The demography of Aroroy, Masbate reflects the characteristics of a growing first-class municipality in the Bicol Region. As of the 2020 census, Aroroy has a population of a little over 88,000 people, spread across its coastal and inland barangays. The majority of residents are of Bicolano descent, with Masbateño (a Visayan language closely related to Hiligaynon and Cebuano) widely spoken, while Filipino and English are also used, especially in schools and government offices.

The population is largely youthful, with a significant portion belonging to the working-age group, supporting the town’s economy through agriculture, fishing, trade, and mining. Many families rely on both farming and fishing, reflecting the town’s dual coastal and agricultural character, while others are employed in the mining industry, which has historically shaped Aroroy’s identity as the "Gold Capital of Masbate."

Religious life is predominantly Roman Catholic, with fiestas, patronal feasts, and Holy Week traditions being central to community life. Smaller groups of other Christian denominations are also present. The people of Aroroy are known for their close-knit communities, resilience, and hospitality, contributing to the vibrant cultural fabric of the municipality.