Census Metropolitan Area
An area formed by 1 or more adjacent municipalities centered on a population (known as the core). A Census Metropolitan Area (CMA) must have a total population of at least 100,000, of which 50,000 or more must live in the core, based on adjusted data from the previous Census of Population Program.
Appears in
Constraints
Unique key(s)
- Census Metropolitan Area Code, Geography Effective Date
Stereotype(s)
n/a
Attributes
| Attribute | Type | Multiplicity | Attribute note |
|---|---|---|---|
| Census Metropolitan Area Code | Codeable Concept | 1 | Uniquely specifies a census metropolitan area.
Value Set: https://www23.statcan.gc.ca/imdb/p3VD.pl?Function=getVD&TVD=1348193&CVD=1348194&CPV=A&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 Metropolitan Area | 0..* | Statistical Area Classification | 0..* | |
| Census Subdivision | 0..* | Census Metropolitan Area | 0..* | |
| Census Metropolitan Area | 0..1 | has (aggregation) | Census Tract | 0..* |
Contact us
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How to cite:
Canadian Institute for Health Information. Census Metropolitan Area. Accessed November 02, 2026.
