RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4428 locations in the last 30 days (4590 reports) · Last sighting 22 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

56,907 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
7/20/20266511 S KEDVALE AVEWest Lawn13Completed10 daysAlderman's OfficeCity 311
7/20/20262334 N KOSTNER AVEHermosa31Completed10 daysPhone CallCity 311
7/20/20262334 N KOSTNER AVEHermosa31Completed10 daysPhone CallCity 311
7/20/20266552 N HARLEM AVEEdison Park41Completed9 daysPhone CallCity 311
7/20/20262935 W HOWARDWest Ridge50Completed9 daysSalesforce Mobile AppCity 311
7/20/20265554 S KARLOV AVEWest Elsdon13Completed4 daysAlderman's OfficeCity 311
7/20/20266205 S KEELER AVEWest Lawn13Completed10 daysPhone CallCity 311
7/20/20265316 W BELLE PLAINE AVEPortage Park38Completed15 daysPhone CallCity 311
7/20/20262837 W HOWARDWest Ridge50Completed9 daysSalesforce Mobile AppCity 311
7/20/20264743 N PAULINA STUptown47Completed2 daysPhone CallCity 311
7/20/20263842 N CHRISTIANA AVEIrving Park33Completed10 daysPhone CallCity 311
7/20/20262521 S HAMLIN AVESouth Lawndale22Completed7 daysPhone CallCity 311
7/20/20262520 W GUNNISON STLincoln Square40Completed8 daysInternetCity 311
7/20/20263510 N OAKLEY AVENorth Center32Completed9 daysMobile DeviceCity 311
7/20/20261836 N LOWELL AVEHermosa26Completed9 daysInternetCity 311
7/20/20267004 N ROCKWELL STWest Ridge50Completed11 daysInternetCity 311
7/20/20262655 W BELDEN AVELogan Square1Completed10 daysMobile DeviceCity 311
7/20/2026548 W 61ST PLEnglewood20Completed9 daysPhone CallCity 311
7/20/202610429 S WHIPPLE STMount Greenwood19Completed1 dayAlderman's OfficeCity 311
7/20/20265117 N GLENWOOD AVEUptown47Completed2 daysMobile DeviceCity 311
7/20/20262336 N TRIPP AVEHermosa31Completed10 daysAlderman's OfficeCity 311
7/20/20265251 S MARSHFIELD AVENew City16Completed1 dayPhone CallCity 311
7/20/20267335 W MYRTLE AVENorwood Park41Completed9 daysInternetCity 311
7/20/20265325 W SUNNYSIDE AVEPortage Park45Completed11 daysPhone CallCity 311
7/20/20263832 N LINCOLN AVENorth Center47Completed11 daysAlderman's OfficeCity 311
Page 592 of 2,277
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