<page_title> Janesville, Iowa </page_title> <section_title> Demographics </section_title> <table> <cell> 1950 <col_header> Historical populations </col_header> <col_header> Year </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> 445 <col_header> Historical populations </col_header> <col_header> Pop. </col_header> <row_header> 1950 </row_header> </cell> </table>
Janesville´s population was 445 in 1950.