RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4630 locations in the last 30 days (4797 reports) · Last sighting 8 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.

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

53,164 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
8/3/20255447 N SPAULDING AVENorth Park39Completed12 daysPhone CallCity 311
8/3/20253236 N OLEANDER AVEDunning29Completed8 daysInternetCity 311
8/3/20252030 N KEYSTONE AVEHermosa26Completed8 daysMobile DeviceCity 311
8/3/20251845 W SUPERIOR STWest Town36Completed11 daysMobile DeviceCity 311
8/3/20257347 N BELL AVEWest Ridge49Completed9 daysInternetCity 311
8/3/20253147 N SOUTHPORT AVELake View32Completed15 daysInternetCity 311
8/3/20253660 E 106TH STEast Side10Completed16 daysPhone CallCity 311
8/3/20251124 W 19TH PLLower West Side25Completed10 daysInternetCity 311
8/3/2025902 W FLETCHER STLake View44Completed11 daysMobile DeviceCity 311
8/3/20252710 W GIDDINGS STLincoln Square40Completed9 daysMobile DeviceCity 311
8/3/20251442 W BIRCHWOOD AVERogers Park49Completed8 daysPhone CallCity 311
8/3/20251909 N LARRABEE STLincoln Park43Completed4 daysInternetCity 311
8/3/20251711 W JARVIS AVERogers Park49Completed9 daysInternetCity 311
8/3/20255238 S MERRIMAC AVEGarfield Ridge23Completed10 daysMobile DeviceCity 311
8/3/20251104 W 112TH STMorgan Park21Completed11 daysPhone CallCity 311
8/3/20257518 S WENTWORTH AVEGreater Grand Crossing6Completed10 daysMobile DeviceCity 311
8/3/20255834 W GUNNISON STJefferson Park45Completed3 daysPhone CallCity 311
8/3/202510130 S CALUMET AVERoseland9Completed3 daysMobile DeviceCity 311
8/3/20255819 W AINSLIE STJefferson Park45Completed3 daysMobile DeviceCity 311
8/3/20257343 S PAXTON AVESouth Shore7Completed9 daysMobile DeviceCity 311
8/3/20255823 W AINSLIE STJefferson Park45Completed3 daysInternetCity 311
8/3/20255811 W AINSLIE STJefferson Park45Completed3 daysMobile DeviceCity 311
8/3/20255825 W AINSLIE STJefferson Park45Completed10 daysMobile DeviceCity 311
8/3/20253647 N MARSHFIELD AVELake View47Completed11 daysInternetCity 311
8/3/20255829 W AINSLIE STJefferson Park45Completed10 daysInternetCity 311
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