Compare City Sizes

Sydney vs Toronto

Sydney is about 19× larger than Toronto by administrative area. Sydney (Australia) covers 12,145 km² (4,689 mi²) with a population of 5.5 million, while Toronto (Canada) covers 630 km² (243 mi²) with 2.8 million residents.

Metric Sydney Toronto
Area 12,145 km² 630 km²
Area (mi²) 4,689 mi² 243 mi²
Population 5,450,496 2,794,356
Population density 449 /km² 4,434 /km²
Area ratioSydney is ~19× larger by area than Toronto.

Frequently asked questions

Is Sydney bigger than Toronto?

Yes — Sydney is about 19× larger by area: 12,145 km² vs 630 km².

How big is Sydney?

Sydney, Australia, covers about 12,145 km² (4,689 mi²) of administrative area.

How big is Toronto?

Toronto, Canada, covers about 630 km² (243 mi²) of administrative area.

Which city has more people, Sydney or Toronto?

Sydney has the larger population: 5.5 million vs 2.8 million. Population density is about 449 people/km² in Sydney and 4,434 people/km² in Toronto.

City boundaries from OpenStreetMap. Last updated 2026-08-20.

Compare other cities on the map