<page_title> List of counties in Wisconsin </page_title> <section_title> List of counties </section_title> <table> <cell> Iowa County <col_header> County </col_header> <col_header> Adams County </col_header> <col_header> Ashland County </col_header> <col_header> Barron County </col_header> <col_header> Bayfield County </col_header> <col_header> Brown County </col_header> <col_header> Buffalo County </col_header> <col_header> Burnett County </col_header> <col_header> Calumet County </col_header> <col_header> Chippewa County </col_header> <col_header> Clark County </col_header> <col_header> Columbia County </col_header> <col_header> Crawford County </col_header> <col_header> Dane County </col_header> <col_header> Dodge County </col_header> <col_header> Door County </col_header> <col_header> Douglas County </col_header> <col_header> Dunn County </col_header> <col_header> Eau Claire County </col_header> <col_header> Florence County </col_header> <col_header> Fond du Lac County </col_header> <col_header> Forest County </col_header> <col_header> Grant County </col_header> <col_header> Green County </col_header> <col_header> Green Lake County </col_header> </cell> <cell> 1829 <col_header> Established </col_header> <row_header> Iowa County </row_header> </cell> <cell> Crawford County <col_header> Formed from </col_header> <row_header> Iowa County </row_header> </cell> </table>
In 1829, Iowa County was formed from Crawford County.