Last Updated: October 15, 2025
| Postal Code: |
L3T 0G9 |
| City: |
Thornhill |
| Area Name: |
Thornhill |
| Province: |
ON [Ontario] |
| Area Code(s): |
905 |
| Time Zone: |
5 |
| Day Light Savings: |
Y |
| Latitude: |
43.852605 |
| Longitude: |
-79.349271 |
| Elevation |
0 meters |
| Population*: |
50,405 |
| Dwellings*: |
20,672 |
* Dwelling and Population based on the FSA from Statistics Canada.
L3T 0G9 Census Area Designations
Information from the Postal Code Conversion File, which ties Postal Codes to different Census Canada Demographic areas.
| Census Division: |
York |
| Census Metropolitan Area: |
Toronto |
| Census Subdivision: |
Markham |
| Federal Electoral District: |
Markham--Unionville |
| Designated Place: |
|
| Economic Region: |
Toronto |
| Census Dissemination Area: |
|
| Census Dissemination Block: |
|
| Census Consolidated Subdivision: |
Markham |
| Census Tract: |
0401.10 |
| Population Centre: |
Toronto |
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