The population of North Bolaang Mongondow Regency is 87,301 people (2023 data).

The population of North Bolaang Mongondow Regency was recorded at 87,301 as of 2023. This figure is higher than in 2021 and December 2019. Compared to the previous five years, the Compound Annual Growth Rate (CAGR) of this region is recorded as higher. The growth over the last five years was recorded at 2.16%.

Compared to other regencies/cities in North Sulawesi Province, the population of North Bolaang Mongondow Regency ranks 13th, while by island, this regency/city ranks 75th.

According to 2023 data from the Central Statistics Agency (BPS), 58,363 or approximately 66.85% of the population in North Bolaang Mongondow Regency is in the productive age group of 15-59 years. Approximately 23.04% of the total population, or about 20,111, are children (aged 0-14 years), and another 10.11% are residents over 60 years old.

The following is the population by age group in North Bolaang Mongondow Regency as of December 2023, sourced from the publication of the Central Statistics Agency (BPS):

* Age 0-4 years: 5.63 thousand people (6.45%)
* Age 5-9 years: 7.22 thousand people (8.27%)
* Age 10-14 years: 7.26 thousand people (8.32%)
* Age 15-19 years: 8.36 thousand people (9.57%)
* Age 20-24 years: 8.25 thousand people (9.45%)

* Age 25-29 years: 7.31 thousand people (8.37%)
* Age 30-34 years: 6.41 thousand people (7.34%)
* Age 35-39 years: 5.71 thousand people (6.55%)
* Age 40-44 years: 6.33 thousand people (7.25%)
* Age 45-49 years: 5.98 thousand people (6.85%)
* Age 50-54 years: 5.71 thousand people (6.55%)
* Age 55-59 years: 4.3 thousand people (4.93%)
* Age 60-64 years: 3.3 thousand people (3.78%)
* Age 65-69 years: 2.43 thousand people (2.78%)
* Age 70-74 years: 1.59 thousand people (1.82%)
* Age 75 years and older: 1.51 thousand people (1.73%)