<page_title> Armstrong County, Pennsylvania </page_title> <section_title> Population ranking </section_title> <table> <cell> Parker <col_header> City/Town/etc. </col_header> </cell> <cell> City <col_header> Municipal type </col_header> </cell> <cell> 1873 <col_header> Incorporated </col_header> </cell> </table>
Armstrong County is home to the City of Parker, incorporated in 1873.