RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4503 locations in the last 30 days (4671 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.

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

52,821 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
4/20/20263458 N CLARK STLake View44Completed0 daysMobile DeviceCity 311
12/25/20254726 N DOVER STUptown46Completed0 daysInternetCity 311
2/12/20266034 S MENARD AVEClearing13Completed0 daysMobile DeviceCity 311
2/19/20261218 N ROCKWELL STWest Town26Completed0 daysMobile DeviceCity 311
6/8/20267769 S KOMENSKY AVEAshburn18Completed0 daysInternetCity 311
3/3/20264300 N RICHMOND STIrving Park33Completed0 daysMobile DeviceCity 311
1/19/20263700 N SPAULDING AVEIrving Park33Completed0 daysMobile DeviceCity 311
12/15/20258169 W FOREST PRESERVE AVEDunning38Completed0 daysMobile DeviceCity 311
6/11/20262800 S WENTWORTH AVEArmour Square11Completed0 daysMobile DeviceCity 311
1/6/20261838 W CORTLAND STLogan Square32Completed0 daysMobile DeviceCity 311
4/6/20267040 W IMLAY STNorwood Park41Completed0 daysMobile DeviceCity 311
5/7/202610443 S INDIANA AVERoseland9Completed0 daysInternetCity 311
5/11/20262819 N RICHMONDAvondale35Completed0 daysSalesforce Mobile AppCity 311
12/3/20256033 S LOOMIS BLVDWest Englewood16Completed0 daysInternetCity 311
3/6/2026464 W 28TH STBridgeport11Completed0 daysInternetCity 311
3/18/20265310 S WASHTENAW AVEGage Park14Completed0 daysMobile DeviceCity 311
12/3/20256035 S LOOMIS BLVDWest Englewood16Completed0 daysInternetCity 311
3/6/2026468 W 28TH STBridgeport11Completed0 daysInternetCity 311
1/6/20263722 N HALSTED STLake View46Completed0 daysMobile DeviceCity 311
3/11/20261740 W CATALPA AVEEdgewater40Completed0 daysMobile DeviceCity 311
9/25/20254163 W BARRY AVEAvondale31Completed0 daysInternetCity 311
3/19/20263402 W 61ST STChicago Lawn14Completed0 daysPhone CallCity 311
2/12/20262806 S WENTWORTH AVEArmour Square11Completed0 daysMobile DeviceCity 311
12/15/2025814 W LAKESIDE PLUptown46Completed0 daysMobile DeviceCity 311
12/12/20255928 W ROSCOE STPortage Park30Completed0 daysMobile DeviceCity 311
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