Barangay Bgy. No. 30-B, Santa Maria

Classified as a small barangay, Barangay Bgy. No. 30-B, Santa Maria is one of the administrative divisions of City of Laoag in Ilocos Norte, Ilocos Region, Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Bgy. No. 30-B, Santa Maria had a population of 1,571. This made it the 24th largest of 80 barangays in City of Laoag by population, placing it in the upper half of the city. Residents of Barangay Bgy. No. 30-B, Santa Maria accounted for approximately 1.41% of the total population of City of Laoag, which stood at 111,651 in the same census year.

The barangay recorded 1,516 residents in the 2015 intercensal count and 1,571 residents in the 2020 Census — a net change of +3.6%, consistent with a growing settlement. The Philippine Statistics Authority classifies Barangay Bgy. No. 30-B, Santa Maria as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

City of Laoag is a city comprising 80 barangays, and serves as the governing unit directly responsible for local services in Barangay Bgy. No. 30-B, Santa Maria, including public health, sanitation, peace and order, and civil registration. Within the wider province of Ilocos Norte, which contains 559 barangays across its component cities and municipalities, Barangay Bgy. No. 30-B, Santa Maria ranks 90th by 2020 population. Ilocos Norte is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Bgy. No. 30-B, Santa Maria 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.