RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4644 locations in the last 30 days (4794 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

55,179 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
4/6/20264934 N MONTICELLO AVEAlbany Park33Completed1 dayInternetCity 311
11/4/20256610 S KENWOOD AVEWoodlawn20Completed1 dayPhone CallCity 311
8/14/20254145 N PARKSIDE AVEPortage Park38Completed1 dayPhone CallCity 311
11/4/20254824 N CALIFORNIA AVELincoln Square40Completed1 dayPhone CallCity 311
3/3/20266100 W SCHOOL STDunning30Completed1 dayAlderman's OfficeCity 311
3/10/20262757 W MAYPOLE AVEEast Garfield Park27Completed1 dayPhone CallCity 311
3/2/20264506 N CLARENDON AVEUptown46Completed1 dayMobile DeviceCity 311
6/3/20264729 N KEWANEE AVEAlbany Park39Completed1 dayPhone CallCity 311
4/22/20262929 W NELSON STAvondale35Completed1 dayMobile DeviceCity 311
5/4/20261500 S RIDGEWAY AVENorth Lawndale24Completed1 dayPhone CallCity 311
11/3/2025124 N MOZART STEast Garfield Park27Completed1 dayPhone CallCity 311
7/28/20267641 W ADDISON STDunning38Completed1 dayMobile DeviceCity 311
9/9/20257345 S ABERDEEN STEnglewood17Completed1 dayPhone CallCity 311
7/16/20268204 S EXCHANGE AVESouth Chicago7Completed1 dayInternetCity 311
10/29/20252719 S PULASKI RDSouth Lawndale22Completed1 dayPhone CallCity 311
1/1/20262539 W COYLE AVEWest Ridge40Completed1 dayMobile DeviceCity 311
12/2/20255505 W HUTCHINSON STPortage Park38Completed1 dayMobile DeviceCity 311
3/30/202610340 S MILLARD AVEMount Greenwood19Completed1 dayInternetCity 311
6/2/2026914 W VAN BUREN STNear West Side34Completed1 dayInternetCity 311
5/5/20261643 S MILLARD AVENorth Lawndale24Completed1 dayPhone CallCity 311
6/11/20261631 S BLUE ISLAND AVELower West Side25Completed1 dayMobile DeviceCity 311
1/12/20263313 W BELDEN AVELogan Square35Completed1 dayMobile DeviceCity 311
2/17/20263651 N WAYNE AVELake View44Completed1 dayMobile DeviceCity 311
2/2/20261450 W 112TH PLMorgan Park21Completed1 dayInternetCity 311
9/22/20263600 W 59TH STWest Elsdon23Completed1 dayPhone CallCity 311
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