Weekly Rat Trends — Oct 26–Nov 1, 2026

🐀 1,021 new reports — down 9% from the week before
👑 Lake View is Rat King with 70 reports
📈 Biggest jump: Lincoln Park, up 15 from last week
🏙️ The city took 11.2 days on average to resolve a complaint

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

59,088 reports match your filters.

NeighborhoodWardStatusZip codeFromTo

Date	Address	Neighborhood	Ward	Status	Response time	Reported via	Source
4/10/2026	1101 N AUSTIN BLVD	Austin	29	Completed	3 days	Phone Call	City 311
10/19/2026	5104 W HURON ST	Austin	37	Completed	10 days	Phone Call	City 311
9/23/2025	5408 W GLADYS AVE	Austin	29	Completed	9 days	Mobile Device	City 311
8/28/2025	912 N LEAMINGTON AVE	Austin	37	Completed	14 days	Internet	City 311
9/2/2025	1128 N LAWLER AVE	Austin	37	Completed	9 days	Phone Call	City 311
10/29/2025	1800 N MAYFIELD AVE	Austin	29	Completed	6 days	Mobile Device	City 311
10/29/2025	1801 N MAYFIELD AVE	Austin	29	Completed	6 days	Mobile Device	City 311
9/2/2025	1100 N LECLAIRE AVE	Austin	37	Completed	9 days	Phone Call	City 311
10/29/2025	1121 N AUSTIN BLVD	Austin	29	Completed	6 days	Phone Call	City 311
12/28/2025	5103 W LEXINGTON ST	Austin	24	Completed	1 day	Phone Call	City 311
10/29/2026	300 N MASON AVE	Austin	29	Open	—	Phone Call	City 311
10/29/2026	22 N PARKSIDE AVE	Austin	29	Open	—	Internet	City 311
7/9/2026	45 N LOTUS AVE	Austin	37	Completed	8 days	Phone Call	City 311
3/29/2026	160 N LAPORTE AVE	Austin	28	Completed	1 day	Phone Call	City 311
3/25/2026	5044 W VAN BUREN ST	Austin	29	Completed	5 days	Phone Call	City 311
1/3/2026	918 N LARAMIE AVE	Austin	37	Completed	2 days	Phone Call	City 311
10/31/2025	4916 W CORTEZ ST	Austin	37	Completed	6 days	Phone Call	City 311
3/29/2026	131 N LARAMIE AVE	Austin	28	Completed	1 day	Mobile Device	City 311
12/24/2025	5103 W WASHINGTON BLVD	Austin	28	Completed	2 days	Phone Call	City 311
9/28/2025	5050 W HURON ST	Austin	37	Completed	4 days	Phone Call	City 311
10/21/2026	1619 N LINDER AVE	Austin	37	Completed	13 days	Mobile Device	City 311
10/30/2025	4830 W FERDINAND ST	Austin	37	Completed	7 days	Phone Call	City 311
7/2/2026	747 N PINE AVE	Austin	37	Completed	7 days	Mobile Device	City 311
6/29/2026	148 N LONG AVE	Austin	37	Completed	3 days	Mobile Device	City 311
6/29/2026	720 N LECLAIRE AVE	Austin	37	Completed	3 days	Phone Call	City 311

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