<page_title> Philadelphia </page_title> <section_title> Demographics </section_title> <table> <cell> 1950 <col_header> Historical population </col_header> <col_header> Year </col_header> <col_header> 1683 </col_header> <col_header> 1731 </col_header> <col_header> 1790 </col_header> <col_header> 1800 </col_header> <col_header> 1810 </col_header> <col_header> 1820 </col_header> <col_header> 1830 </col_header> <col_header> 1840 </col_header> <col_header> 1850 </col_header> <col_header> 1860 </col_header> <col_header> 1870 </col_header> <col_header> 1880 </col_header> <col_header> 1890 </col_header> <col_header> 1900 </col_header> <col_header> 1910 </col_header> <col_header> 1920 </col_header> <col_header> 1930 </col_header> <col_header> 1940 </col_header> </cell> <cell> 2,071,605 <col_header> Historical population </col_header> <col_header> Pop. </col_header> <row_header> 1950 </row_header> </cell> <cell> 2,002,512 <col_header> Historical population </col_header> <col_header> Pop. </col_header> <row_header> 1960 </row_header> </cell> <cell> −3.3% <col_header> Historical population </col_header> <col_header> ±% </col_header> <row_header> 1960 </row_header> </cell> </table>
After the 1950 Census in which a record high of 2,071,605 was recorded, the Philadelphia's population began declining.