Dissemination Block
An area bounded on all sides by roads and/or boundaries of standard geographic areas. The Dissemination Block is the smallest geographic area for which population and dwelling counts are disseminated.
Appears in
Constraints
Unique key(s)
- Dissemination Area, Dissemination Block Code, Geography Effective Date
Stereotype(s)
n/a
Attributes
| Attribute | Type | Multiplicity | Attribute note |
|---|---|---|---|
| Geographic Boundary | Polygon | 0..1 | The abstract lines or physical features that separate one place or area from another. |
| Dissemination Block Code | Codeable Concept | 1 | Uniquely specifies a dissemination block.
Value Set:
https://www12.statcan.gc.ca/census-recensement/2021/ref/dict/az/Definition-eng.cfm?ID=geo014 |
| 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 |
|---|---|---|---|---|
| Dissemination Area | 0..* | has (composition) | Dissemination Block | 1..* |
Contact us
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How to cite:
Canadian Institute for Health Information. Dissemination Block. Accessed November 02, 2026.
