San Ildefonso, Bulacan

San Ildefonso
Bulak
Municipality of San Ildefonso
Welcome Arch
Map of Bulacan with San Ildefonso highlighted
OpenStreetMap
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-CMD)
  Municipal Council
Members
  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
 (2020 census)
  Total
115,713
  Density900/km2 (2,300/sq mi)
  Households
29,301
Economy
  Income class1st municipal income class
  Poverty incidence
15.40
% (2021)
  Revenue640.7 million (2022)
  Assets1,431 million (2022)
  Expenditure581.5 million (2022)
  Liabilities683.9 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) is a municipality in the province of Bulacan, Philippines. According to the 2020 census, it has a population of 115,713 people.