# List of the largest urban agglomerations in North America

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. Please note that 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.
| Name | Main Country | Rank | City Population estimate | Rank | Demographia estimate |
| Mexico City | Mexico | 1 | 24,900,000 | 1 | 21,905,000 |
| New York City | United States | 2 | 23,100,000 | 2 | 21,396,000 |
| Los Angeles | United States | 3 | 17,700,000 | 3 | 15,587,000 |
| Chicago | United States | 4 | 9,900,000 | 4 | 8,954,000 |
| Toronto | Canada | 5 | 9,765,188 | 9 | 6,837,000 |
| Washington | United States | 6 | 8,800,000 | 5 | 7,853,000 |
| San Francisco | United States | 7 | 7,950,000 | 8 | 6,844,000 |
| Boston | United States | 8 | 7,850,000 | 6 | 7,429,000 |
| Dallas | United States | 9 | 7,550,000 | 7 | 6,979,000 |
| Philadelphia | United States | 10 | 7,550,000 | 12 | 5,795,000 |
| Houston | United States | 11 | 7,050,000 | 10 | 6,703,000 |
| Miami | United States | 12 | 6,450,000 | 11 | 6,139,000 |
| Atlanta | United States | 13 | 6,100,000 | 13 | 5,702,000 |
| Detroit | United States | 14 | 5,850,000 | 18 | 4,258,000 |
| Monterrey | Mexico | 15 | 5,850,000 | 14 | 4,674,000 |
| Guadalajara | Mexico | 16 | 5,750,000 | 16 | 4,401,000 |
| Phoenix | United States | 17 | 4,825,000 | 15 | 4,617,000 |
| Tampa | United States | 18 | 4,750,000 | 21 | 3,203,000 |
| Seattle | United States | 19 | 4,625,000 | 19 | 4,001,000 |
| Montréal | Canada | 20 | 4,325,000 | 20 | 3,750,000 |
| Puebla | Mexico | 21 | 4,175,000 | 34 | 2,106,000 |
| Santo Domingo | Dominican Republic | 22 | 4,175,000 | 17 | 4,345,000 |
| Denver | United States | 23 | 3,950,000 | 30 | 2,308,000 |
| Orlando | United States | 24 | 3,725,000 | 23 | 3,075,000 |
| Port-au-Prince | Haiti | 25 | 3,525,000 | 45 | 1,712,000 |
| Guatemala City | Guatemala | 26 | 3,325,000 | 27 | 2,765,000 |
| Minneapolis | United States | 27 | 3,300,000 | 26 | 2,796,000 |
| San Diego | United States | 28 | 3,300,000 | 22 | 3,078,000 |
| Cleveland | United States | 29 | 3,100,000 | 25 | 2,871,000 |
| Vancouver | Canada | 30 | 3,025,000 | 28 | 2,484,000 |
| Cincinnati | United States | 31 | 2,825,000 | 47 | 1,698,000 |
| Toluca | Mexico | 32 | 2,650,000 | 49 | 1,672,000 |
| Salt Lake City | United States | 33 | 2,625,000 | 29 | 2,463,000 |
| Charlotte | United States | 34 | 2,575,000 | 24 | 2,879,000 |
| Portland | United States | 35 | 2,500,000 | 33 | 2,117,000 |
| San José | Costa Rica | 36 | 2,425,000 | 35 | 2,106,000 |
| Las Vegas | United States | 37 | 2,375,000 | 31 | 2,260,000 |
| Saint Louis | United States | 38 | 2,350,000 | 32 | 2,247,000 |
| San Antonio | United States | 39 | 2,325,000 | 36 | 2,088,000 |
| Havana | Cuba | 40 | 2,225,000 | 42 | 1,752,000 |
| León | Mexico | 41 | 2,225,000 | 53 | 1,568,000 |
| Tijuana | Mexico | 42 | 2,200,000 | 46 | 1,712,000 |
| Austin | United States | 43 | 2,175,000 | 39 | 1,943,000 |
| Sacramento | United States | 44 | 2,175,000 | 38 | 1,976,000 |
| Indianapolis | United States | 45 | 2,100,000 | 44 | 1,733,000 |
| Kansas City | United States | 46 | 2,100,000 | 41 | 1,794,000 |
| Pittsburgh | United States | 47 | 2,075,000 | 43 | 1,738,000 |
| Jacksonville | United States | 48 | 2,025,000 | 56 | 1,306,000 |
| San Salvador | El Salvador | 49 | 1,930,000 | 48 | 1,677,000 |
| San Juan | United States | 50 | 1,910,000 | 40 | 1,846,000 |
| Panama City | Panama | 57 | 1,620,000 | 37 | 2,067,000 |
| Columbus | United States | 51 | 1,840,000 | 50 | 1,599,000 |