Location & Classification: San Nicolas 1st, formerly just Poblacion, is one of Lubao’s 44 barangays and lies in the urban core along Jose Abad Santos Avenue. philippines.worldplaces.me+15philatlas.com+15commons.wikimedia.org+15
Coordinates & Elevation: Approximately 14.9429° N, 120.5997° E, with an elevation around 8 m (26 ft) above sea level. philippines.worldplaces.me+6philatlas.com+6mapcarta.com+6
Adjacent Barangays: Includes San Antonio (Sasmuan), Santa Lucia (Sasmuan), San Agustin, San Nicolas 2nd, Concepcion, San Juan, and Santa Catalina. mapcarta.com+4philatlas.com+4mapcarta.com+4
Population (2020): 3,242 residents, accounting for about 1.87 % of Lubao’s population. commons.wikimedia.org+10philatlas.com+10mapcarta.com+10
Households (2015): 630 households, averaging 4.70 members (household population: 2,958). philatlas.com
Population Growth (1990–2020): Grew from 2,315 in 1990 to 3,242 in 2020; with a moderate annual growth rate of +1.95 % from 2015 to 2020.
Largest Age Group: 5–9 years – 290 individuals (9.8 %)
Smallest Age Groups: 75–79 & 80+ – 36 individuals each (1.22 %) philatlas.com
Dependency Ratios & Median Age:
Youth: 41.84
Old-age: 10.4
Total: 52.24
Median Age: 27.7 years philippines.worldplaces.me+14philatlas.com+14mapcarta.com+14
San Agustin Parish Church (Lubao Church): A 17th‑century Augustinian Roman Catholic church built 1614–1638; officially listed as an Important Cultural Property. Located within the barangay. philippines-streets.openalfa.com+8en.wikipedia.org+8reddit.com+8
Barangay Hall & Chapel: Centrally located and close to the covered court and health center. philippines-streets.openalfa.com+3mapcarta.com+3mapcarta.com+3
Educational Facilities: Home to Lubao Institute (primary to secondary school) and Holy Rosary Academy.
Health Services: San Nicolas 1st Barangay Health Center offers primary health care services nearby the hall. en.wikipedia.org+15mapcarta.com+15philatlas.com+15
Sports Venues: Covered courts for barangay and high school athletic events in close proximity. philippines-streets.openalfa.com+3philippines-streets.openalfa.com+3mapcarta.com+3
Nearby Civic Sites: Jose B. Lingad Park and Museum and its historical marker lie within walking distance. philippines-streets.openalfa.com+5mapcarta.com+5mapcarta.com+5
Other Services: A cluster of educational centers, clinics, pharmacies, banks, and shops line San Nicolas 1st Road. commons.wikimedia.org+10philippines-streets.openalfa.com+10philippines-streets.openalfa.com+10
Barangay San Nicolas 1st is a vibrant, historic urban community in Lubao, characterized by a growing yet stable population structure, comprehensive public services, and rich cultural heritage centered around the centuries‑old San Agustin Church. The barangay balances civic facilities, education, and heritage, making it a key part of Lubao's municipal core.