Chicago noise 311 requests

How many 311 requests in the noise category residents of Chicago have filed since January 2021.

Current release

Data through March 2026

Data from January 2021 through March 2026

Open data

Total Requests

1.7M

in the noise category

Latest Month

35.0K

March 2026

Share of total

18.2%

of all Chicago 311 requests

Monthly noise requests

How many noise 311 requests Chicago residents file each month.

How this category is extracted

What counts as noise: Noise complaints of all kinds: residential parties, commercial venues, construction, traffic, aircraft, and barking dogs.

In Chicago’s raw 311 feed, the following 1 service_type roll into noise:

  • Aircraft Noise Complaint

To reproduce these counts against the raw feed

SELECT count(*)
FROM <chicago_311_raw>
WHERE service_type IN (
  'Aircraft Noise Complaint'
)

Analyst tip: NYC dominates this category with the four 'Noise - *' variants (Residential, Commercial, Street/Sidewalk, Vehicle) plus the bare 'Noise' type. Calgary uses 'Bylaw - Noise Concerns' and 'Bylaw - Disturbance and Behavioural Concerns'. Chicago has a dedicated 'Aircraft Noise Complaint' worth noting if you're analyzing airport-adjacent neighborhoods.

See how noise is defined for every tracked city →

Source & provenance

Counts on this page are derived from Chicago’s official open 311 data feed, covering January 2021 through March 2026. Category assignment uses a hand-curated mapping from the city’s raw service types to a normalized cross-city category. View the underlying dataset at data.cityofchicago.org.

← Back to all Chicago 311 statistics