History and Genealogy of Cerro Gordo County, Iowa

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220 North Washington
County Courthouse
Mason City, IA 50401-3254
Phone: (641) 421-3021

County Information

County Seat: Mason City
Year Organized: 1851
Square Miles: 575


Named after the Mexican War battlefield



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Census Data Churches Historical Info
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Website Updates:

18 Apr 2018:
Obituaries/Deaths: Death Certificate Index - July 1921-1939

Past Updates


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Surrounding Counties

Worth County (north)
Mitchell County (northeast)
Floyd County (east)
Franklin County (south)
Hancock County (west)


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