98.4% of the population in West Bandung Regency is Muslim.

The Muslim population in Bandung Barat Regency, as of December 31, 2023, was recorded at 1.82 million. Compared to the previous year, the number of residents practicing Islam in the regency/city increased by 46,799.

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 98.4 percent of the total population in 2023, which numbered 1.85 million.

In terms of distribution across the population of each region in West Java, the proportion of Muslims in Bandung Barat Regency ranks 13th.

The following is a list of the population of West Java by religion in 2023:

* Islam 1,817,590 (98.4%)
* Protestant 21,363 (1.16%)
* Catholic 6,665 (0.36%)
* Buddhist 624 (0.03%)
* Indigenous Beliefs 472 (0.03%)
* Hindu 354 (0.02%)
* Confucian 28 (0.0%)

Other regencies/cities in West Java with the largest Muslim populations are: Bogor Regency (5,404,285), Bandung Regency (3,675,094), Bekasi Regency (3,042,719), Sukabumi Regency (2,781,527), Garut Regency (2,748,061), Cianjur Regency (2,519,650), Karawang Regency (2,489,386), Cirebon Regency (2,427,129), Bandung City (2,371,057), and Bekasi City (2,232,133).