RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4524 locations in the last 30 days (4675 reports) · Last sighting 18 hours ago

📰 Blog
DayWeek30 DaysYear
Loading map…

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

54,350 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
8/19/20252351 W ADAMS STNear West Side27Completed10 daysPhone CallCity 311
8/19/20252612 N MEADE AVEBelmont Cragin30Completed10 daysPhone CallCity 311
8/19/2025839 W 50TH STNew City20Completed7 daysPhone CallCity 311
8/19/2025846 W 50TH STNew City20Completed7 daysPhone CallCity 311
8/19/20251711 W THOME AVEEdgewater40Completed9 daysInternetCity 311
8/19/20251719 W RASCHER AVEEdgewater40Completed8 daysInternetCity 311
8/19/20253000 S HALSTED STBridgeport11Completed8 daysAlderman's OfficeCity 311
8/19/20256150 N HOYNE AVEWest Ridge40Completed9 daysInternetCity 311
8/19/20253405 S HALSTED STBridgeport11Completed8 daysInternetCity 311
8/19/20253047 S HALSTED STBridgeport11Completed8 daysAlderman's OfficeCity 311
8/19/20254510 S PAULINA STNew City15Completed6 daysInternetCity 311
8/19/20254917 W SUPERIOR STAustin37Completed10 daysPhone CallCity 311
8/19/20253216 S SHIELDS AVEArmour Square11Completed8 daysAlderman's OfficeCity 311
8/19/20253133 S LOWE AVEBridgeport11Completed8 daysAlderman's OfficeCity 311
8/19/20252421 N LUNA AVEBelmont Cragin31Completed10 daysAlderman's OfficeCity 311
8/19/20251813 S CARPENTER STLower West Side25Completed9 daysAlderman's OfficeCity 311
8/19/20252422 N LUNA AVEBelmont Cragin31Completed10 daysAlderman's OfficeCity 311
8/19/20253359 W WILSON AVEAlbany Park33Completed9 daysInternetCity 311
8/19/2025918 W 36TH STBridgeport11Completed10 daysAlderman's OfficeCity 311
8/19/20255004 W MONTANA STBelmont Cragin31Completed16 daysAlderman's OfficeCity 311
8/19/20255005 W MONTANA STBelmont Cragin31Completed16 daysAlderman's OfficeCity 311
8/19/2025701 W 31ST STBridgeport11Completed8 daysAlderman's OfficeCity 311
8/19/20254104 W NELSON STAvondale31Completed14 daysAlderman's OfficeCity 311
8/19/20254107 W NELSON STAvondale31Completed14 daysAlderman's OfficeCity 311
8/19/20254557 W DIVERSEY AVEHermosa31Completed14 daysAlderman's OfficeCity 311
Page 174 of 2,174
PreviousNext