Ontario Cities by Population 2026
5 Most Populated Ontario Cities
| City | 2026 Pop. ↓ | 2025 Pop. | Annual Change |
|---|---|---|---|
| Toronto | 3,358,275 | 3,271,830 | 2.64% |
| Ottawa | 1,218,903 | 1,188,114 | 2.59% |
| Brampton | 801,732 | 777,759 | 3.08% |
| Mississauga | 768,794 | 764,597 | 0.55% |
| Hamilton | 652,266 | 640,465 | 1.84% |
| London | 508,883 | 494,785 | 2.85% |
| Markham | 376,096 | 371,504 | 1.24% |
| Vaughan | 364,031 | 358,535 | 1.53% |
| Kitchener | 338,883 | 323,917 | 4.62% |
| Windsor | 277,052 | 269,614 | 2.76% |
| Oakville | 248,459 | 243,107 | 2.2% |
| Richmond Hill | 224,887 | 222,031 | 1.29% |
| Oshawa | 221,497 | 213,592 | 3.7% |
| Burlington | 198,805 | 197,737 | 0.54% |
| Greater Sudbury / Grand Sudbury | 192,465 | 188,504 | 2.1% |
| Barrie | 179,450 | 174,469 | 2.85% |
| Cambridge | 170,908 | 165,354 | 3.36% |
| Whitby | 167,280 | 162,413 | 3% |
| Guelph | 163,551 | 160,760 | 1.74% |
| Milton | 162,259 | 157,345 | 3.12% |
| St. Catharines | 156,617 | 153,865 | 1.79% |
| Kingston | 152,403 | 149,527 | 1.92% |
| Waterloo | 146,816 | 142,450 | 3.06% |
| Ajax | 143,249 | 141,111 | 1.52% |
| Brantford | 127,240 | 123,521 | 3.01% |
| Pickering | 122,059 | 118,378 | 3.11% |
| Thunder Bay | 118,627 | 117,671 | 0.81% |
| Niagara Falls | 117,931 | 113,983 | 3.46% |
| Clarington | 116,603 | 114,180 | 2.12% |
| Chatham-Kent | 113,909 | 112,716 | 1.06% |
| Peterborough | 100,461 | 97,834 | 2.69% |
| Newmarket | 96,843 | 95,763 | 1.13% |
| Caledon | 93,143 | 90,201 | 3.26% |
| Kawartha Lakes | 86,229 | 85,351 | 1.03% |
| Sault Ste. Marie | 82,709 | 81,182 | 1.88% |
| Sarnia | 81,890 | 80,539 | 1.68% |
| Norfolk County | 76,956 | 75,618 | 1.77% |
| Halton Hills | 69,000 | 68,265 | 1.08% |
| Welland | 68,667 | 66,480 | 3.29% |
| Aurora | 68,237 | 67,385 | 1.26% |
| Belleville | 64,333 | 62,914 | 2.26% |
| North Bay | 63,957 | 62,062 | 3.05% |
| Whitchurch-Stouffville | 59,668 | 58,010 | 2.86% |
| Woodstock | 57,371 | 55,572 | 3.24% |
| Haldimand County | 57,309 | 56,059 | 2.23% |
| Cornwall | 55,471 | 54,346 | 2.07% |
| Georgina | 54,686 | 53,630 | 1.97% |
| Bradford West Gwillimbury | 53,118 | 51,346 | 3.45% |
| Innisfil | 52,219 | 50,686 | 3.02% |
| New Tecumseth | 52,128 | 50,739 | 2.74% |
| Quinte West | 50,969 | 50,385 | 1.16% |
| St. Thomas | 50,653 | 49,388 | 2.56% |
| Lakeshore | 47,027 | 45,954 | 2.33% |
| Brant | 46,897 | 45,565 | 2.92% |
| Timmins | 46,212 | 45,569 | 1.41% |
| East Gwillimbury | 45,041 | 42,989 | 4.77% |
| Cochrane | 41,094 | 39,397 | 4.31% |
| Orillia | 38,535 | 37,735 | 2.12% |
| Fort Erie | 38,039 | 37,226 | 2.18% |
| LaSalle | 37,106 | 36,452 | 1.79% |
| Stratford | 36,510 | 36,097 | 1.14% |
| Leamington | 35,616 | 34,653 | 2.78% |
| Thorold | 35,579 | 33,844 | 5.13% |
| Centre Wellington | 35,202 | 34,565 | 1.84% |
| Orangeville | 33,465 | 33,070 | 1.19% |
| Woolwich | 32,348 | 31,382 | 3.08% |
| Grimsby | 31,864 | 31,478 | 1.23% |
| Clarence-Rockland | 31,100 | 30,375 | 2.39% |
| Wasaga Beach | 29,622 | 28,736 | 3.08% |
| King | 29,302 | 29,077 | 0.77% |
| Collingwood | 29,103 | 28,366 | 2.6% |
| Lincoln | 28,928 | 28,356 | 2.02% |
| Amherstburg | 28,334 | 27,509 | 3% |
| Prince Edward County | 27,842 | 27,544 | 1.08% |
| Strathroy-Caradoc | 27,029 | 26,497 | 2.01% |
| Essa | 26,596 | 26,036 | 2.15% |
| Tecumseh | 25,904 | 25,554 | 1.37% |
| Kingsville | 25,901 | 25,302 | 2.37% |
| Oro-Medonte | 24,947 | 24,681 | 1.08% |
| Springwater | 24,612 | 24,144 | 1.94% |
| Russell | 24,549 | 23,655 | 3.78% |
| Huntsville | 24,450 | 23,948 | 2.1% |
| Owen Sound | 24,443 | 24,075 | 1.53% |
| Essex | 24,350 | 23,872 | 2% |
| Scugog | 24,341 | 23,928 | 1.73% |
| Brockville | 23,899 | 23,720 | 0.75% |
| Wilmot | 23,107 | 22,890 | 0.95% |
| Cobourg | 22,877 | 22,529 | 1.54% |
| Uxbridge | 22,706 | 22,618 | 0.39% |
| Middlesex Centre | 22,317 | 21,689 | 2.9% |
| Port Colborne | 22,231 | 21,921 | 1.41% |
| Tillsonburg | 22,212 | 21,450 | 3.55% |
| South Frontenac | 21,830 | 21,599 | 1.07% |
| Selwyn | 21,012 | 20,628 | 1.86% |
| Hanover | 20,489 | 19,950 | 2.7% |
| Pelham | 20,268 | 19,980 | 1.44% |
| Niagara-on-the-Lake | 20,221 | 20,080 | 0.7% |
| Loyalist | 20,041 | 19,761 | 1.42% |
| North Grenville | 20,022 | 19,733 | 1.46% |
| Petawawa | 19,725 | 19,606 | 0.61% |
| Midland | 19,544 | 19,305 | 1.24% |
| Bracebridge | 18,914 | 18,676 | 1.27% |
| North Perth | 18,735 | 18,168 | 3.12% |
| Saugeen Shores | 18,649 | 18,167 | 2.65% |
| Port Hope | 18,607 | 18,446 | 0.87% |
| Greater Napanee | 18,181 | 18,016 | 0.92% |
| West Nipissing / Nipissing Ouest | 17,118 | 16,682 | 2.61% |
| Clearview | 16,849 | 16,571 | 1.68% |
| West Lincoln | 16,751 | 16,586 | 0.99% |
| Mississippi Mills | 16,335 | 16,073 | 1.63% |
| St. Clair | 16,075 | 15,872 | 1.28% |
| Kenora | 15,962 | 15,892 | 0.44% |
| Severn | 15,903 | 15,716 | 1.19% |
| Thames Centre | 15,742 | 15,475 | 1.73% |
| Pembroke | 15,623 | 15,479 | 0.93% |
| Central Elgin | 15,510 | 15,230 | 1.84% |
| The Nation / La Nation | 15,427 | 15,122 | 2.02% |
| Carleton Place | 15,361 | 14,837 | 3.53% |
| Trent Hills | 15,328 | 15,103 | 1.49% |
| Ingersoll | 15,081 | 14,911 | 1.14% |
| Gravenhurst | 14,839 | 14,576 | 1.8% |
| Wellington North | 14,786 | 14,407 | 2.63% |
| South Stormont | 14,761 | 14,602 | 1.09% |
| West Grey | 14,555 | 14,355 | 1.39% |
| South Glengarry | 14,492 | 14,355 | 0.95% |
| Tiny | 14,413 | 14,195 | 1.54% |
| Brock | 13,931 | 13,710 | 1.61% |
| Stratford | 13,601 | 13,152 | 3.41% |
| North Dumfries | 13,558 | 13,051 | 3.88% |
| Perth East | 13,492 | 13,423 | 0.51% |
| Kincardine | 13,304 | 13,169 | 1.03% |
| Lambton Shores | 13,176 | 12,962 | 1.65% |
| Erin | 13,037 | 12,924 | 0.87% |
| Brighton | 12,993 | 12,900 | 0.72% |
| North Dundas | 12,848 | 12,706 | 1.12% |
| Meaford | 12,835 | 12,652 | 1.45% |
| Wellesley | 12,592 | 12,413 | 1.44% |
| Grey Highlands | 12,519 | 12,148 | 3.05% |
| Elliot Lake | 12,489 | 12,317 | 1.4% |
| Norwich | 12,453 | 12,321 | 1.07% |
| Rideau Lakes | 12,402 | 12,148 | 2.09% |
| Georgian Bluffs | 12,209 | 12,061 | 1.23% |
| Southgate | 12,194 | 11,599 | 5.13% |
| Tay | 12,118 | 11,968 | 1.25% |
| South Dundas | 12,076 | 11,943 | 1.11% |
| Adjala-Tosorontio | 12,072 | 11,948 | 1.04% |
| Hamilton | 11,868 | 11,810 | 0.49% |
| Arnprior | 11,852 | 11,459 | 3.43% |
| Cavan Monaghan | 11,836 | 11,507 | 2.86% |
| Ramara | 11,768 | 11,551 | 1.88% |
| Hawkesbury | 11,638 | 11,451 | 1.63% |
| The Blue Mountains | 11,607 | 11,162 | 3.99% |
| Mapleton | 11,579 | 11,518 | 0.53% |
| Smiths Falls | 11,445 | 11,093 | 3.17% |
| Penetanguishene | 11,338 | 11,141 | 1.77% |
| Shelburne | 11,138 | 10,767 | 3.45% |
| Alfred and Plantagenet | 11,036 | 10,896 | 1.28% |
| Brockton | 10,965 | 10,811 | 1.42% |
| North Glengarry | 10,877 | 10,772 | 0.97% |
| South Huron | 10,872 | 10,781 | 0.84% |
| Huron East | 10,525 | 10,402 | 1.18% |
| Beckwith | 10,290 | 10,073 | 2.15% |
| West Perth | 10,253 | 10,080 | 1.72% |
| Leeds and the Thousand Islands | 10,213 | 10,185 | 0.27% |
| Minto | 10,178 | 10,029 | 1.49% |
| Temiskaming Shores | 10,170 | 10,144 | 0.26% |
| Mono | 10,096 | 10,036 | 0.6% |
| Malahide | 10,051 | 9,995 | 0.56% |
| Zorra | 9,967 | 9,755 | 2.17% |
| South Bruce Peninsula | 9,916 | 9,799 | 1.19% |
| Elizabethtown-Kitley | 9,913 | 9,886 | 0.27% |
| Plympton-Wyoming | 9,789 | 9,548 | 2.52% |
| Laurentian Valley | 9,716 | 9,714 | 0.02% |
| Champlain | 9,389 | 9,321 | 0.73% |
| Kapuskasing | 8,955 | 8,825 | 1.47% |
| East Zorra-Tavistock | 8,860 | 8,710 | 1.72% |
| Hanover | 8,834 | 8,723 | 1.27% |
| Renfrew | 8,780 | 8,721 | 0.68% |
| Puslinch | 8,694 | 8,577 | 1.36% |
| Stone Mills | 8,638 | 8,523 | 1.35% |
| Muskoka Lakes | 8,625 | 8,463 | 1.91% |
| Huron-Kinloss | 8,583 | 8,445 | 1.63% |
| Douro-Dummer | 8,546 | 8,379 | 1.99% |
| Goderich | 8,473 | 8,412 | 0.73% |
| Bluewater | 8,466 | 8,327 | 1.67% |
| South-West Oxford | 8,451 | 8,375 | 0.91% |
| Aylmer | 8,449 | 8,371 | 0.93% |
| Central Huron | 8,381 | 8,318 | 0.76% |
| Blandford-Blenheim | 8,356 | 8,251 | 1.27% |
| Dysart et al | 8,303 | 8,100 | 2.51% |
| Otonabee-South Monaghan | 8,296 | 8,084 | 2.62% |
| St. Marys | 8,282 | 8,203 | 0.96% |
| Cornwall | 8,209 | 7,920 | 3.65% |
| Lincoln | 8,195 | 8,093 | 1.26% |
| Kirkland Lake | 8,184 | 8,158 | 0.32% |
| Bayham | 8,055 | 7,935 | 1.51% |
| Minden Hills | 8,052 | 7,841 | 2.69% |
| North Stormont | 8,048 | 7,946 | 1.28% |
| Whitewater Region | 7,999 | 7,899 | 1.27% |
| Kenora, Unorganized | 7,946 | 7,877 | 0.88% |
| Chatsworth | 7,882 | 7,770 | 1.44% |
| Dryden | 7,836 | 7,808 | 0.36% |
| Augusta | 7,805 | 7,767 | 0.49% |
| Arran-Elderslie | 7,730 | 7,639 | 1.19% |
| Parry Sound | 7,696 | 7,584 | 1.48% |
| Fort Frances | 7,583 | 7,607 | -0.32% |
| Trent Lakes | 7,562 | 7,357 | 2.79% |
| Wainfleet | 7,378 | 7,329 | 0.67% |
| Cramahe | 7,351 | 7,216 | 1.87% |
| Ashfield-Colborne-Wawanosh | 7,307 | 7,052 | 3.62% |
| Algoma, Unorganized, North Part | 7,210 | 7,008 | 2.88% |
| Lucan Biddulph | 7,076 | 6,827 | 3.65% |
| Perth | 7,055 | 6,972 | 1.19% |
| Thunder Bay, Unorganized | 6,942 | 6,831 | 1.62% |
| North Middlesex | 6,936 | 6,864 | 1.05% |
| Oliver Paipoonge | 6,591 | 6,524 | 1.03% |
| Tweed | 6,566 | 6,504 | 0.95% |
| Southwest Middlesex | 6,553 | 6,468 | 1.31% |
| Lanark Highlands | 6,475 | 6,370 | 1.65% |
| Petrolia | 6,467 | 6,422 | 0.7% |
| Woodstock | 6,410 | 6,260 | 2.4% |
| South Bruce | 6,282 | 6,247 | 0.56% |
| Tay Valley | 6,189 | 6,171 | 0.29% |
| Sioux Lookout | 6,138 | 6,122 | 0.26% |
| Cochrane | 6,048 | 5,948 | 1.68% |
| East Ferris | 6,029 | 5,835 | 3.32% |
| Waterloo | 5,935 | 5,714 | 3.87% |
| Seguin | 5,853 | 5,761 | 1.6% |
| Havelock-Belmont-Methuen | 5,783 | 5,663 | 2.12% |
| Armstrong | 5,686 | 5,643 | 0.76% |
| West Elgin | 5,659 | 5,566 | 1.67% |
| Southwold | 5,588 | 5,473 | 2.1% |
| Stirling-Rawdon | 5,583 | 5,489 | 1.71% |
| Gananoque | 5,575 | 5,568 | 0.13% |
| Espanola | 5,546 | 5,504 | 0.76% |
| North Huron | 5,466 | 5,411 | 1.02% |
| Central Frontenac | 5,453 | 5,348 | 1.96% |
| Asphodel-Norwood | 5,432 | 5,308 | 2.34% |
| Windsor | 5,382 | 5,368 | 0.26% |
| Deer Lake | 5,379 | 5,319 | 1.13% |
| Centre Hastings | 5,213 | 5,170 | 0.83% |
| Northern Bruce Peninsula | 5,156 | 5,018 | 2.75% |
| Hastings Highlands | 5,071 | 4,957 | 2.3% |
| Tyendinaga | 5,071 | 5,005 | 1.32% |
| Hearst | 5,052 | 5,032 | 0.4% |
| Warwick | 4,992 | 4,939 | 1.07% |
| Grand Valley | 4,966 | 4,759 | 4.35% |
| Amaranth | 4,884 | 4,808 | 1.58% |
| Marmora and Lake | 4,836 | 4,761 | 1.58% |
| Iroquois Falls | 4,664 | 4,640 | 0.52% |
| Casselman | 4,645 | 4,535 | 2.43% |
| Howick | 4,610 | 4,517 | 2.06% |
| Shelburne | 4,578 | 4,542 | 0.79% |
| Montague | 4,516 | 4,414 | 2.31% |
| Highlands East | 4,482 | 4,372 | 2.52% |
| Bonnechere Valley | 4,404 | 4,326 | 1.8% |
| Bancroft | 4,395 | 4,331 | 1.48% |
| Deep River | 4,382 | 4,353 | 0.67% |
| Prescott | 4,378 | 4,342 | 0.83% |
| Greenstone | 4,370 | 4,398 | -0.64% |
| Red Lake | 4,303 | 4,285 | 0.42% |
| Lake of Bays | 4,178 | 4,105 | 1.78% |
| Madawaska Valley | 4,173 | 4,151 | 0.53% |
| Morris-Turnberry | 4,107 | 4,028 | 1.96% |
| Perth South | 4,081 | 4,055 | 0.64% |
| Callander | 4,004 | 4,021 | -0.42% |
| Warwick | 3,997 | 3,955 | 1.06% |
| Georgian Bay | 3,877 | 3,798 | 2.08% |
| East Hawkesbury | 3,851 | 3,787 | 1.69% |
| Mulmur | 3,846 | 3,813 | 0.87% |
| Blind River | 3,728 | 3,692 | 0.98% |
| Powassan | 3,723 | 3,657 | 1.8% |
| Timiskaming, Unorganized, West Part | 3,685 | 3,606 | 2.19% |
| Melancthon | 3,665 | 3,581 | 2.35% |
| Kingston | 3,659 | 3,577 | 2.29% |
| Horton | 3,616 | 3,550 | 1.86% |
| Shuniah | 3,497 | 3,458 | 1.13% |
| North Kawartha | 3,459 | 3,355 | 3.1% |
| Merrickville-Wolford | 3,448 | 3,411 | 1.08% |
| Sables-Spanish Rivers | 3,436 | 3,412 | 0.7% |
| North Algona Wilberforce | 3,320 | 3,290 | 0.91% |
| Greater Madawaska | 3,316 | 3,234 | 2.54% |
| French River / Riviere des Francais | 3,256 | 3,178 | 2.45% |
| Enniskillen | 3,249 | 3,174 | 2.36% |
| Adelaide-Metcalfe | 3,219 | 3,196 | 0.72% |
| Marathon | 3,211 | 3,223 | -0.37% |
| Laurentian Hills | 3,180 | 3,147 | 1.05% |
| Tyendinaga Mohawk Territory | 3,118 | 3,028 | 2.97% |
| Sudbury, Unorganized, North Part | 3,117 | 3,083 | 1.1% |
| Athens | 3,070 | 3,078 | -0.26% |
| McDougall | 3,047 | 3,002 | 1.5% |
| Markstay-Warren | 3,043 | 2,990 | 1.77% |
| East Garafraxa | 2,994 | 2,976 | 0.6% |
| Algonquin Highlands | 2,986 | 2,915 | 2.44% |
| Wawa | 2,973 | 2,943 | 1.02% |
| Parry Sound, Unorganized, Centre Part | 2,968 | 2,877 | 3.16% |
| Black River-Matheson | 2,953 | 2,899 | 1.86% |
| Perry | 2,900 | 2,866 | 1.19% |
| Wikwemikong Unceded | 2,895 | 2,875 | 0.7% |
| Addington Highlands | 2,881 | 2,827 | 1.91% |
| Atikokan | 2,814 | 2,796 | 0.64% |
| Cochrane, Unorganized, North Part | 2,795 | 2,770 | 0.9% |
| Front of Yonge | 2,791 | 2,773 | 0.65% |
| Northeastern Manitoulin and the Islands | 2,776 | 2,764 | 0.43% |
| Bonfield | 2,698 | 2,597 | 3.89% |
| Brooke-Alvinston | 2,584 | 2,557 | 1.06% |
| North Frontenac | 2,580 | 2,515 | 2.58% |
| Killaloe, Hagarty and Richards | 2,508 | 2,505 | 0.12% |
| Madoc | 2,499 | 2,467 | 1.3% |
| Pikangikum 14 | 2,474 | 2,458 | 0.65% |
| Alberton | 2,458 | 2,426 | 1.32% |
| Central Manitoulin | 2,421 | 2,386 | 1.47% |
| Neebing | 2,411 | 2,390 | 0.88% |
| Woodstock | 2,395 | 2,371 | 1.01% |
| Minto | 2,365 | 2,349 | 0.68% |
| Mattawa | 2,253 | 2,193 | 2.74% |
| Sandy Lake 88 | 2,179 | 2,175 | 0.18% |
| Dawn-Euphemia | 2,135 | 2,127 | 0.38% |
| Armstrong | 2,094 | 2,062 | 1.55% |
| Manitouwadge | 2,057 | 2,052 | 0.24% |
| Huron Shores | 2,055 | 2,030 | 1.23% |
| Chapleau | 2,050 | 2,044 | 0.29% |
| Champlain | 1,994 | 1,957 | 1.89% |
| Point Edward | 1,991 | 1,989 | 0.1% |
| Akwesasne (Part) 59 | 1,976 | 1,947 | 1.49% |
| Frontenac Islands | 1,964 | 1,963 | 0.05% |
| Magnetawan | 1,918 | 1,888 | 1.59% |
| Nipissing, Unorganized, North Part | 1,898 | 1,843 | 2.98% |
| Nipissing 10 | 1,897 | 1,853 | 2.37% |
| Walpole Island 46 | 1,859 | 1,836 | 1.25% |
| Faraday | 1,857 | 1,820 | 2.03% |
| Nipissing | 1,852 | 1,840 | 0.65% |
| Deseronto | 1,850 | 1,844 | 0.33% |
| Shelburne | 1,827 | 1,797 | 1.67% |
| Macdonald, Meredith and Aberdeen Additional | 1,817 | 1,771 | 2.6% |
| Armour | 1,752 | 1,698 | 3.18% |
| St.-Charles | 1,719 | 1,654 | 3.93% |
| Brudenell, Lyndoch and Raglan | 1,679 | 1,656 | 1.39% |
| Attawapiskat 91A | 1,670 | 1,667 | 0.18% |
| Chisholm | 1,647 | 1,593 | 3.39% |
| Nipigon | 1,645 | 1,624 | 1.29% |
| Brighton | 1,638 | 1,635 | 0.18% |
| Carling | 1,638 | 1,609 | 1.8% |
| Strong | 1,634 | 1,624 | 0.62% |
| Oneida 41 | 1,608 | 1,565 | 2.75% |
| St. Joseph | 1,594 | 1,560 | 2.18% |
| Englehart | 1,578 | 1,559 | 1.22% |
| McKellar | 1,559 | 1,534 | 1.63% |
| Terrace Bay | 1,543 | 1,553 | -0.64% |
| Alberton | 1,540 | 1,498 | 2.8% |
| Factory Island 1 | 1,519 | 1,511 | 0.53% |
| Rainy River, Unorganized | 1,506 | 1,498 | 0.53% |
| Moosonee | 1,502 | 1,510 | -0.53% |
| Curve Lake First Nation 35 | 1,475 | 1,428 | 3.29% |
| Kettle Point 44 | 1,390 | 1,363 | 1.98% |
| Thessalon | 1,383 | 1,363 | 1.47% |
| Kingston | 1,349 | 1,308 | 3.13% |
| Lakeshore | 1,340 | 1,344 | -0.3% |
| Moonbeam | 1,284 | 1,262 | 1.74% |
| Armstrong | 1,279 | 1,269 | 0.79% |
| Smooth Rock Falls | 1,265 | 1,259 | 0.48% |
| Emo | 1,253 | 1,255 | -0.16% |
| Laird | 1,235 | 1,221 | 1.15% |
| Garden River 14 | 1,223 | 1,205 | 1.49% |
| South River | 1,222 | 1,211 | 0.91% |
| Sagamok | 1,217 | 1,200 | 1.42% |
| Ignace | 1,209 | 1,210 | -0.08% |
Ontario Cities Overview
The largest city in Ontario is Toronto, with a 2026 population of 3,358,275. Southgate is the fastest growing city in Ontario, having grown 5.13% annually between 2011 and 2016.