Of the province’s 18 municipalities, San Jose de Buenavista had the biggest population in 2020 with 65,140 persons. The other top four towns include Sibalom (63,833), Hamtic (52,685), Culasi (44,494) and Caluya (38,908). The combined population of these five towns accounted for 43.2% of Antique population in 2020.

Belison was the smallest municipality in terms of population size with 14,129 persons. Three other municipalities did not hit the 20 thousand population, namely Libertad (17,507), Sebaste (18,816) and Valderrama (19,971).

Caluya was the fastest growing town with an average annual population growth rate (PGR) of 1.95%. It was also the fastest growing municipality at an average growth rate of 4.13% from 2000-2010.

The second fastest growing town with an average annual population growth rate at 1.72% from 2015 to 2020 was Hamtic, followed by Culasi at 1.62%, Tibiao at 1.50% and Libertad at 1.35%.

The province has 590 barangays, of which Semirara in Caluya town, where coal mining industry is located, was the largest in terms of population in 2020 with 13,506 persons, followed by Funda-Dalipe in San Jose (7,071) and Poblacion in Patnongon (6,168).

Antique has a population density of 219 persons in every square kilometer. This is higher by 11 persons per square kilometer in 2015 with population density of 208.

San Jose as the capital town of Antique province was the densest with population density of 1,341 persons per square kilometer. It was followed by Belison and Anini-y with population densities of 697 and 450 persons per square kilometer, respectively.

The Census of Population and Housing (CPH) was undertaken by PSA in September 1, 2020 pursuant to