99.1% of the population in Sungai Penuh City is Muslim.

The Muslim population in Sungai Penuh City, as of December 31, 2023, was recorded at 100,290. This represents an increase of 927 individuals compared to the previous year's reported figure of 99,361.

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 99.1 percent of the total population in 2023, which numbered 101,220.

Considering the distribution across Jambi's districts/cities, the proportion of Muslims in Sungai Penuh City ranks 11th.

The following is a list of Jambi's population by religion in 2023:
* Islam: 100,288 (99.08%)
* Protestant: 655 (0.65%)
* Catholic: 177 (0.17%)
* Buddhist: 95 (0.09%)
* Hindu: 1 (0.0%)
* Confucian: 0 (0.0%)
* Indigenous Beliefs: 0 (0.0%)

Compared to other regions in Jambi, the number of Muslims in this regency/city ranks 11th.

Other regions with the highest number of Muslims are: Jambi City (557,775), Muaro Jambi Regency (418,003), Merangin Regency (379,978), Bungo Regency (362,010), Tebo Regency (349,107), West Tanjung Jabung Regency (309,005), Batang Hari Regency (300,273), Sarolangun Regency (294,838), Kerinci Regency (266,584), and East Tanjung Jabung Regency (236,892).