In the 2020 census, the population of Rizal, Palawan, was 56,162 people,[3] with a density of 45 inhabitants per square kilometer or 120 inhabitants per square mile.

Among the ethnic groups in Rizal are the Tao't Bato people.

These people settle in caves during the rainy season and resides at Singnapan Valley area in Barangay Ransang.

[5] Poverty incidence of Rizal Source: Philippine Statistics Authority[14][15][16][17][18][19][20][21] The charcoal-drawn petrographs of the Singnapan Valley are one of the most important ancient paintings in the country.

Due to its high significance, it was submitted by the National Commission for Culture and the Arts of the Philippines to the UNESCO Tentative List of Heritage Sites in 2006, pending its inclusion in the World Heritage List along with the Alab petroglyphs of Mountain Province, Angono Petroglyphs of Rizal province, charcoal-drawn Penablanca petrographs of Cagayan, and the Anda red hermatite print petrographs of Bohol.