RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4508 locations in the last 30 days (4658 reports) · Last sighting 21 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

54,350 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
8/28/20256831 S ADA STWest Englewood17Completed12 daysPhone CallCity 311
7/10/20266500 S HERMITAGE AVEWest Englewood15Completed11 daysPhone CallCity 311
7/30/20256849 S ADA STWest Englewood17Completed9 daysInternetCity 311
7/10/20266400 S HERMITAGE AVEWest Englewood15Completed11 daysPhone CallCity 311
1/19/20261641 W MARQUETTE RDWest Englewood16Completed1 dayPhone CallCity 311
1/19/20261514 W 61ST STWest Englewood16Completed1 dayPhone CallCity 311
7/1/20266119 S ADA STWest Englewood16Completed9 daysMobile DeviceCity 311
7/12/20266039 S LOOMIS BLVDWest Englewood16Completed9 daysInternetCity 311
8/24/20265659 S MARSHFIELD AVEWest Englewood16Completed15 daysMobile DeviceCity 311
2/17/20265900 S HERMITAGE AVEWest Englewood15Completed1 dayPhone CallCity 311
5/16/20267151 S WOLCOTT AVEWest Englewood17Completed5 daysInternetCity 311
6/29/20261900 W 59TH STWest Englewood15Completed11 daysPhone CallCity 311
7/30/20256848 S THROOP STWest Englewood17Completed9 daysInternetCity 311
9/16/20255622 S WOOD STWest Englewood15Completed8 daysPhone CallCity 311
12/3/20256033 S LOOMIS BLVDWest Englewood16Completed0 daysInternetCity 311
12/3/20256035 S LOOMIS BLVDWest Englewood16Completed0 daysInternetCity 311
4/10/20265703 S WINCHESTER AVEWest Englewood15Completed3 daysPhone CallCity 311
2/18/20266100 S MARSHFIELD AVEWest Englewood15Completed1 dayPhone CallCity 311
7/1/20265529 S MARSHFIELD AVEWest Englewood16Completed9 daysAlderman's OfficeCity 311
2/17/20266200 S PAULINA STWest Englewood15Completed2 daysPhone CallCity 311
6/29/20267342 S PAULINA STWest Englewood17Completed1 dayInternetCity 311
5/15/20265755 S HONORE STWest Englewood15Completed4 daysPhone CallCity 311
2/18/20266100 S MARSHFIELD AVEWest Englewood15Completed1 dayPhone CallCity 311
2/17/20265500 S HONORE STWest Englewood16Completed1 dayPhone CallCity 311
7/10/20266300 S WINCHESTER AVEWest Englewood16Completed11 daysPhone CallCity 311
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