RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4622 locations in the last 30 days (4783 reports) · Last sighting 18 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

54,128 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
8/14/20267217 S CALIFORNIA AVEChicago Lawn18Completed11 daysMobile DeviceCity 311
6/6/20267216 W TOUHY AVEEdison Park41Completed2 daysInternetCity 311
10/11/20257216 W IBSEN STEdison Park41Completed6 daysInternetCity 311
11/15/20257216 S CORNELL AVESouth Shore7Completed3 daysMobile DeviceCity 311
8/14/20257216 S ARTESIAN AVEChicago Lawn18Completed5 daysMobile DeviceCity 311
8/10/20257215 W PALATINE AVENorwood Park41Completed12 daysPhone CallCity 311
9/27/20257215 W MYRTLE AVENorwood Park41Completed10 daysInternetCity 311
6/21/20267215 S HOMAN AVEChicago Lawn17Completed4 daysInternetCity 311
8/9/20267215 S HARVARD AVEGreater Grand Crossing6Completed10 daysPhone CallCity 311
9/30/20267214 W BRYN MAWR AVENorwood Park41Completed1 dayPhone CallCity 311
11/28/20257214 S LOWE AVEEnglewood6Completed5 daysInternetCity 311
9/30/20257214 S ABERDEEN STEnglewood17Completed8 daysPhone CallCity 311
9/22/20267214 N ROGERS AVERogers Park49Open—Phone CallCity 311
9/8/20257214 N OLEANDER AVEEdison Park41Completed7 daysAlderman's OfficeCity 311
9/15/20257214 N OLEANDER AVEEdison Park41Completed9 daysMobile DeviceCity 311
12/4/20257213 S MOZART STChicago Lawn18Completed0 daysInternetCity 311
5/5/20267213 N BELL AVEWest Ridge49Completed2 daysPhone CallCity 311
10/11/20257212 W IBSEN STEdison Park41Completed6 daysPhone CallCity 311
1/17/20267212 S ST LAWRENCE AVEGreater Grand Crossing6Completed3 daysInternetCity 311
12/18/20257212 S ROCKWELL STChicago Lawn18Completed3 daysMobile DeviceCity 311
10/16/20257212 S MORGAN STEnglewood17Completed7 daysMobile DeviceCity 311
4/27/20267212 S CENTRAL PARK AVEWest Lawn23Completed1 dayAlderman's OfficeCity 311
9/28/20267211 W SUMMERDALE AVENorwood Park41Open—InternetCity 311
8/23/20257211 W SUMMERDALE AVENorwood Park41Completed5 daysInternetCity 311
9/30/20257211 W MYRTLE AVENorwood Park41Completed7 daysMobile DeviceCity 311
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