Barangay San Martin

Barangay San Martin forms part of Villanueva, a municipality in Misamis Oriental, and is classified as a large barangay.

According to the 2020 Philippine census, Barangay San Martin had a population of 7,326. This made it the 2nd largest of 11 barangays in Villanueva by population, placing it among the most populous barangays of the municipality. Residents of Barangay San Martin accounted for approximately 18.13% of the total population of Villanueva, which stood at 40,419 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay San Martin changed from 6,924 to 7,326, a shift of +5.8% over the five-year period. This places the barangay among those with growing populations in Villanueva. Barangay San Martin is officially classified as urban, reflecting the density and built-up character of the area.

Villanueva is a municipality comprising 11 barangays, and serves as the governing unit directly responsible for local services in Barangay San Martin, including public health, sanitation, peace and order, and civil registration. Within the wider province of Misamis Oriental, which contains 504 barangays across its component cities and municipalities, Barangay San Martin ranks 18th by 2020 population. Misamis Oriental is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay San Martin is governed by an elected Sangguniang Barangay composed of a Punong Barangay and seven kagawads, with the Sangguniang Kabataan representing the youth. The next BSKE, set for Monday, November 2, 2026, will elect officials to four-year terms as provided under Republic Act No. 12232.