In the Greater Toronto Area, there are 25 incorporated municipalities in either York Region, Halton Region, Peel Region, Durham Region or Toronto. According to the 2021 census, the Greater Toronto Area has a total population of 6,711,985.

List of municipalities

Census subdivisionMunicipal statusTotal population2011Populationdensity 2011Total population2016Populationdensity 2016Total population2021Populationdensity 2021 AjaxTown (lower-tier) 109,600 1,634.2 119,677 1,786.4 126,666 1,634.2 AuroraTown (lower-tier) 53,203 1,068.8 55,445 1,112.3 62,057 1,241.1 BramptonCity (lower-tier) 523,906 1,967.1 593,638 2,228.7 656,480 2,469.0 BrockTownship (lower-tier) 11,341 26.8 11,642 27.5 12,567 29.7 BurlingtonCity (lower-tier) 175,779 946.8 183,314 987.3 186,948 1,004.4 CaledonTown (lower-tier) 59,460 86.4 66,502 96.6 76,581 111.2 ClaringtonMunicipality (lower-tier) 84,548 138.3 92,013 150.5 101,427 166.0 East GwillimburyTown (lower-tier) 22,473 91.7 23,991 97.9 34,637 141.4 GeorginaTown (lower-tier) 43,517 151.2 45,418 157.8 47,642 165.6 Halton HillsTown (lower-tier) 59,013 213.6 61,161 221.4 62,951 227.4 KingTownship (lower-tier) 19,899 59.7 24,512 73.6 27,333 82.3 MarkhamCity (lower-tier) 301,709 1,419.3 328,966 1,549.2 338,503 1,604.8 MiltonTown (lower-tier) 84,362 232.3 110,128 303.2 132,979 366.1 MississaugaCity (lower-tier) 713,443 2,439.9 721,599 2,467.6 717,961 2,467.6 NewmarketTown (lower-tier) 79,978 2,086.3 84,224 2,190.5 87,942 2,284.1 OakvilleTown (lower-tier) 182,520 1,314.2 193,832 1,395.6 213,759 1,538.5 OshawaCity (lower-tier) 149,607 1,027.0 159,458 1,094.9 175,383 1,027.0 PickeringCity (lower-tier) 88,721 383.1 91,771 396.3 99,186 383.1 Richmond HillCity (lower-tier) 185,541 1,838.0 195,022 1,928.8 202,022 2,004.4 ScugogTownship (lower-tier) 21,569 45.4 21,617 45.5 21,581 45.5 TorontoCity (single-tier) 2,615,060 4,149.5 2,731,571 4,334.4 2,794,356 4,427.8 UxbridgeTownship (lower-tier) 20,623 49.0 21,176 50.3 21,556 51.3 VaughanCity (lower-tier) 288,301 1,054.0 306,233 1,119.4 323,103 1,185.9 WhitbyTown (lower-tier) 122,022 832.7 128,377 875.4 138,501 944.2 Whitchurch-StouffvilleTown/Municipality (lower-tier) 37,628 182.3 45,837 222.3 49,864 241.6 Total 6,053,823 937.50 6,417,124 996.54 6,711,985 1,033.77

Inhabitants per km2

Notes

References