Davao Occidental is the 81st province by virtue of RA 10360 Davao Occidental is the 81st and newest province by virtue of Republic Act No. 10360 known as “Charter of the Province of Davao Occidental” enacted on July 23, 2013. The new province was carved out from the southern part of Davao del Sur, consisting of the municipalities of Santa Maria, Malita, Don Marcelino, Jose Abad Santos and Sarangani. Total population went up by 22 thousand persons As of 1 August 2015, Davao Occidental had a total population of 316,342 based on the results of the 2015 Census of Population. The province comprised of 6.46 percent of Davao Region’s total population. The 2015 population of Davao Occidental is higher by 22,562 compared with the population of 293,780 in 2010. Based on the results of the 2000 Census of Population and Housing, the total population of the province was 254,512. Highlights of the Population of Davao Occidental (Based on the Results of 2015 Census of Population).