Say Balaoan et unaan ya klase ya baley ed luyag na La Union, Filipinas. Unong ed 1 Mayo 2020 census, say populasyon to et 40,339 totoo tan 10,204 abong. Walay kabaleg tan sukat to ya 68.70 sq. km. Say zip code to et 2517.
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Census of Population (2015). "Region I (Ilocos Region)". Total Population by Province, City, Municipality and Barangay. PSA. Retrieved 29 June 2016.
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Census of Population and Housing (2010). "Region I (Ilocos Region)". Total Population by Province, City, Municipality and Barangay. NSO. Retrieved 29 June 2016.