<page_title> Santiago, Ilocos Sur </page_title> <section_title> Demographics </section_title> <table> <cell> 2015 <col_header> Population census of Santiago </col_header> <col_header> Year </col_header> <col_header> 1903 </col_header> <col_header> 1918 </col_header> <col_header> 1939 </col_header> <col_header> 1948 </col_header> <col_header> 1960 </col_header> <col_header> 1970 </col_header> <col_header> 1975 </col_header> <col_header> 1980 </col_header> <col_header> 1990 </col_header> <col_header> 1995 </col_header> <col_header> 2000 </col_header> <col_header> 2007 </col_header> <col_header> 2010 </col_header> </cell> <cell> 18,759 <col_header> Population census of Santiago </col_header> <col_header> Pop. </col_header> <row_header> 2015 </row_header> </cell> </table>
According to the 2015 census, Santiago has a population of 18,759 people.