78.9% of Central Sulawesi's population was Muslim in June 2021.

Based on data from the Directorate General of Population and Civil Registration (Dukcapil) of the Ministry of Home Affairs, the population of Central Sulawesi who practice Islam numbered 2.39 million in June 2021. This figure accounts for 78.9% of the total population of Central Sulawesi, which was 3.03 million.

495,020 people, or 16.31% of Central Sulawesi's population, practice Christianity. Furthermore, 110,450 people, or 3.64% of the province's population, are Hindu.

There are also 27,220 people, or 0.9% of Central Sulawesi's population, who practice Catholicism. 4,240 people, or 0.14% of Central Sulawesi's population, practice Buddhism.

The population of Central Sulawesi who practice Confucianism numbers 26 people, or 0.0011%. Meanwhile, 3,300 people in the province adhere to indigenous beliefs.

Based on gender, 1.56 million people, or 51.34% of the population of Central Sulawesi, are male. Meanwhile, 1.48 million people, or 48.66% of the province's population, are female.

According to marital status, there are 1.47 million people, or 48.58% of Central Sulawesi's population, who are unmarried. There are also 1.42 million people, or 46.8% of the province's population, who are married.

33,780 people, or 1.11% of Central Sulawesi's population, are divorced. Meanwhile, 106,280 people, or 3.5% of the province's population, are widowed.

Central Sulawesi is one of the provinces in Sulawesi with a land area of 61,841 square kilometers (km) and a population density of 49 people/km². Administratively, the province, whose capital is Palu, is divided into 12 regencies and 1 city, comprising 175 districts, 1,842 villages, and 175 urban villages.