RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4524 locations in the last 30 days (4687 reports) · Last sighting 16 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
8/14/20261909 W TOUHY AVERogers Park49Completed17 daysPhone CallCity 311
7/31/20262400 W 45TH STBrighton Park15Completed17 daysAlderman's OfficeCity 311
9/8/2026400 E 33RD STDouglas4Completed17 daysInternetCity 311
7/24/20267035 W IRVING PARK RDDunning38Completed17 daysAlderman's OfficeCity 311
7/31/20262401 43RD STBrighton Park15Completed17 daysAlderman's OfficeCity 311
7/24/20267025 W IRVING PARK RDDunning38Completed17 daysPhone CallCity 311
7/24/20265510 W HUTCHINSON STPortage Park38Completed17 daysPhone CallCity 311
7/31/20266328 S ALBANY AVEChicago Lawn15Completed17 daysInternetCity 311
9/4/20263732 N PINE GROVE AVELake View46Completed17 daysInternetCity 311
8/12/20255411 S NEWLAND AVEGarfield Ridge23Completed17 daysAlderman's OfficeCity 311
8/16/202613152 S MACKINAW AVEHegewisch10Completed17 daysInternetCity 311
8/14/20263759 N NOTTINGHAM AVEDunning38Completed17 daysInternetCity 311
8/2/20255202 N MAGNOLIA AVEEdgewater48Completed17 daysMobile DeviceCity 311
9/1/20264035 N MONTICELLO AVEIrving Park45Completed17 daysInternetCity 311
8/17/2026431 E 88TH PLChatham8Completed17 daysPhone CallCity 311
8/17/2026542 E 89TH PLChatham8Completed17 daysPhone CallCity 311
8/15/20269156 S OGLESBY AVECalumet Heights7Completed17 daysInternetCity 311
7/31/20262400 W 45TH STBrighton Park15Completed17 daysAlderman's OfficeCity 311
8/17/2026522 E 89TH STChatham8Completed17 daysPhone CallCity 311
8/22/20255817 W SCHOOL STPortage Park30Completed17 daysAlderman's OfficeCity 311
8/3/20263248 W HURON STHumboldt Park27Completed17 daysPhone CallCity 311
9/4/20265928 S SAWYER AVEChicago Lawn14Completed17 daysMobile DeviceCity 311
8/15/20263639 W WOLFRAMAvondale35Completed17 daysSalesforce Mobile AppCity 311
7/31/20265216 W BERTEAU AVEPortage Park38Completed17 daysPhone CallCity 311
9/4/20265717 N MEADE AVENorwood Park45Completed17 daysPhone CallCity 311
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