88.6% of the population in Bolaang Mongondow Utara Regency is Muslim.

The Muslim population in North Bolaang Mongondow Regency as of December 31, 2023, was recorded at 77,310 people. This is an increase of 1,345 individuals compared to the previous year's reported figure of 75,965.

According to data from the Directorate General of Population and Civil Registration (Ditjen Dukcapil) of the Ministry of Home Affairs, the proportion of Muslims in this regency/city reached 88.6 percent of the total population in 2023, which numbered 87,301.

Considering the distribution across the various regions of North Sulawesi, the proportion of Muslims in North Bolaang Mongondow Regency ranks fifth.

The following is a list of the population of North Sulawesi by religion in 2023:
* Islam 77,310 (88.56%)
* Protestant 9,870 (11.31%)
* Catholic 97 (0.11%)
* Hindu 14 (0.02%)
* Buddhist 6 (0.01%)
* Confucian 4 (0.0%)
* Indigenous Beliefs 0 (0.0%)

Other regencies/cities in North Sulawesi with the largest Muslim populations, in descending order, are: Bolaang Mongondow Regency (157,150), Manado City (143,417), Kotamobagu City (105,732), Bitung City (79,414), South Bolaang Mongondow Regency (69,476), East Bolaang Mongondow Regency (65,230), North Minahasa Regency (43,698), Sangihe Islands Regency (29,340), South Minahasa Regency (23,531), and Minahasa Regency (22,729).