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Ada County, ID

200 W Front St
County Courthouse
Boise, ID 83702-7300
Phone: (208)287-7000
Fax: (208)287-7009

NACo Member

County Populations

1980 1990 2000 2005

172,843 205,775 300,904 344,727

County Seat: Boise
Year Organized: 1864
Square Miles: 1,055
Size of Board: 3
MSA: Boise City-Nampa, ID Metropolitan Statistical Area

Places in Ada County

Census Bureau Quick Facts

Elected County Officials

Name Position

Fred Tilman Commissioner, Chair, District 3

Sharon Ullman Commissioner, District 1

Rick Yzaguirre Commissioner, District 2

Greg Bower Prosecuting Attorney

Erwin Sonnenberg Coroner

Gary Raney Sheriff

Cecil Ingram Treasurer

Robert McQuade Assessor

J. David Navarro Clerk

Please contact the county to get the most accurate listing.
To report any updates, deletions or additions, contact Database Updates or send a fax to NACo, Attn: Database Updates (202)393-2630.

Mailing list information on county officials is made available for sale by NACo. To find out more, click on the link below.

NACo's List Sales Information and Order Form


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