Census Agglomeration

An area formed by 1 or more adjacent municipalities centered on a population (known as the core). A Census Agglomeration (CA) must have a core population of at least 10,000, based on data from the previous Census of Population Program.

Appears in

Constraints

Unique key(s)

  • Census Agglomeration Code, Geography Effective Date

Stereotype(s)

n/a

Attributes

AttributeTypeMultiplicityAttribute note
Census Agglomeration Code Codeable Concept 1
Geographic Boundary Polygon 0..1
The abstract lines or physical features that separate one place or area from another.
Geography Effective Date Date 1
The first date when the information specified is valid, which is generally the release date of a census.

Relationships

From class From multiplicity Relationship To class To multiplicity
Census Agglomeration 0..* Statistical Area Classification 0..*
Census Subdivision 0..* Census Agglomeration 0..*
Census Agglomeration 0..1 has (aggregation) Census Tract 0..*

Contact us

If you have questions about this initiative, would like to be added to our stakeholder notification list or would like to participate in our consultations, please email us.

connectedcare@cihi.ca

How to cite:

Canadian Institute for Health Information. Census Agglomeration. Accessed November 02, 2026.