− | <includeonly>1820 U.S. census, Population schedule, {{{county|}}}, {{{state|}}}, {{{city|}}}, p. {{{page|}}}, line {{{line|}}}, [[{{{Item_of_Interest}}}]]; image, <!-- | + | <includeonly>1820 U.S. census, Population schedule, {{{county|}}}, {{{state|}}}, {{{city|}}}, p. {{{page|}}}, line {{{line|}}}, [[{{#if:{{{Item_of_Interest|}}}|{{{Item_of_Interest|}}}|{{{1|}}}]]; image, <!-- |