Greater Toronto and Hamilton Area

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Greater Toronto and Hamilton Area
Metropolitan Area
GTHA map.png
Country Canada
Province Ontario
 • Total8,244.42 km2 (3,183.19 sq mi)
 • Total6,954,433
 • Density844/km2 (2,216/sq mi)
 Combined population of the cities of Toronto and Hamilton and the regional municipalities of Halton, Peel, York, and Durham
Time zoneUTC-5 (EST)
 • Summer (DST)UTC-4 (EDT)
Postal Code
L, M
Area code(s)226, 519, 416, 437, 647, 705, 905, 289, 365

The Greater Toronto and Hamilton Area (GTHA) is a contiguous urban region that is composed of some of the largest cities and metropolitan areas by population in the Canadian province of Ontario. The GTHA consists of the Greater Toronto Area (GTA) and the city of Hamilton. The GTA is Canada’s most populous metropolitan area that includes the city of Toronto and the regional municipalities of Halton, Peel, York, and Durham. The GTHA forms the core of a larger urban agglomeration known as the Golden Horseshoe.

The GTA population is 6,417,516 (2016 census). Beginning in the late-2000s, the term "Greater Toronto and Hamilton Area" was introduced by a few public bodiesa to refer to the GTA plus the City of Hamilton. The population of the combined area is 6,954,433 as of 2016,[1] and is projected to grow to 8.6 million by 2031.[2]

Municipalities and populations[edit]

Authority Type Population (2016)[3]
Ajax Town 119,677
Aurora Town 55,445
Brampton City 593,638
Brock Township 11,642
Burlington City 183,314
Caledon Town 66,502
Clarington Municipality 92,013
Durham Regional Municipality 645,862
East Gwillimbury Town 23,991
Georgina Town 45,418
Halton Regional Municipality 548,435
Halton Hills Town 61,161
Hamilton City 536,917
King Township 24,512
Markham City 328,966
Milton Town 110,128
Mississauga City 721,599
Newmarket Town 84,224
Oakville Town 193,832
Oshawa City 159,458
Peel Regional Municipality 1,381,739
Pickering City 91,771
Richmond Hill Town 195,022
Scugog Township 21,617
Toronto City 2,731,571
Uxbridge Township 21,176
Vaughan City 306,233
Whitby Town 128,377
Whitchurch-Stouffville Town/Municipality 45,837
York Regional Municipality 1,109,909

See also[edit]



  1. ^ Government of Canada, Statistics Canada (2017-02-08). "Population and Dwelling Count Highlight Tables, 2016 Census". Retrieved 2019-01-22.
  2. ^ "The Big Move". Metrolinx. 2008. Retrieved 2014-03-12.
  3. ^ Canada, Government of Canada, Statistics. "Population and Dwelling Count Highlight Tables, 2016 Census". Retrieved 2017-03-06.
  4. ^ "About Us". Metrolinx Website. Metrolinx.
  5. ^ "Places to Grow: Growth Plan for the Greater Golden Horseshoe" (PDF). Ministry of Public Infrastructure Renewal. 2006. p. 9. Archived from the original (PDF) on 2011-07-06.
  6. ^ "Amendment No. 38 to the Regional Plan (2006)". Regional Municipality of Halton. 2009-12-16.