Dubuque is the county seat of Dubuque County, Iowa, United States, located along the Mississippi River. At the time of the 2020 census, the population of Dubuque was 59,667.
The Dubuque County Courthouse is located on Central Avenue, between 7th and 8th Streets, in Dubuque, Iowa, United States. The current structure was built from 1891 to 1893 to replace an earlier building. These are believed to be the only two structures to house the county courts and administrative offices.
The Dubuque County Jail is a historic building at 36 East 8th Street in Dubuque, Iowa, United States. Completed in 1858, the jail is an example of the uncommon Egyptian Revival style. It is architecturally a highly original work of John F. Rague, who also designed the 1837 Old Capitol of Illinois and the 1840 Territorial Capitol of Iowa. The building was designated a National Historic Landmark for its architecture in 1987. It served as a jail for more than a century, became a museum in 1975, and was converted into county offices in 2016.
The Langworthy House, also known as the Octagon House, is an historic building located in Dubuque, Iowa, United States. Built in 1856, it was designed by local architect John F. Rague for local politician Edward Langworthy. The two-story brick home features tall windows, a columned entry, and a windowed cupola. Langworthy and three of his brothers were among the first settlers in Dubuque. They were partners in a lead mine, helped to build the territorial road between Dubuque and Iowa City, they farmed, invested in real estate, and they owned a steamboat and a mercantile exchange. The house has been passed down through Langworthy's descendants. It was individually listed on the National Register of Historic Places in 1975, and it was included as a contributing property in the Langworthy Historic District in 2004.
This is a list of the National Register of Historic Places listings in Dubuque County, Iowa.
St. Joseph's Roman Catholic Church is a former parish church of the Archdiocese of Dubuque located in Stone City, Iowa, United States. Catholics in Stone City were initially served by priests from Cedar Rapids and Anamosa. Mass was celebrated in parishioner's homes until 1881 when permission was granted to use a large hall in Stone City. The parish was established in 1901 and the cornerstone for the church building was laid in 1913. It was completed later the same year. The church was designed by Dubuque, Iowa architect Guido Beck. The stained glass windows of the church were imported from Germany. The limestone used for the building was donated by city quarries. Otto Braun served as the contractor, and the labor to construct the church was also donated by local quarry businesses. The lower level of the building houses the parish hall. The rear of the church can be seen anchoring the left side of Grant Wood's painting Stone City (1930). The parish started to lose parishioners in the 1920s when the stone quarries started to decline. Its size increased again in the 1950s before economic factors once again caused it to decline. The archdiocese closed the parish in 1992, and church building became an oratory.
The Round Barn, Dubuque Township is a historic building located in Dubuque Township in Dubuque County, Iowa, United States. It was built in 1915 as a dairy barn. The building is a true round barn that measures 60 feet (18 m) in diameter. The structure is constructed in clay tile from the Johnston Brothers' Clay Works and it features a windowed cupola and dormers on the north and west sides.
The Bishop's Block, also known as the Bishop's Block Apartments, is an historic building located in Dubuque, Iowa, United States. It was individually listed on the National Register of Historic Places in 1994. It was included as a contributing property in the Old Main Street Historic District in 2015.
The Dunleith and Dubuque Bridge, also known as the White Water Creek Bridge and the Bergfeld Recreation Area Bridge, is a historic structure located in Dubuque, Iowa, United States. This span was part of a seven-span approach to one of the first bridges constructed over the Mississippi River. It was part of a railroad bridge that connected Dubuque with Dunleith, Illinois, now known as East Dubuque. The bridge was fabricated by the Keystone Bridge Company of Pittsburgh, Pennsylvania. Andrew Carnegie himself traveled to Dubuque to advocate for his company to build the bridge. The bridge was erected by Reynolds, Saulpaugh and Company of Rock Island, Illinois. The approach, of which this iron truss was a part, was completed in 1872. It was used by the Illinois Central and other railroads.
The Western Hotel, also known as the Pin Oak Tavern, is a historic building located southeast of Holy Cross, Iowa, United States. John H. Floyd settled in Dubuque County in the early 1830s. He was appointed postmaster in the 1840s, and he had this building built for his home and as the Pin Oak Post Office. It is a rare example of a frame saltbox-style building in Iowa. Its foundation is of undressed native limestone. The house was located along a popular route to and from the city of Dubuque and it became known as hospitable place for good food, drink, and rest. It was called the Western Hotel for a time because they had acquired a sign from a same-named place in Dubuque. The building was listed on the National Register of Historic Places in 1976.
The Ora Holland House, also known as the Holland-Viner House, is a historic building located in Dubuque, Iowa, United States. Holland was a contractor-builder who came to Dubuque from Vermont in 1846 by way of Jacksonville, Illinois where he learned his trade. He built his house over a period of two years because of other projects he was involved with, completing construction in 1857. Holland acquired the property from the Langworthy brothers, who were the first prominent citizens of Dubuque to settle above the bluff. The two-story brick residence is reminiscent of the Federal style. The entry, heavy window cornices and parapets reflect the Greek Revival style. The house was listed on the National Register of Historic Places in 1986.
The Garland House is a historic building located in Dubuque, Iowa, United States. Joseph C. Garland settled in Dubuque in 1889 and built a general insurance agency that grew to cover 25 counties in Iowa representing the Northwestern Mutual Life Insurance Company. He was also a community booster and philanthropist. The exterior of his large Georgian Revival home is covered with concrete block veneer, which is an unusual combination. The main facade is dominated by a two-story pedimented portico, the east elevation by a centered semicircular vault dormer, and the rear elevation by a two-story veranda. The house is capped with a hip roof with dormers. It was individually listed on the National Register of Historic Places in 1983, and it was included as a contributing property in the Langworthy Historic District in 2004.
The Interstate Power Company Building, also known as the Masonic Hall and the Dubuque Electric Company, is a historic building located in Dubuque, Iowa, United States. While a single facility, this is actually two buildings: an 1894 three-story Queen Anne, and a 1956 three-story Modern Movement free-standing addition. The Dubuque Electric Company moved into the older building in 1924, and the following year it was reorganized as Interstate Power Company. This became the headquarters of a regional electrical utility that, at one time, served parts of eight states and a Canadian province. The Great Depression and antitrust court rulings altered the company's fortunes. The 1956 addition was designed to hold the companies large computers in an air-conditioned environment, in addition to office space. Other additions to the building were made in 1962, 1981 and 1989. The facility remained Interstate's corporate headquarters until Alliant Energy bought and absorbed the company in 1996. Alliant continued to use the building for a period of time afterward. It was included as a contributing property in the Upper Main Street Historic District in 2005, and it was individually listed on the National Register of Historic Places in 2008.
The Dubuque Casket Company is a historic building located in Dubuque, Iowa, United States. The city was a leading national market in the production of caskets towards the end of the 19th century. This location had been the site of a casket manufacturing plant from 1877 to 1987. The Dubuque Furniture and Burial Case Company was the first firm in Dubuque and the first to locate here. The building was largely destroyed by fire in 1883 and the company was forced out of business. The Dubuque Casket Company was incorporated in 1893 and acquired this property. They started construction of the first part of this building the same year. The four-story brick Neoclassical building was one of the largest manufacturing facilities in Dubuque. The machine and equipment room was located on the first floor, they manufactured fine cloth covered caskets on the second floor, they manufactured undertaker's dry goods on the third floor, and the fourth floor was used for storage. The first addition, now known as the center section was begun in 1903, and another expansion that also unified the main facade was begun in 1911. Two other Dubuque casket manufacturers, Iowa Coffin Company and the Hawkeye Casket Company, were out of business by 1924.
Old Main Street Historic District is a nationally recognized historic district located in Dubuque, Iowa, United States. It was listed on the National Register of Historic Places in 1983. At the time of its nomination it consisted of 33 resources, which included 30 contributing buildings and three non-contributing buildings. In 2015 the boundaries were increased to include five more buildings. Four of the buildings are contributing properties that were excluded from the original district because they were slated to be torn down as a part of the expansion of U.S. Route 61. While the highway was built the buildings were spared. The fifth building is non-contributing as are three structures.
Washington Residential Historic District is a nationally recognized historic district located in Dubuque, Iowa, United States. It was listed on the National Register of Historic Places in 2015. At the time of its nomination it consisted of 327 resources, which included 262 contributing buildings, 61 non-contributing buildings, and two non-contributing objects. This is one of the early residential areas of Dubuque, and was home to its German community. It also defines the "walkable city" with commercial, industrial, and institutional buildings located here. There are a number of churches in the district from various denominations. Of particular interest are St. Mary's Catholic Church (1866), St. John's Lutheran Church (1880), and St. Matthew's Lutheran Church (1908). A significant number of the buildings were constructed in brick, and the vast majority of the buildings in the district were built by 1891. Vernacular structures are commonplace here, as are various Victorian styles. Hollenfelz House (1891) and the Dubuque Casket Company building (1894) are individually listed on the National Register. The former St. Mary's Catholic Church complex forms its own historic district within this one.
First Unitarian Church is a historic building located in the downtown area of Iowa City, Iowa, United States. The local Universalist congregation traces its beginnings to 1841. Their building at Iowa Avenue and Dubuque Street was destroyed in a fire in 1868, and they built a larger building at Iowa Avenue and Clinton Street. In 1881 the Universalists merged with the local Unitarian Society. In their arrangement, the Unitarians paid for the minister while the Universalists owned the church building. The University of Iowa bought their building in 1907 and renamed it Unity Hall for use as a student union. The Unitarian-Universalist congregation dedicated this Tudor Revival building for their use on October 24, 1908. The dedication address was given by Rev. Eleanor E. Gordon, who was the secretary of the State Unitarian Conference of Iowa at the time. Because of their growth and costs to update the old building, the congregation voted in 2015 to build a new structure in near-by Coralville. They sold this building to developer Jesse Allen. It has subsequently been used as a winter shelter for the homeless while plans were made to include it in a new commercial-residential development. The former church building was listed on the National Register of Historic Places in 2018.
Schroeder-Klein Grocery Company Warehouse, also known as the Shields & Bradley Block, is a historic building located in Dubuque, Iowa, United States. It was built to house the warehouse needs of the Schroeder-Kleine Grocer Company and the M.M. Walker Company, two of the most prominent wholesale food distributors in the upper Midwest at the turn of the 20th century. Local builders Shields & Bradley constructed the three-story warehouse in 1894 so that the two firms could operate independent of each other. When the two firms merged in 1921, the building became fully interconnected. It was used as a food distribution warehouse until 1959. Other commercial ventures that have been housed here have included beer and soda bottling and distribution, chemical production, overhead door sales, hair products retailer, and pet groomer.
The Iowa City Downtown Historic District is a nationally recognized historic district located in Iowa City, Iowa, United States. It was listed on the National Register of Historic Places in 2021. At the time of its nomination it consisted of 102 resources, which included 73 contributing buildings, one contributing site, one contributing object, 21 non-contributing buildings, and seven non-contributing objects. Eight buildings that were previously listed on the National Register are also included in the district. Iowa City's central business district developed adjacent to the Iowa Old Capitol Building and the main campus of the University of Iowa. This juxtaposition gives the area its energy with the overlap of university staff and students and the local community. The district was significantly altered in the 1970s by the city's urban renewal effort that brought about the Ped Mall, which transformed two blocks of College Street from Clinton Street to Linn Street and Dubuque Street from Burlington Street to Washington Street. It is the contributing site and the large planters/retaining walls that are original to the project are counted together as the contributing object. There are also several freestanding, limestone planters, five contemporary sculptures, and a playground area are the non-contributing objects.
The McKee Button Company is a historic building in Muscatine, Iowa, United States. The city was known as the Pearl Button Capital of the World because of the numerous firms that produced the buttons here through the 1960s. The Peerless Button Company was established by James McKee and his brother-in-law William Bliven in 1895. Two years later the company's name was changed to the McKee and Bliven Button Company. They built this building in 1907. The company has been known as the McKee Button Company since 1925. The building was listed on the National Register of Historic Places in 2020.
