San Juan, La Union

San Juan
Municipality of San Juan
San Juan Surftown, Municipal Hall & St. John the Baptist Parish Church
Nickname: 
Surfing Capital of the North
Map of La Union with San Juan highlighted
Interactive map of San Juan
San Juan
Location within the Philippines
Coordinates: 16°40′N 120°20′E / 16.67°N 120.33°E / 16.67; 120.33
CountryPhilippines
RegionIlocos Region
ProvinceLa Union
District 1st district
Named afterSt. John the Baptist
Barangays41 (see Barangays)
Government
 • TypeSangguniang Bayan
 • MayorMariquita P. Ortega
 • Vice MayorArturo P. Valdriz
 • RepresentativeFrancisco Paolo P. Ortega V
 • Municipal Council
Members
  • Mitos Magsaysay
  • Kyle F. Carpio
  • Arnel Peralta
  • Louie Fontanilla
  • Norma B. Lim
  • Athena Lopez Nang
  • Eusebio Lim
  • Aldrick G. Carillo
 • Electorate27,857 voters (2025)
Area
 • Total
57.12 km2 (22.05 sq mi)
Elevation
25 m (82 ft)
Highest elevation
312 m (1,024 ft)
Lowest elevation
0 m (0 ft)
Population
 (2024 census)
 • Total
41,319
 • Density723.4/km2 (1,874/sq mi)
 • Households
10,080
Economy
 • Income class2nd municipal income class
 • Poverty incidence
7.31
% (2021)
 • Revenue₱ 343.1 million (2022)
 • Assets₱ 1,033 million (2022)
 • Expenditure₱ 203.4 million (2022)
 • Liabilities₱ 108.1 million (2022)
Service provider
 • ElectricityLa Union Electric Cooperative (LUELCO)
Time zoneUTC+8 (PST)
ZIP code
2514
PSGC
IDD:area code+63 (0)72
Native languagesIlocano
Tagalog
Websitewww.sanjuanlaunion.gov.ph

San Juan, officially the Municipality of San Juan (Ilocano: Ili ti San Juan; Filipino: Bayan ng San Juan), is a coastal municipality in the province of La Union, Philippines. According to the 2024 census, it has a population of 41,319 people.

It is known as the Surfing Capital of the North.