Cochrane District is a district and census division in Northeastern Ontario in the Canadian province of Ontario. It was created in 1921 from parts of Algoma, Timiskaming and Thunder Bay districts.

In 2021, the district's population was 77,963, with a land area of 141,268.51 km2 (54,544.08 sq mi), making it slightly smaller than the US state of Michigan and the second largest district in Ontario after Kenora District. The district seat is Cochrane.

Bennet Lake Esker Kame Complex Conservation Reserve is located in Cochrane District.

Cochrane District
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Subdivisions

City:

Timmins

Towns:

Cochrane District
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Cochrane

Hearst

Iroquois Falls

Kapuskasing

Moosonee

Smooth Rock Falls

Townships:

Black River-Matheson

Fauquier-Strickland

Mattice-Val Côté

Moonbeam

Opasatika

Val Rita-Harty

Unorganized areas:

North Part (includes the local services boards of Hallébourg, Jogues, Lac-Sainte-Thérèse, and Moose Factory)

South East Part

South West Part

First Nations

Cree Nation reserves:

Abitibi Indian Reserve No. 70 (Wahgoshig First Nation)

Constance Lake 92 (Constance Lake First Nation)

Factory Island 1 (Moose Cree First Nation)

Flying Post 73 (Flying Post First Nation)

Fort Albany 67 (Fort Albany First Nation)

Moose Factory 68 (Moose Cree First Nation)

New Post 69 (Taykwa Tagamou Nation)

New Post 69A (Taykwa Tagamou Nation)

Demographics

As a census division in the 2021 Census of Population conducted by Statistics Canada, the Cochrane District had a population of 77,963 living in 33,772 of its 37,667 total private dwellings, a change of −2.2% from its 2016 population of 79,682. With a land area of 139,784.03 km2 (53,970.92 sq mi), it had a population density of 0.6/km2 (1.4/sq mi) in 2021.