81.9% of the population in Parigi Moutong Regency is Muslim.

The Muslim population in Parigi Moutong Regency, as of December 31, 2023, was recorded at 374,260 people. This is an increase of 3,320 individuals compared to the previous year, which reported 370,940 people.

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 81.9 percent of the total population in 2023, which amounted to 457,030 people.

Considering the distribution across the total population of each regency/city in Central Sulawesi, the Muslim population in Parigi Moutong Regency is among the highest.

The following is a list of the population in Central Sulawesi by religion in 2023:

* Islam: 374,258 (81.89%)
* Hindu: 42,734 (9.35%)
* Protestant: 37,709 (8.25%)
* Catholic: 2,235 (0.49%)
* Buddhist: 95 (0.02%)
* Confucian: 0 (0.0%)
* Indigenous Beliefs: 0 (0.0%)

Compared to other regions in Central Sulawesi, this regency/city's Muslim population is among the top.

Other regions with the top 10 highest numbers of Muslims in Central Sulawesi province are: Palu City (341,321), Banggai Regency (289,040), Donggala Regency (282,953), Toli Toli Regency (222,674), Sigi Regency (182,488), Morowali Regency (170,089), Tojo Una Una Regency (158,108), Buol Regency (150,877), Poso Regency (99,317), and North Morowali Regency (79,652).