South America - Top 100+ Cities by Population

Population data by city is the population of the city itself, not the metro area (for specific metro area data, see our ranking by metro area). Data is as of 2011 estimates.

Rank CityCountryPopulation
2,253. Aracoiaba Brazil 13,425
2,029. Araçoiaba da Serra Brazil 15,395
672. Aracruz Brazil 58,271
1,537. Araçuaí Brazil 22,005
1,888. Aragarças Brazil 16,781
3,897. Araguaiana Brazil 3,512
395. Araguaína Brazil 105,019
426. Araguari Brazil 96,565
2,934. Araioses Brazil 8,667
4,449. Aranguren Argentina 1,581
3,803. Arani Bolivia 3,906
2,830. Aranzazu Colombia 9,327
260. Arapiraca Brazil 166,562
423. Arapongas Brazil 97,512
3,074. Arara Brazil 7,641
889. Araranguá Brazil 43,444
257. Araraquara Brazil 168,468
385. Araras Brazil 107,463
1,889. Arari Brazil 16,777
2,469. Araripe Brazil 11,860
970. Araripina Brazil 38,569
377. Araruama Brazil 109,637
3,070. Araruna Brazil 7,667
4,588. Arata Argentina 1,202
4,283. Aratoca Colombia 2,101
3,592. Arauá Brazil 4,747
588. Arauca Colombia 69,264
373. Araucária Brazil 111,302
2,210. Arauco Argentina 13,720
1,407. Arauco Chile 24,659
2,743. Arauquita Colombia 9,950
558. Araure Venezuela 73,054
500. Araxá Brazil 82,595
3,482. Arbeláez Colombia 5,252
4,389. Arboleda Colombia 1,736
4,091. Arboledas Colombia 2,702
2,968. Arboletes Colombia 8,380
4,457. Arcabuco Colombia 1,564
3,132. Archidona Ecuador 7,309
1,090. Arcos Brazil 33,355
688. Arcoverde Brazil 57,163
2,632. Areado Brazil 10,689
2,592. Areal Brazil 11,041
2,552. Areguá Paraguay 11,222
2,196. Areia Brazil 13,824
3,112. Areia Branca Brazil 7,414
1,760. Areia Branca Brazil 18,372
3,461. Arenal Colombia 5,346
2,881. Arenápolis Brazil 9,059
39. Arequipa Peru 841,130
3,147. Arês Brazil 7,231
3,926. Argelia Colombia 3,418
3,914. Argelia Colombia 3,474
3,700. Argelia Colombia 4,262
3,195. Arias Argentina 6,928
242. Arica Chile 185,999
1,333. Ariguaní Colombia 26,246
2,719. Arinos Brazil 10,077
1,299. Aripuanã Brazil 26,983
675. Ariquemes Brazil 58,096
1,603. Aristóbulo del Valle Argentina 20,683
780. Arjona Colombia 50,405
4,151. Armação Brazil 2,500
1,458. Armação de Búzios Brazil 23,463
4,303. Armenia Colombia 2,035
130. Armenia Colombia 315,328
2,668. Armstrong Argentina 10,388
3,182. Aroeiras Brazil 7,019
3,426. Arquitecto Tomás Romero Pereira Paraguay 5,533
1,336. Arraial do Cabo Brazil 26,163
1,934. Arroio do Meio Brazil 16,331
2,256. Arroio dos Ratos Brazil 13,404
1,959. Arroio Grande Brazil 16,117
1,673. Arroyito Argentina 19,577
4,081. Arroyo Cabral Argentina 2,727
4,266. Arroyo del Medio Argentina 2,142
1,642. Arroyo Seco Argentina 20,008
3,869. Arroyohondo Colombia 3,622
4,165. Arroyos y Esteros Paraguay 2,455
4,250. Arrufó Argentina 2,190
906. Artigas Uruguay 41,909
940. Artur Nogueira Brazil 40,403
565. Arujá Brazil 72,077
2,125. Ascensión Bolivia 14,429
2,174. Ascope Peru 14,015
2,366. Assaí Brazil 12,545
2,533. Assaré Brazil 11,369
475. Assis Brazil 87,471
2,594. Astolfo Dutra Brazil 10,999
1,633. Astorga Brazil 20,128
2,891. Astrea Colombia 8,995
19. Asunción Paraguay 1,482,200
3,737. Ataco Colombia 4,105
1,713. Atalaia Brazil 18,908
374. Atibaia Brazil 110,968
3,613. Atlántida Uruguay 4,669
4,361. Atocha Bolivia 1,833
2,347. Atuncolla Peru 12,654
1,832. Atuntaqui Ecuador 17,456
3,580. Atyrá Paraguay 4,768