Markham open data

Markham (City, Ontario) has 362 open datasets on CanQuery. 92 have an interactive map. They come from 5 publishers. Below: the publishers and official portals, the most used and recently prepared tables, the datasets with maps, every dataset, the guides and nearby places.

Datasets: 362
Direct datasets: 41
With maps: 92
Publishers: 5
Last catalogue update: 2026-10-26

Publishers

The Regional Municipality of York 312 datasets
City of Markham 41 datasets
Ontario Ministry of Natural Resources and Forestry 6 datasets
York Region, Data, Analytics and Visualization Services Branch 2 datasets
Ontario Aviation, Forest Fire and Emergency Services 1 datasets

Official portals

City of Markham Open Data 355 datasets

Datasets with maps

Datasets

Nearby places

Ontario Province
Aurora 321 datasets
East Gwillimbury 321 datasets
Georgina 321 datasets
King 321 datasets
Newmarket 345 datasets
Richmond Hill 321 datasets
Vaughan 321 datasets
Whitchurch-Stouffville 321 datasets