Location & Elevation: San Antonio is one of the 43 barangays of Mexico, Pampanga, situated in Central Luzon. It lies at about 15.0637° N, 120.7253° E, roughly 7.6 m (25 ft) above sea level pag.wikipedia.org+15philatlas.com+15commons.wikimedia.org+15.
Adjacent Barangays: Shares borders with San Lorenzo, Parian (Poblacion), Santo Rosario, and San Jose Matulid pampanga.gov.ph+5philatlas.com+5whereinpampanga.com+5.
Population (2020): 5,759 residents, about 3.32% of Mexico’s total population philatlas.com.
Households (2015): 1,425 households with 5,544 people (avg. 3.89 members/household) commons.wikimedia.org+6philatlas.com+6scribd.com+6.
Age Demographics (2015):
Largest group: 15–19 years (547 individuals, ~9.9%)
Median age: 27.4 years
Dependency ratio: Youth ~39.2%, Elderly ~8.4%, Total ~47.5% commons.wikimedia.orgphilatlas.com.
Growth from 3,916 (1990) to 5,759 (2020).
Recent growth: +0.80% annual (2015–2020), adding 215 residents philatlas.com.
Barangay Hall and Covered Court are situated along San Antonio Barangay Road, adjacent to the San Antonio Church philippines-streets.openalfa.com+4mapcarta.com+4philippines-streets.openalfa.com+4.
San Antonio Elementary School and St. Joseph’s Academy provide primary and secondary education philippines-streets.openalfa.com.
Other services include a day‑care center, health clinics, Porac Bank, Top Pizza, automotive shops, and churches (Roman Catholic and Evangelical) philippines-streets.openalfa.com+1pampanga.gov.ph+1.
San Antonio Barangay Road links to Jose Abad Santos Avenue, offering easy access to Mexico town center and neighboring municipalities philippines-streets.openalfa.com+3philippines-streets.openalfa.com+3philippines-streets.openalfa.com+3.
Nearby Mexico electrical substation and Porac Bank branch ensure utility and financial services access whereinpampanga.com+1pag.wikipedia.org+1.
Local establishments along the main street include AJ & Carl convenience store, EDU Hardware, Mangahan Swimming Pool, and various clinics and dining spots philippines-streets.openalfa.com.