Suyo, officially the Municipality of Suyo (Ilocano: Ili ti Suyo; Filipino: Bayan ng Suyo), is a 4th class municipality in the province of Ilocos Sur, Philippines. According to the 2020 census, it has a population of 10,766 people.

Suyo is 101 kilometres (63 mi) from the provincial capital Vigan and 333 kilometres (207 mi) from Manila.

Geography

Barangays

Suyo is politically subdivided into 8 barangays.  Each barangay consists of puroks and some have sitios.

• Baringcucurong
• Cabugao
• Man-atong
• Patoc-ao
• Poblacion (Kimpusa)
• Suyo Proper
• Urzadan
• Uso

Climate

Demographics

Population census of Suyo

Year Pop. ±% p.a. 1903 17 —     1918 1,842 +36.66% 1939 3,750 +3.44% 1948 3,012 −2.41% 1960 4,704 +3.78%	Year Pop. ±% p.a. 1970 5,355 +1.30% 1975 6,163 +2.86% 1980 6,454 +0.93% 1990 7,950 +2.11% 1995 8,870 +2.07%	Year Pop. ±% p.a. 2000 9,685 +1.90% 2007 11,826 +2.79% 2010 10,622 −3.83% 2015 11,446 +1.43% 2020 10,766 −1.20%
Source: Philippine Statistics Authority

In the 2020 census, Suyo had a population of 10,766. The population density was 87 inhabitants per square kilometre (230/sq mi).

Economy

Poverty incidence of Suyo

10 20 30 40 2006 39.80 2009 24.43 2012 24.67 2015 14.59 2018 7.88 2021 34.22 Source: Philippine Statistics Authority

Government

Local government

Suyo, belonging to the second congressional district of the province of Ilocos Sur, is governed by a mayor designated as its local chief executive and by a municipal council as its legislative body in accordance with the Local Government Code. The mayor, vice mayor, and the councilors are elected directly by the people through an election which is being held every three years.

Elected officials

Members of the Municipal Council
(2019–2022)

Position	Name
Congressman	Kristine Singson-Meehan
Mayor	Mario B. Subagan
Vice-Mayor	Samuel B. Subagan Jr.
Councilors	Renato Ngangac
	Philip Bistoyong
	Reginald Orpilla
	Norberto Licnad
	Nestor Arcinas
	Alejandro Ballada
	Timoteo Abalos
	Orlando Aglibot