RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4525 locations in the last 30 days (4680 reports) · Last sighting 23 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

53,552 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
6/29/20265600 S HONORE STWest Englewood15Completed14 daysPhone CallCity 311
8/27/20262224 W MEDILL AVELogan Square32Completed14 daysPhone CallCity 311
7/29/20261737 W MELROSE STLake View32Completed14 daysPhone CallCity 311
7/13/20265049 W ARGYLE STJefferson Park45Completed14 daysAlderman's OfficeCity 311
8/31/20268108 S SPAULDING AVEAshburn18Completed14 daysAlderman's OfficeCity 311
7/22/20263421 W MEDILL AVELogan Square35Completed14 daysMobile DeviceCity 311
8/8/20255428 W SCHOOL STPortage Park30Completed14 daysAlderman's OfficeCity 311
8/26/20256237 S LAFLIN STWest Englewood16Completed14 daysInternetCity 311
7/16/2026934 W 52ND STNew City20Completed14 daysPhone CallCity 311
8/20/202510731 S RIDGEWAY AVEMount Greenwood19Completed14 daysPhone CallCity 311
9/3/20265705 W NEWPORT AVEPortage Park30Completed14 daysMobile DeviceCity 311
9/4/20256330 W HYACINTH STNorwood Park39Completed14 daysAlderman's OfficeCity 311
8/28/20256650 W HAYES AVENorwood Park41Completed14 daysInternetCity 311
9/1/2026624 E 95TH STRoseland8Completed14 daysAlderman's OfficeCity 311
8/10/20262227 N WESTERN AVELogan Square32Completed14 daysMobile DeviceCity 311
8/19/20251010 W BELDEN AVELincoln Park43Completed14 daysMobile DeviceCity 311
9/3/20265246 N ASHLAND AVEEdgewater40Completed14 daysPhone CallCity 311
8/26/20256241 S LAFLIN STWest Englewood16Completed14 daysMobile DeviceCity 311
8/4/20261640 W JUNEWAY TERRogers Park49Completed14 daysPhone CallCity 311
9/3/20262019 S ASHLAND AVELower West Side25Completed14 daysPhone CallCity 311
9/10/2026143 W SWANN STFuller Park20Completed14 daysMobile DeviceCity 311
8/21/20251629 N DAYTON STLincoln Park43Completed14 daysInternetCity 311
8/20/20251529 N PAULINA STWest Town1Completed14 daysMobile DeviceCity 311
8/18/2026801 W SHERIDAN RDLake View46Completed14 daysMobile DeviceCity 311
9/8/20251624 W NELSON STLake View32Completed14 daysInternetCity 311
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