The population of the Province of Catanduanes as of August 1, 2015 was 260,964, based on the 2015 Census of Population (POPCEN 2015).
The 2015 population is higher by 14,664 compared with the population of 246,300 in 2010, and by 45,608 compared with the population of 215,356 in 2000.
The Total population of the Province of Catanduanes increased by 1.11 percent annually, on average, during the period 2010 to 2015. By comparison, the rate at which the country’s population grew during the period 2000 to 2010 was higher at 1.35 percent.
The Municipality of Virac was the fastest growing municipality with an average annual population growth rate (PGR) of 1.83 percent.
The province has 11 municipalities. Of these municipalities, Virac (Capital) was the most populous in 2015 with 73,650 persons, followed by San Andres (36,779), and Caramoran (30,056). Three other municipalities surpassed the 20,000 population mark.
Gigmoto remains to be the smallest municipality in terms of population size with 8,368 persons. The other municipality which posted a population size of less than 10,000 was the municipality of Panganiban with 9,287.
Of the province’s 315 barangays, 19 barangays indicated a total population of beyond the 2,000 mark.
The most populous barangay is San Isidro Village located in the municipality of Virac which posted 4,905. It was then followed by barangays Cavinitan, Virac with 4,514, Cabugao, Bato with 3,418, Bigaa, Virac with 3,193, Calatagan Proper, Virac with 3,075, Cabcab, San Andres with 2,912, Manambrag, San Andres with 2,792, Tubli, Caramoran with 2,760, Toytoy, Caramoran with 2,633, Mabini, Caramoran and Mayngaway, San Andres both tallied a total population of 2,415, Lictin, San Andres with 2,229, San Vicente, Virac with 2,214, Gogon Centro, Virac with 2,208, Dariao, Caramoran with 2,180, Calatagan Tibang, Virac with 2,162, Danicop, Virac with 2,074, Codon, San Andres with 2,049, and barangay Rawis, Virac tallied a total population of 2,016. The combined population of these nineteen barangays accounted for about 19.99 percent of the total provincial population in 2015.
Barangay P. Teston of the municipality of Baras was the smallest barangay in 2015, in terms of population size, with 85 persons. There were twelve other barangays which posted less than 200 mark of population count. Barangay Batohonan of the municipality of Viga were 2 population count short to breach the 200 mark with 198. It was then followed by barangays San Vicente, San Andres with 188, San Roque, San Andres with 178, Batolinao, Baras with 176, San Lorenzo, Baras with 173, Babaguan, San Miguel with167, barangays Sta. Elena, San Miguel and San Juan, Panganiban both tallied 163 population count, Sagrada, Baras with 159, Quezon, Baras with 131, Santa Isabel, Bato with 124 while San Jose, Virac posted 122 population count.
The POPCEN 2015 was undertaken by the Philippine Statistics Authority in August 2015 pursuant to Republic Act No. 10625, also known as the Philippine Statistical Act of 2013 and Executive Order No. 352 – Designation of Statistical Activities that will generate critical data for decision-making of the Government and the Private Sector, which stipulates the conduct of a mid-decade census primarily to update the population count in all barangays nationwide. Information on the count of the population was collected with 12:01 a.m. of August 1, 2015 as the census reference time and date.
His Excellency President Benigno S. Aquino III declared as official for all purposes the population counts by province, city/municipality, and barangay, based on the POPCEN 2015 under Proclamation No. 1269 dated 18 May 2016. The population counts were based on census questionnaires accomplished by about 90,000 enumerators deployed during the nationwide census taking. The successful completion of the censustaking was made possible with the support of the local and national officials, government agencies, local government units, media, private agencies, and non-government organizations.