Barangay Mayunoc

Situated in San Joaquin, Iloilo, Barangay Mayunoc is one of 85 barangays that make up the municipality within Western Visayas.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Mayunoc had a population of 298. This made it the 64th largest of 85 barangays in San Joaquin by population, placing it among the smaller barangays of the municipality. Residents of Barangay Mayunoc accounted for approximately 0.57% of the total population of San Joaquin, which stood at 52,617 in the same census year.

The barangay recorded 289 residents in the 2015 intercensal count and 298 residents in the 2020 Census — a net change of +3.1%, consistent with a growing settlement. The Philippine Statistics Authority classifies Barangay Mayunoc as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Joaquin is a municipality comprising 85 barangays, and serves as the governing unit directly responsible for local services in Barangay Mayunoc, including public health, sanitation, peace and order, and civil registration. Within the wider province of Iloilo, which contains 1,901 barangays across its component cities and municipalities, Barangay Mayunoc ranks 1568th by 2020 population. Iloilo is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay Mayunoc is led by an elected Punong Barangay (barangay captain) supported by seven Sangguniang Barangay members (kagawads), an SK Chairperson, a Barangay Secretary, and a Barangay Treasurer. The next Barangay and Sangguniang Kabataan Elections (BSKE) are scheduled for Monday, November 2, 2026, with officials serving four-year terms under Republic Act No. 12232.