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Welcome to Adams County

Adams County was established by the state legislature in 1851 and named in honor of the second President of the United States, John Adams, or his son, the sixth President, John Quincy Adams (sources differ). The county was finally organized and separated from Pottawattamie County on March 12, 1853. Its original size was later reduced by the creation of Montgomery and Union counties.

The first county seat was Quincy. In 1872, it was moved to Corning.

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Courthouse Address:
500 9th Street
Corning, Iowa 50841

Main Entrance ADA Door SW Corner of Building


Mon-Fri: 8:30 am to 4:30 pm

Drivers License
Mon-Fri: 8:30 am to 4:00 pm

County Attorney
Mon-Thurs: 8:30 am to 4:30 pm Friday: 8:30 am to Noon

Veteran’s Affairs
Mon: 12:30-4:30 pm Tues,Thurs: 8:00 am to 4:30 pm, closed for lunch Noon – 12:30 pm

State Offices
Mon-Fri: 8:00 am to 4:30 pm

Law Enforcement



Assessor announces new Beacon website. Check it out here.

Road Closures

View our current job openings

New OHV Law

Crossroad Behavioral Health

24/7 Mental Health Crisis Line


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Cities of Adams County