Town36Completed3 daysPhone CallCity 311
7/14/20262261 W MAYPOLE AVENear West Side27Completed3 daysInternetCity 311
3/9/20264640 N DOVER STUptown46Completed3 daysMobile DeviceCity 311
5/24/20265468 S DORCHESTER AVEHyde Park5Completed3 daysInternetCity 311
12/26/2025520 N DRAKE AVEHumboldt Park27Completed3 daysPhone CallCity 311
5/8/20262660 N BOSWORTH AVELincoln Park32Completed3 daysInternetCity 311
6/5/20261620 N HUMBOLDT BLVDHumboldt Park26Completed3 daysMobile DeviceCity 311
1/23/20265000 S DAMEN AVENew City15Completed3 daysPhone CallCity 311
7/6/20264407 W ADAMS STWest Garfield Park28Completed3 daysAlderman's OfficeCity 311
1/30/20267363 N WINCHESTER AVERogers Park49Completed3 daysInternetCity 311
5/8/20262222 W DIVERSEY PKWYLogan Square32Completed3 daysInternetCity 311
12/26/20254722 N CAMPBELL AVELincoln Square40Completed3 daysInternetCity 311
6/23/202611110 S AVENUE DEast Side10Completed3 daysPhone CallCity 311
8/21/20267338 N HONORE STRogers Park49Completed3 daysPhone CallCity 311
5/5/20265500 N LOTUS AVEJefferson Park45Completed3 daysInternetCity 311
9/23/20251424 W LEXINGTON STNear West Side34Completed3 daysPhone CallCity 311
9/16/202510650 S GREEN BAY AVEEast Side10Completed3 daysInternetCity 311
1/9/20266927 S ADA STWest Englewood17Completed3 daysPhone CallCity 311
1/30/20265600 W ROSCOE STPortage Park30Completed3 daysAlderman's OfficeCity 311
5/11/20261962 W MORSE AVERogers Park49Completed3 daysPhone CallCity 311
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