26.2% of the population in Bolaang Mongondow Timur Regency is Protestant.

The Protestant population in Bolaang Mongondow Timur Regency as of December 31, 2023, was recorded at 23,818 people. Compared to the previous year, the number of Protestants in the regency/city increased by 2,047 people.

According to data from the Directorate General of Population and Civil Registration (Ditjen Dukcapil) of the Ministry of Home Affairs, the proportion of Protestants in this regency/city reached 26.2 percent of the total population in 2024, which numbered 91,051 people.

When viewed in terms of its distribution relative to the population of each area in North Sulawesi, the proportion of Protestants in Bolaang Mongondow Timur Regency ranks 12th.

The following is a list of the population in North Sulawesi by religion in 2023:
* Islam 65,230 (71.64%)
* Protestant 23,818 (26.16%)
* Catholic 1,715 (1.88%)
* Hindu 14 (0.02%)
* Buddhist 8 (0.01%)
* Indigenous Beliefs 2 (0.0%)
* Confucian 0 (0.0%)

Other regencies/cities in North Sulawesi with the largest Protestant populations, in descending order, are Minahasa Regency (294,434 people), Manado City (291,546 people), South Minahasa Regency (210,538 people), North Minahasa Regency (166,154 people), Bitung City (131,621 people), Sangihe Islands Regency (106,600 people), Southeast Minahasa Regency (97,616 people), Talaud Islands Regency (94,644 people), Bolaang Mongondow Regency (81,967 people), and Tomohon City (74,881 people).