RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4562 locations in the last 30 days (4717 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.

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

53,761 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
9/11/20252400 N SURREY CTLincoln Park32Completed13 daysInternetCity 311
8/11/20256949 W 64TH STClearing13Completed13 daysInternetCity 311
8/20/20262257 S SACRAMENTO AVESouth Lawndale24Completed13 daysMobile DeviceCity 311
8/20/20262255 S SACRAMENTO AVESouth Lawndale24Completed13 daysMobile DeviceCity 311
8/20/20267816 S EMERALD AVEAuburn Gresham17Completed13 daysInternetCity 311
7/17/20265537 W BALMORAL AVEJefferson Park45Completed13 daysMobile DeviceCity 311
8/14/20265204 S KNOX AVEGarfield Ridge23Completed13 daysMobile DeviceCity 311
9/9/2026825 N PULASKI RDHumboldt Park37Completed13 daysMobile DeviceCity 311
9/2/20262212 N BURLING STLincoln Park43Completed13 daysInternetCity 311
9/9/2026823 N PULASKI RDHumboldt Park37Completed13 daysMobile DeviceCity 311
9/8/20263623 W 65TH PLWest Lawn23Completed13 daysInternetCity 311
7/31/20256948 W 63RD PLClearing13Completed13 daysMobile DeviceCity 311
9/2/20262151 W GRACE STNorth Center47Completed13 daysInternetCity 311
9/11/20252643 N CLYBOURN AVELincoln Park32Completed13 daysInternetCity 311
7/29/20266947 W ARCHER AVEGarfield Ridge13Completed13 daysMobile DeviceCity 311
9/11/20252418 N CLYBOURN AVELincoln Park32Completed13 daysInternetCity 311
8/27/20269321 S PAXTON AVECalumet Heights7Completed13 daysMobile DeviceCity 311
8/6/20263016 N NEW ENGLAND AVEMontclare36Completed13 daysInternetCity 311
8/16/20257516 S SANGAMON STAuburn Gresham17Completed13 daysPhone CallCity 311
8/29/20253943 W 60TH STWest Lawn23Completed13 daysMobile DeviceCity 311
7/23/20262028 W MOFFAT STLogan Square32Completed13 daysMobile DeviceCity 311
8/5/20266038 N AUSTIN AVENorwood Park39Completed13 daysMobile DeviceCity 311
7/23/20262029 W CORTLAND STLogan Square32Completed13 daysMobile DeviceCity 311
8/29/20254643 S HOMAN AVEBrighton Park12Completed13 daysInternetCity 311
9/4/20252044 W BIRCHWOOD AVERogers Park49Completed13 daysInternetCity 311
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