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World Measure
The population almanac240 countries · 31,365 cities · UN WPP 2024
City profile · Canada · North America

Thornhill

Ontario · Canada
City population
115,292
#58
in Canada
#29
in Ontario
#5,000
worldwide
OttawaThornhill
43.815, -79.424 · 344 km from Ottawa
City population
115,292
Within the city boundary, not a metro area
Rank in Canada
#58
of 295 cities of 15,000+
World rank
#5,000
of 31,365 cities listed
Share of Canada
0.3%
of the national population

About Thornhill

Thornhill is a city in Ontario, Canada with a population of 115,292. It is the 58th largest of the 295 cities of 15,000 or more listed in Canada, and the 5,000th largest worldwide. It lies 344 km from Ottawa.

Position in Canada
#58of 295
LargestSmallest
Position in Ontario
#29of 100
LargestSmallest

Key Facts

Country
Canada
Region
Ontario
Rank in region
#29of 100
Distance to capital
344 km
to Ottawa
Elevation
175 m
Time zone
America/Toronto
Coordinates
43.815, -79.424
Record updated
2026-07-26
Entry edited, not measured

City population, GeoNames. GeoNames publishes no year for its population figures, so “record updated” is when the entry was last edited — not the date the population was measured.

Nearby Cities

All 295 in Canada

Closest listed cities by great-circle distance from the city centre.

6KMRichmond Hill202K people6KMVaughan323K people12KMToronto2.79M people14KMMarkham339K people21KMAurora55K people

Explore

CanadaAll 295 citiesOntario100 cities in the regionCountry profileCanada population & indicators