<page_title> Lockport (city), New York </page_title> <section_title> Demographics </section_title> <table> <cell> 2010 <col_header> Historical population </col_header> <col_header> Census </col_header> </cell> <cell> 21,165 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> <cell> Est. 2016 <col_header> Historical population </col_header> <col_header> Census </col_header> </cell> <cell> 20,480 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> </table>
The population of Lockport (city) was 21,165 as of the 2010 census, with an estimated population of 20,480 as of 2016.