Buin: population and official figures
In depth
- Poverty and living standards in Buin: An estimated 16.5% of people in Buin comuna were in income poverty in 2024 (95% interval 12.4% to 20.5%), 31st highest of 63 Chilean cities on this site and 86th lowest of 345 comunas in the ministry's estimates. The estimate combines the direct Casen 2024 survey estimate for the comuna with a statistical model (Fay-Herriot).
What is the population of Buin?
Buin comuna had a projected 117,982 residents on 30 June 2024 according to INE, 8th smallest of 63 Chilean cities on this site; INE projected 101,743 for 2017 and 65,549 for 2002. The projections are based on the 2017 census, and the figure covers the comuna as an administrative area.
Source: Instituto Nacional de Estadisticas (INE) · saved copyIs the population of Buin growing?
Between 2017 and 2024 the projected population of Buin comuna changed by +16.0%, a gain of 16,239 people, 14th fastest-growing of 63 Chilean cities on this site; Chile as a whole changed by +9.1% on the same projections.
Source: Instituto Nacional de Estadisticas (INE) · saved copyWhat will the population of Buin be in 2035?
INE projects 135,353 residents for Buin comuna in 2035, an increase of 17,371 (+14.7%) from 2024, 9th highest of 63 Chilean cities on this site for projected change; the national projection is +5.2%.
Source: Instituto Nacional de Estadisticas (INE) · saved copyHow many women and men live in Buin?
Women and girls make up 50.4% of the projected 2024 population of Buin comuna (59,451 women, 58,531 men), 22nd lowest of 63 Chilean cities on this site for the female share.
Source: Instituto Nacional de Estadisticas (INE) · saved copyHow many older people live in Buin?
People aged 65 and over are 10.3% of the projected 2024 population of Buin comuna (12,146), 11th lowest of 63 Chilean cities on this site; children under 15 are 21.0% (24,755).
Source: Instituto Nacional de Estadisticas (INE) · saved copyHow old is the population of Buin?
Buin comuna has 49 people aged 65 or over for every 100 children under 15 in the 2024 projection, 10th lowest of 63 Chilean cities on this site; the national figure is 75.
Source: Instituto Nacional de Estadisticas (INE) · saved copyWho runs Buin?
In Chile, cities and towns are run by municipalities: Mayor (alcalde) and municipal council (concejo) directly elected for four years. Local services, primary education and health in many communes, urban planning, waste; advised by a civil society council (COSOC).
How local power works in Chile
Cities of a similar size in Chile
- San Miguel 145,424
- Alto Hospicio 143,294
- Lampa 143,032
- Quinta Normal 141,823
- Cerro Navia 139,632
- Macul 138,361
- Conchalí 136,674
- Lo Barnechea 131,053
- Coronel 128,941
- Ovalle 124,401
- La Granja 119,321
- Huechuraba 118,327
- Peñaflor 106,840
- Pedro Aguirre Cerda 104,462
- Linares 103,958
- San Joaquín 103,118
Up a level: all cities in Chile · Chile · government and power
Sources
- Ministerio de Desarrollo Social y Familia: Estimaciones de inseguridad alimentaria moderada-severa por comuna 2024 (small-area estimation applied to Casen 2024), read 28 October 2026 · saved copy (SHA-256 c7b37113503d…)
- Ministerio de Desarrollo Social y Familia: Estimaciones de tasa de pobreza por ingresos por comuna 2024 (small-area estimation applied to Casen 2024), read 28 October 2026 · saved copy (SHA-256 44b0f2a534ca…)
- Ministerio de Desarrollo Social y Familia: Estimaciones del indice de pobreza multidimensional (H) por comuna 2024 (small-area estimation applied to Casen 2024), read 28 October 2026 · saved copy (SHA-256 5f5fc8bc7a23…)
- Instituto Nacional de Estadisticas (INE): Estimaciones y proyecciones de poblacion 2002-2035, comunas (base: Censo 2017), by sex and single year of age, read 28 October 2026 · saved copy (SHA-256 de4ed9522031…)
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