- Top 100+ Urban Areas by Population

Population data courtesy of the United Nations Statistics Division and is by urban area as defined by each member country in South America (for specific city data, see our ranking by city). Data is as of 2010 estimates.

Rank Urban AreaCountryPopulation
1. São Paulo Brazil 20,250,000
2. Buenos Aires Argentina 13,070,000
3. Rio de Janeiro Brazil 11,900,000
4. Lima Peru 8,940,000
5. Bogotá Colombia 8,500,000
6. Santiago Chile 5,950,000
7. Belo Horizonte Brazil 5,850,000
8. Porto Alegre Brazil 4,075,000
9. Salvador Brazil 3,900,000
10. Recife Brazil 3,850,000
11. Fortaleza Brazil 3,700,000
12. Medellín Colombia 3,575,000
13. Curitiba Brazil 3,450,000
14. Caracas Venezuela 3,090,000
15. Campinas Brazil 2,800,000
16. Guayaquil Ecuador 2,675,000
17. Cali Colombia 2,375,000
18. Brasília Brazil 2,300,000
19. Maracaibo Venezuela 2,190,000
20. Belém Brazil 2,175,000
21. Goiânia Brazil 2,125,000
22. Asunción Paraguay 2,030,000
24. Barranquilla Colombia 1,850,000
23. Quito Ecuador 1,850,000
25. Vitória Brazil 1,825,000
26. Santos Brazil 1,800,000
27. Manaus Brazil 1,750,000
28. Valencia Venezuela 1,700,000
29. La Paz Bolivia 1,670,000
30. Santa Cruz de la Sierra Bolivia 1,650,000
31. Montevideo Uruguay 1,640,000
32. Córdoba Argentina 1,490,000
33. Natal Brazil 1,300,000
34. São Luís Brazil 1,275,000
35. Rosario Argentina 1,230,000
36. Barquisimeto Venezuela 1,180,000
37. Maceió Brazil 1,175,000
38. Bucaramanga Colombia 1,075,000
39. Maracay Venezuela 1,060,000
40. Joinville Brazil 1,050,000
41. Florianópolis Brazil 1,025,000
42. João Pessoa Brazil 1,000,000
43. Cartagena Colombia 950,000
44. Mendoza Argentina 920,000
45. Teresina Brazil 900,000
46. Valparaiso-Vina del Mar Chile 840,000
47. San Miguel de Tucumán Argentina 830,000
48. Londrina Brazil 800,000
49. Arequipa Peru 790,000
50. Aracaju Brazil 780,000
51. Cuiabá Brazil 770,000
52. Cúcuta Colombia 750,000
53. La Plata Argentina 675,000
54. Concepción Chile 660,000
55. Campo Grande Brazil 650,000
56. Cochabamba Bolivia 625,000
59. Ciudad Guayana Venezuela 600,000
58. Trujillo Peru 600,000
57. São José dos Campos Brazil 600,000
60. Sorocaba Brazil 570,000
61. Blumenau Brazil 550,000
63. Novo Gama Brazil 525,000
64. Barcelona-Puerto la Cruz Venezuela 525,000
62. Mar del Plata Argentina 525,000
66. Ribeirão Preto Brazil 500,000
69. Chiclayo Peru 500,000
68. Pereira Colombia 500,000
67. Uberlândia Brazil 500,000
65. Feira de Santana Brazil 500,000