This is a list of the largest urban agglomerations in North America. It includes the 50 most populated urban agglomerations as determined by either CityPopulation.de or Demographia. Demographia's analytical tool is the "urban area" which may be considered as a narrower construct than the "urban agglomeration" which often include more peripheral suburbs.

NameMain CountryRankCity Population estimateRankDemographia estimate Mexico CityMexico124,900,000121,905,000 New York CityUnited States223,100,000221,396,000 Los AngelesUnited States317,700,000315,587,000ChicagoUnited States4 9,900,00048,954,000TorontoCanada5 9,765,18896,837,000WashingtonUnited States6 8,800,00057,853,000San FranciscoUnited States7 7,950,00086,844,000BostonUnited States87,850,00067,429,000DallasUnited States9 7,550,00076,979,000PhiladelphiaUnited States10 7,550,000125,795,000HoustonUnited States11 7,050,000106,703,000MiamiUnited States12 6,450,000116,139,000AtlantaUnited States13 6,100,000135,702,000DetroitUnited States14 5,850,000184,258,000MonterreyMexico15 5,850,000144,674,000GuadalajaraMexico16 5,750,000164,401,000PhoenixUnited States17 4,825,000154,617,000TampaUnited States18 4,750,000213,203,000SeattleUnited States19 4,625,000194,001,000MontréalCanada20 4,325,000203,750,000PueblaMexico21 4,175,000342,106,000Santo DomingoDominican Republic22 4,175,000174,345,000DenverUnited States23 3,950,000302,308,000OrlandoUnited States24 3,725,000233,075,000Port-au-PrinceHaiti25 3,525,000451,712,000Guatemala CityGuatemala26 3,325,000272,765,000MinneapolisUnited States27 3,300,000262,796,000San DiegoUnited States283,300,000223,078,000ClevelandUnited States29 3,100,000252,871,000VancouverCanada30 3,025,000282,484,000CincinnatiUnited States31 2,825,000471,698,000TolucaMexico32 2,650,000491,672,000Salt Lake CityUnited States33 2,625,000292,463,000CharlotteUnited States34 2,575,000242,879,000PortlandUnited States35 2,500,000332,117,000San JoséCosta Rica36 2,425,000352,106,000Las VegasUnited States37 2,375,000312,260,000Saint LouisUnited States38 2,350,000322,247,000San AntonioUnited States39 2,325,000362,088,000HavanaCuba40 2,225,000421,752,000LeónMexico41 2,225,000531,568,000TijuanaMexico422,200,000461,712,000AustinUnited States43 2,175,000391,943,000SacramentoUnited States44 2,175,000381,976,000IndianapolisUnited States45 2,100,000441,733,000Kansas CityUnited States46 2,100,000411,794,000PittsburghUnited States47 2,075,000431,738,000JacksonvilleUnited States482,025,000561,306,000San SalvadorEl Salvador49 1,930,000481,677,000San JuanUnited States50 1,910,000401,846,000Panama CityPanama571,620,000372,067,000ColumbusUnited States511,840,000501,599,000

See also List of North American metropolitan areas by population List of the largest metropolitan areas in the Americas List of North American cities by population List of largest cities

References