Historic District C

Historic District H, also known as the Missouri Training School for Boys District, is a national historic district located at Boonville, Cooper County, Missouri. It encompasses 15 contributing buildings associated with the Missouri Training School for Boys, a state juvenile detention facility. The district includes representative examples of Late Victorian style architecture. Notable buildings include the Administration Building (1890), Superintendent's Residence (1910-1917), Dining Hall (1890s), Commissary (1910-1917), and Barn (1890s, 1931).: 40–42 It was listed on the National Register of Historic Places in 1983.

Boller House was a historic home located at Boonville, Cooper County, Missouri. It was built about 1835, and was a two-story, five-bay, Classic Revival style brick, timber, and wood-frame dwelling. It consisted of a front block with rear ell and featured a two-story front portico.: 2  It has been demolished.It was listed on the National Register of Historic Places in 1977.

Boonville station is a historic train station located at Boonville, Cooper County, Missouri. It was built in 1912 by the Missouri–Kansas–Texas Railroad. It is a one-story, nine-bay, Mission Revival-Spanish Colonial Revival style building sheathed in stucco. A projecting bay which houses a telegrapher's station and the patrons' and trainmen's lobby. It features stepped and arched brick parapets at each gable end supported by three arched columns.: 2 The station was listed on the National Register of Historic Places in 1990 as the Missouri, Kansas and Texas Railroad Depot.

Historic District B is a national historic district located at Boonville, Cooper County, Missouri. It encompasses 23 contributing buildings in a predominantly residential section of Boonville. The district includes representative examples of Late Victorian style architecture. Notable buildings include the Dukes Residence (1900-1910), Windsor Residence (c. 1910), Hofstedler Residence (1920-1925), Short Residence (1908), Hain Residence (1836-1840), Hickam Estate Property (1840s), Christ Church Episcopal (1844-1846), and Christ Church Episcopal (1870, 1908).: 7–10 It was listed on the National Register of Historic Places in 1983.

Historic District D is a national historic district located at Boonville, Cooper County, Missouri. It encompasses 87 contributing buildings in the central business district of Boonville. The district includes representative examples of Late Victorian and Classical Revival style architecture. Located in the district is the separately listed Lyric Theater. Other notable buildings include the Geiger's Furniture and Appliance (1870s), Missouri Power and Light Co (1900-1910), Palace Restaurant and Cocktail Lounge (mid-1800s), Boonville Music Co. (1870s), Nelson Memorial Methodist Church (1915-1917), United Missouri Bank (1914), Knights of Pythias Building (1920), First Presbyterian Church (1833, 1904), P.N. Hirsch & Co. Department Store (1860s-1870s), Cooper County Recorder (mid-1800s), Cooper County Abstract and Insurance Co. (1910), and Cooper County Courthouse (1911-1912).: 16–26 It was listed on the National Register of Historic Places in 1983.

Cobblestone Street, also known as Fifth Street and Main Street, is a historic cobblestone street located at Boonville, Cooper County, Missouri. It was built about 1832, and was part of the original Fifth or Main Street. It is located beneath the Boonville Road Bridge and is constructed of cobblestones of varying sizes. The street remnant is approximately 20 feet wide and approximately 200 feet long. The street connected the main commercial district of Boonville with the wharves along the Missouri River.: 2–3 It was listed on the National Register of Historic Places in 1990.

The Isle of Capri Casino and Hotel Boonville is a stationary boat hotel and casino on the Missouri River in Boonville, Missouri, owned and operated by Caesars Entertainment.

Hamilton-Brown Shoe Company Building, now the Selwyn Place Apartments, is a historic factory building located at Boonville, Cooper County, Missouri. It was built in 1919 by the Hamilton-Brown Shoe Company, and is a four-story, rectangular brick industrial building with a flat roof. The roof is framed by a corbelled parapet capped with tile coping. The building features a five-story elevator tower and four-story tower which housed restrooms. Also on the property are the contributing power plant building and oil house.: 2 It was listed on the National Register of Historic Places in 1990.

Meierhoffer Sand Company Office Building was a historic office building located at Boonville, Cooper County, Missouri. It was built about 1900, and was a one-story, rectangular vernacular brick building with a gable roof. An addition was constructed about 1910 which housed a wagon scale. By 1929, the building had been used as a grocery store and was later converted to a dwelling.: 2–3  It has apparently been demolished. It was listed on the National Register of Historic Places in 1990.

Meierhoffer House is a historic home located at Boonville, Cooper County, Missouri. It was built about 1900, and is a one-story, vernacular brick dwelling with a central hall plan. It has a gable roof, arched window and door headers, and partially expose basement.: 4 It was listed on the National Register of Historic Places in 1990.

The First Battle of Boonville was a minor skirmish of the American Civil War, occurring on June 17, 1861, near Boonville in Cooper County, Missouri. Although casualties were extremely light, the battle's strategic impact was far greater than one might assume from its limited nature. The Union victory established what would become an unbroken Federal control of the Missouri River, and helped to thwart efforts to bring Missouri into the Confederacy. Four battles were fought at Boonville during the Civil War: the first battle forms the main subject of this article, while the others are described below under other battles at Boonville.

Fessler-Secongost House is a historic home located at Boonville, Cooper County, Missouri. It was built about 1862, and is a 1+1⁄2-story, two-thirds-plan, vernacular Gothic Revival style brick dwelling. It has steeply pitched cross-gable roof with bracketed eaves and a rear ell.: 2 It was listed on the National Register of Historic Places in 1990.