RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4351 locations in the last 30 days (4533 reports) · Last sighting yesterday

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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

58,146 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
3/10/20262422 N CLYBOURN AVELincoln Park32Completed3 daysMobile DeviceCity 311
5/26/20261244 W DEVON AVERogers Park49Completed3 daysPhone CallCity 311
2/7/20266048 S ALBANY AVEChicago Lawn14Completed3 daysMobile DeviceCity 311
7/17/20264144 W FLETCHER STAvondale31Completed3 daysInternetCity 311
4/17/20261630 N DAYTON STLincoln Park43Completed3 daysInternetCity 311
7/31/20267533 N SEELEY AVERogers Park49Completed3 daysPhone CallCity 311
11/28/20252751 N SEMINARY AVELincoln Park43Completed3 daysPhone CallCity 311
5/12/20262818 N MULLIGAN AVEBelmont Cragin30Completed3 daysPhone CallCity 311
10/25/20251520 W 73RD STWest Englewood17Completed3 daysInternetCity 311
8/11/20261127 N MAYFIELD AVEAustin29Completed3 daysPhone CallCity 311
3/27/20263079 S BONFIELD STBridgeport11Completed3 daysPhone CallCity 311
5/16/20264937 S PRINCETON AVEFuller Park20Completed3 daysPhone CallCity 311
8/17/202655 W CHESTNUT STNear North Side42Completed3 daysMobile DeviceCity 311
11/14/20253851 N LAKEWOOD AVELake View44Completed3 daysPhone CallCity 311
8/4/2025837 W OAKDALE AVELake View44Completed3 daysPhone CallCity 311
5/16/20264937 S PRINCETON AVEFuller Park20Completed3 daysPhone CallCity 311
11/14/20254903 W WINNEMAC AVEForest Glen45Completed3 daysMobile DeviceCity 311
10/20/2025610 W BRIAR PLLake View44Completed3 daysPhone CallCity 311
10/28/202510858 S ROCKWELL STMorgan Park19Completed3 daysMobile DeviceCity 311
11/28/20252506 N NEW ENGLAND AVEMontclare36Completed3 daysPhone CallCity 311
3/10/20265131 S GREENWOOD AVEHyde Park5Completed3 daysPhone CallCity 311
9/16/20258929 S EXCHANGE AVESouth Chicago10Completed3 daysInternetCity 311
1/9/20262037 W BIRCHWOOD AVERogers Park49Completed3 daysAlderman's OfficeCity 311
6/5/20267939 S WOODLAWN AVEAvalon Park8Completed3 daysPhone CallCity 311
9/18/20262332 N AVERS AVELogan Square35Completed3 daysPhone CallCity 311
Page 755 of 2,326
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