The population of Banggai Kepulauan Regency is 129,170 as of 2024.

The population of Banggai Kepulauan Regency was recorded at 129,170 as of 2024. This figure is an increase compared to 2023 and higher than in December 2021. Over the past five years, the Compound Annual Growth Rate (CAGR) of the population in this region was 1.76%. This growth is higher than the growth in the previous five years, which was recorded at 0.63%.

Compared to other regencies/cities in Central Sulawesi province, the population of Banggai Kepulauan Regency ranks 12th, while by island, this regency/city ranks 64th.

The population of Banggai Kepulauan Regency by age group shows that the productive age group is recorded at 85,084 or 65.87%, children at 30,433 or 23.56%, and the remaining 10.57% or 13,654 are the elderly population.

The following is the population by age in Banggai Kepulauan Regency in June 2024, sourced from the publication of the Central Bureau of Statistics (BPS):

* Age 0-4 years: 7,710 (5.97%)
* Age 5-9 years: 11,200 (8.67%)
* Age 10-14 years: 11,520 (8.92%)
* Age 15-19 years: 11,820 (9.15%)
* Age 20-24 years: 12,660 (9.8%)

* Age 25-29 years: 10,080 (7.8%)
* Age 30-34 years: 8,800 (6.81%)
* Age 35-39 years: 8,870 (6.87%)
* Age 40-44 years: 9,850 (7.62%)
* Age 45-49 years: 8,940 (6.92%)
* Age 50-54 years: 7,610 (5.89%)
* Age 55-59 years: 6,450 (5%)
* Age 60-64 years: 4,820 (3.73%)
* Age 65-69 years: 3,460 (2.68%)
* Age 70-74 years: 2,420 (1.87%)
* Age 75 years and over: 2,950 (2.29%)