<page_title> Casiguran, Aurora </page_title> <section_title> Demographics </section_title> <table> <cell> 1970 <col_header> Population census of Casiguran </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> </cell> <cell> 12,128 <col_header> Population census of Casiguran </col_header> <col_header> Pop. </col_header> <row_header> 1970 </row_header> </cell> <cell> 1975 <col_header> Population census of Casiguran </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> </cell> <cell> 11,670 <col_header> Population census of Casiguran </col_header> <col_header> Pop. </col_header> <row_header> 1975 </row_header> </cell> </table>
Between 1970 and 1975, there was a decreased in the number of population from 12,128 to 11,670.