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
| Attribute | Type | Multiplicity | Attribute note |
|---|---|---|---|
| Census Agglomeration Code | Codeable Concept | 1 | Uniquely specifies a census agglomeration.
Value Set: https://www23.statcan.gc.ca/imdb/p3VD.pl?Function=getVD&TVD=1348193&CVD=1348194&CPV=B&CST=01012021&CLV=1&MLV=3 |
| 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..* |
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How to cite:
Canadian Institute for Health Information. Census Agglomeration. Accessed November 02, 2026.