San Ildefonso, Bulacan

San Ildefonso
Bulak
Municipality of San Ildefonso
San Ildefonso Town Proper
Welcome Arch
Old Municipal Hall
Map of Bulacan with San Ildefonso highlighted
Interactive map of San Ildefonso
San Ildefonso
Location within the Philippines
Coordinates: 15°04′44″N 120°56′31″E / 15.07889°N 120.94194°E / 15.07889; 120.94194
CountryPhilippines
RegionCentral Luzon
ProvinceBulacan
District 3rd district
Founded1877
Named afterSaint Ildefonsus
Barangays36 (see Barangays)
Government
 • TypeSangguniang Bayan
 • MayorFernando S. Galvez Jr. (NUP)
 • Vice MayorChariz G. Cabande (NUP)
 • RepresentativeMark Cholo I. Violago (Lakas)
 • Municipal Council
Members
  • Teemee I. Miguel
  • Genaro I. Galvez
  • Alexander J. Galvez
  • Andrea Lindsay B. Duran
  • John Paul S. Magbitang
  • Krizia Jewel V. Silverio
  • Mark Anthony P. Mananghaya
  • Michael D. Angeles
 • Electorate85,054 voters (2025)
Area
 • Total
128.71 km2 (49.70 sq mi)
Elevation
19 m (62 ft)
Highest elevation
51 m (167 ft)
Lowest elevation
7 m (23 ft)
Population
 (2024 census)
 • Total
123,140
 • Density956.72/km2 (2,477.9/sq mi)
 • Households
29,301
Economy
 • Income class1st municipal income class
 • Poverty incidence
15.4
% (2021)
 • Revenue₱ 640.7 million (2022)
 • Assets₱ 1,431 million (2022)
 • Expenditure₱ 581.5 million (2022)
 • Liabilities₱ 683.9 million (2022)
Utilities
 • ElectricityMeralco
Time zoneUTC+8 (PST)
ZIP code
3010
PSGC
IDD:area code+63 (0)44
Native languagesTagalog
Kapampangan

San Ildefonso, officially the Municipality of San Ildefonso (Tagalog: Bayan ng San Ildefonso, Kapampangan: Balen ning San Ildefonso) is a municipality in the province of Bulacan, Philippines. According to the 2024 census, it has a population of 123,140 people.