RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4508 locations in the last 30 days (4662 reports) · Last sighting yesterday

📰 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

53,552 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
5/14/20261211 W 33RD STBridgeport11Completed4 daysMobile DeviceCity 311
5/31/20261211 W JARVIS AVERogers Park49Completed2 daysInternetCity 311
11/4/20251211 W WEBSTER AVELincoln Park2Completed2 daysMobile DeviceCity 311
1/5/202612126 S ADA STWest Pullman21Completed1 dayInternetCity 311
2/2/202612126 S ADA STWest Pullman21Completed1 dayInternetCity 311
2/2/202612126 S ADA STWest Pullman21Completed1 dayInternetCity 311
12/2/202512126 S ADA STWest Pullman21Completed0 daysInternetCity 311
3/30/202612129 S EMERALD AVEWest Pullman21Completed1 dayInternetCity 311
1/20/202612129 S EMERALD AVEWest Pullman21Completed1 dayInternetCity 311
9/12/20251212 N MASON AVEAustin29Completed13 daysPhone CallCity 311
8/4/20251212 N MAYFIELD AVEAustin29Completed7 daysInternetCity 311
8/12/20251212 S PLYMOUTH CTNear South Side3Completed2 daysInternetCity 311
12/2/20251212 W 109TH PLMorgan Park21Completed1 dayInternetCity 311
8/4/20251212 W 109TH PLMorgan Park21Completed10 daysInternetCity 311
9/2/20251212 W 109TH PLMorgan Park21Completed10 daysInternetCity 311
12/2/20251212 W 109TH PLMorgan Park21Completed1 dayInternetCity 311
11/3/20251212 W 109TH PLMorgan Park21Completed4 daysInternetCity 311
10/6/20251212 W 109TH PLMorgan Park21Completed4 daysInternetCity 311
7/18/20261212 W ALTGELD STLincoln Park32Completed11 daysMobile DeviceCity 311
8/17/20261212 W FOSTER AVEEdgewater48Completed16 daysMobile DeviceCity 311
4/24/20261212 W HUBBARD STWest Town27Completed4 daysPhone CallCity 311
4/20/20261212 W HUBBARD STWest Town27Completed1 dayMobile DeviceCity 311
11/12/20251212 W HUBBARD STWest Town27Completed1 dayMobile DeviceCity 311
1/9/20261212 W SHERWIN AVERogers Park49Completed3 daysAlderman's OfficeCity 311
5/7/20261213 W 110TH STMorgan Park21Completed7 daysPhone CallCity 311
Page 117 of 2,143
PreviousNext