Buchanan County, IA
History
Buchanan County was formed on December 21, 1837, from parts of Dubuque County. It was named after US Senator James Buchanan, who would later go on to be President of the United States.Source: Wikipedia
Modern Day Adjacent Counties
Clayton County (northeast)Fayette County (north)
Delaware County (east)
Linn County (southeast)
Benton County (southwest)
Black Hawk County (west)
Bremer County (northwest)