RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4159 locations in the last 30 days (4305 reports) · Last sighting 2 days 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.

32080fewer → more

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

56,145 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
7/29/20269330 S JUSTINE STWashington Heights21Completed7 daysPhone CallCity 311
7/29/202611556 S HARVARD AVEWest Pullman21Completed7 daysMobile DeviceCity 311
7/29/20264431 N MULLIGAN AVEPortage Park38Completed1 dayInternetCity 311
7/29/20265019 S ST LAWRENCE AVEGrand Boulevard20Completed12 daysPhone CallCity 311
7/29/20261636 N MOZART STWest Town26Completed13 daysInternetCity 311
7/29/20263054 N RACINE AVELake View32Completed13 daysPhone CallCity 311
7/29/20268224 S WINCHESTER AVEAuburn Gresham17Completed7 daysPhone CallCity 311
7/29/20264850 N KIMBALL AVEAlbany Park33Completed9 daysMobile DeviceCity 311
7/29/20263115 W FLOURNOY STEast Garfield Park24Completed8 daysPhone CallCity 311
7/29/20266743 S JUSTINE STWest Englewood16Completed5 daysInternetCity 311
7/29/20265850 S NAGLE AVEGarfield Ridge13Completed7 daysInternetCity 311
7/29/20267001 W SUMMERDALE AVENorwood Park41Completed9 daysMobile DeviceCity 311
7/29/202612033 S LA SALLE STWest Pullman9Completed5 daysPhone CallCity 311
7/29/20261514 W 61ST STWest Englewood16Completed8 daysPhone CallCity 311
7/29/20261641 W MARQUETTE RDWest Englewood16Completed5 daysPhone CallCity 311
7/29/20263714 N OLEANDER AVEDunning38Completed1 dayInternetCity 311
7/29/20261232 W GEORGE STLake View32Completed13 daysInternetCity 311
7/29/20261228 W GEORGE STLake View32Completed13 daysInternetCity 311
7/29/20261234 W GEORGE STLake View32Completed13 daysInternetCity 311
7/29/20265422 N MOBILE AVEJefferson Park45Completed13 daysInternetCity 311
7/29/20263135 N KIMBALL AVEAvondale35Completed13 daysPhone CallCity 311
7/28/20264704 N SAWYER AVEAlbany Park33Completed10 daysMobile DeviceCity 311
7/28/20263000 S KEELEY STBridgeport11Completed8 daysPhone CallCity 311
7/28/20267926 S MOZART STAshburn18Completed8 daysPhone CallCity 311
7/28/20265215 W OAKDALE AVEBelmont Cragin31Completed9 daysMobile DeviceCity 311
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