The population of Sarangani in the 2020 census was 558,946 people, with a density of .
Religion Christianity is the majority religion in the province with a total of 79% (48%
Roman Catholicism Ethnic groups Sarangani has a huge ethnic diversity, such as
Lumads, consisting of
Blaan,
T'boli,
Tagakaulo,
Kalagan,
Manobo,
Ubo,
Moro Muslims, and Christian settlers, mainly from
Cebu,
Bohol,
Siquijor,
Negros and
Panay in
Visayas and
Ilocandia and
Cagayan Valley in
Luzon Muslims comprise 7 ethnic groups, Lumads 17 ethnic groups, and Christian migrant settlers, at least 20 ethnic groups. The Blaan people are the largest minority and are spread across the municipalities of
Malapatan,
Glan,
Alabel,
Maasim, and
Malungon. Most of Blaan people lives in Malapatan, constituting 37% of the municipality's population. Other ethnic groups, such as the
Maguindanao people reside in the municipalities of Malapatan,
Maitum, and Maasim, the T'boli people mostly reside in Maitum,
Kiamba, and Maasim, while the Tagakaulo people is almost entirely in
Malungon.
Cebuano settlers are found in Glan and Alabel,
Ilonggo (Hiligaynon) are located in Malungon, while
Ilocano mostly live in Kiamba and Maitum. Thus, the mixed population of Sarangani is quite diverse, with the language of the Christian settlers being used commonly by both Moro Muslims and natives, consisting of the Blaan and
Cebuano-speaking Muslims on the east coast, the Tboli, Manobo, and
Ilocano-speaking Muslims on the west coast, and the
Ilonggo-speaking Blaan and Tagakaulo peoples of the northern highlands. ==Economy==