Barangay Liangan

Barangay Liangan is a small barangay in the municipality of Nunungan, located in the province of Lanao Del Norte, in the Northern Mindanao region of the Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Liangan had a population of 589. This made it the 20th largest of 25 barangays in Nunungan by population, placing it among the smaller barangays of the municipality. Residents of Barangay Liangan accounted for approximately 3.13% of the total population of Nunungan, which stood at 18,827 in the same census year.

The barangay recorded 555 residents in the 2015 intercensal count and 589 residents in the 2020 Census — a net change of +6.1%, consistent with a growing settlement. The Philippine Statistics Authority classifies Barangay Liangan as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Nunungan is a municipality comprising 25 barangays, and serves as the governing unit directly responsible for local services in Barangay Liangan, including public health, sanitation, peace and order, and civil registration. Within the wider province of Lanao Del Norte, which contains 506 barangays across its component cities and municipalities, Barangay Liangan ranks 410th by 2020 population. Lanao Del Norte is classified as a 2nd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay Liangan 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.