Dubuque County is named for Julien Dubuque, who was a French Canadian and the first European settler of Iowa.
Surrounding County Courthouses:
N – Clayton County and Grant County, Wisconsin
E – Grant County, Wisconsin and Jo Daviess County, Illinois
S – Jackson County and Jones County
W – Delaware County
Created: September 6, 1834 
County Seat:
Dubuque 1834 – present
County Courthouse – Dubuque
Location: 720 Central Avenue / East 7th Street
Built: 1891 – 1892
Style: Early Victorian, Renaissance, Romanesque and Beaux Arts
Architect: Fridolin Heer & Son of Dubuque
Contractor: Albert Ney of Dubuque
Description: The building faces faces west and is a four story red colored brick and Bedford limestone structure. The building is located on landscaped grounds in the center of Dubuque. The west portico has two small arches on the first story with steps up to the second story entrance with balcony supported by four columns. The central section rises to a pediment at the roof. The building corners are trimmed with limestone which also faces the second story. The first story is course stone. On the center of the roof is a high square brick tower with cupola having a gold dome with the Statue of Justice at the top. In the interior is wood trim and a grand staircase. The building houses the County District Court of the 1A Judicial District. The building was renovated in 1975 and 1983. The contract manager was Walter J Holl and Abid Asid Ibd.On the north side of the building is the Old Jail built in 1858.
See: National Register of Historic Places – Dubuque County Courthouse / Old County Jail
See: The 1A Judicial District includes Allamakee County, Clayton County, Delaware County and Winneshiek County.
History: The county was created in 1834 and Dubuque was selected as the county seat. The first courthouse was a log structure built in 1838. The second courthouse was a brick structure built in 1843. The third and present courthouse was constructed in 1891 to 1892.
County Courthouse – Dubuque
Old County Jail – Dubuque
Photos taken 2008 and 2010