RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4494 locations in the last 30 days (4656 reports) · Last sighting 19 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

53,164 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
4/7/20266633 S SACRAMENTO AVEChicago Lawn15Completed1 dayPhone CallCity 311
2/9/202610521 S WALLACE STRoseland21Completed1 dayPhone CallCity 311
2/10/20262131 W MORSE AVEWest Ridge40Completed1 dayMobile DeviceCity 311
3/19/20265937 S HONORE STWest Englewood15Completed1 dayInternetCity 311
2/17/20265900 S HONORE STWest Englewood15Completed1 dayPhone CallCity 311
3/16/202627 S LEAVITT STNear West Side27Completed1 dayMobile DeviceCity 311
2/11/20262343 W RICE STWest Town36Completed1 dayMobile DeviceCity 311
2/1/20261556 W 100TH PLBeverly19Completed1 dayInternetCity 311
4/19/20261639 N NORTH PARK AVELincoln Park2Completed1 dayInternetCity 311
3/17/20264906 W WARWICK AVEPortage Park30Completed1 dayMobile DeviceCity 311
12/14/20253100 W DIVERSEY AVEAvondale35Completed1 dayMobile DeviceCity 311
12/11/20253040 W 83RD PLAshburn18Completed1 dayPhone CallCity 311
6/10/20261328 W 97TH PLWashington Heights21Completed1 dayInternetCity 311
11/25/20254845 N CENTRAL AVEJefferson Park45Completed1 dayPhone CallCity 311
12/10/20251027 N LAWNDALE AVEHumboldt Park27Completed1 dayInternetCity 311
2/23/20265752 W AINSLIE STJefferson Park45Completed1 dayInternetCity 311
1/19/20263332 N NAGLE AVEDunning38Completed1 dayMobile DeviceCity 311
4/2/20265739 S CALUMET AVEWashington Park20Completed1 dayInternetCity 311
1/4/20267038 N CLARK STRogers Park49Completed1 dayInternetCity 311
7/19/20264115 W 26TH STSouth Lawndale22Completed1 dayPhone CallCity 311
2/10/20262247 N SPAULDING AVELogan Square35Completed1 dayPhone CallCity 311
3/25/20261411 W JONQUIL TERRogers Park49Completed1 dayMobile DeviceCity 311
4/9/20265758 S MOZART STGage Park15Completed1 dayMobile DeviceCity 311
4/16/20261140 S MENARD AVEAustin29Completed1 dayInternetCity 311
3/18/20264820 N HERMITAGE AVEUptown47Completed1 dayMobile DeviceCity 311
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