San Antonio, Nueva Ecija

San Antonio
Delinquente
Municipality of San Antonio
Welcome arch
Map of Nueva Ecija with San Antonio highlighted
Interactive map of San Antonio
San Antonio
Location within the Philippines
Coordinates: 15°18′28″N 120°51′12″E / 15.3078°N 120.8533°E / 15.3078; 120.8533
CountryPhilippines
RegionCentral Luzon
ProvinceNueva Ecija
District 4th district
Named afterSt. Anthony the Abbot
Barangays16 (see Barangays)
Government
 • TypeSangguniang Bayan
 • MayorArvin C. Salonga
 • Vice MayorJulieta E. Maxwell
 • RepresentativeEmerson D. Pascual
 • Municipal Council
Members
  • Roberto S. Carpio
  • Manolito C. Balcos
  • Daniel Pamintuan
  • Renier M. Umali
  • Christopher G. Cunanan
  • Eduardo Ostares
  • RC Cruz
  • Roy V. Juliano
 • Electorate57,151 voters (2025)
Area
 • Total
153.56 km2 (59.29 sq mi)
Elevation
17 m (56 ft)
Highest elevation
32 m (105 ft)
Lowest elevation
10 m (33 ft)
Population
 (2024 census)
 • Total
84,958
 • Density553.26/km2 (1,432.9/sq mi)
 • Households
20,527
Economy
 • Income class1st municipal income class
 • Poverty incidence
14.75
% (2021)
 • Revenue₱ 347.9 million (2022)
 • Assets₱ 1,176 million (2022)
 • Expenditure₱ 316.7 million (2022)
 • Liabilities₱ 762.6 million (2022)
Service provider
 • ElectricityNueva Ecija 1 Electric Cooperative (NEECO 1)
Time zoneUTC+8 (PST)
ZIP code
3108
PSGC
IDD:area code+63 (0)44
Native languagesKapampangan
Tagalog
Ilocano
Websitewww.sanantonio.gov.ph

San Antonio, officially the Municipality of San Antonio (Tagalog: Bayan ng San Antonio, Kapampangan: Balen ning San Antonio), is a municipality in the province of Nueva Ecija, Philippines. According to the 2024 census, it has a population of 84,958 people.

It is bounded by the towns of Jaen to its eastern side; Zaragosa to the north; Cabiao and San Isidro, and Concepcion in the Province of Tarlac to its west.