Polk Township, Sullivan County, Missouri

Sullivan County is a county located in the northern portion of the U.S. state of Missouri. As of the 2020 census, the population was 5,999. Its county seat is Milan. The county was organized February 14, 1845, and named for Major General John Sullivan of the American Revolutionary War.

Milan station, also known as the Quincy, Missouri & Pacific Railroad Depot, is a historic train station located at Milan, Sullivan County, Missouri, United States. It was built in 1882 by the Quincy, Missouri, and Pacific Railroad. It is a one-story, rectangular frame building with American Craftsman design elements. It features a hipped roof with wide eaves supported by heavy curved brackets and a projecting telegraphers bay. The depot remained in operation until 1939 and is operated by the Sullivan County Historical Society as a railroad museum.: 5  It was listed on the National Register of Historic Places in 1996 as the Milan Railroad Depot.

Quincy, Omaha and Kansas City Railroad Office Building, also known as the O.K. Building and Sullivan County Courthouse, is a historic office building located at Milan, Sullivan County, Missouri. It was built in 1898 by the Quincy, Omaha and Kansas City Railroad. It is a two-story, rectangular brick building on a limestone foundation. It features a Romanesque style round arched entrance and second-story window openings. From 1908 to 1940, the building was used by Sullivan County as a courthouse and served as the seat of government for the county.: 5, 16  It was listed on the National Register of Historic Places in 1992.

Milan ( MY-lən) is a city in Sullivan County, Missouri, United States. The population was 1,819 at the 2020 census. It is the county seat of Sullivan County.

The American Osteopathic Board of Radiology (AOBR) is an organization that provides board certification to qualified Doctors of Osteopathic Medicine (D.O.) who specialize in the use of imaging in the diagnosis and treatment of disease (radiologists). The board is one 18 medical specialty certifying boards of the American Osteopathic Association Bureau of Osteopathic Specialists approved by the American Osteopathic Association (AOA), and was established in 1939. The American Osteopathic Board of Radiology and the American Board of Radiology are the two certifying boards for radiologists in the United States. As of December 2011, 732 osteopathic radiologists held active certification with the AOBR. Radiologists board certified by the AOBR are eligible for membership in the American College of Radiology.

Jacksonville is an unincorporated community in Sullivan County, in the U.S. state of Missouri.

Boynton is an unincorporated community in Sullivan County, in the U.S. state of Missouri. The community is on Missouri Route N, 1.5 miles (2.4 km) east of Missouri Route 5 and six miles (9.7 km) north-northeast of Milan. East Locust Creek flows past the west side of the community. The Chicago, Burlington and Quincy Railroad passed through the community.

Cora is an unincorporated community in southern Sullivan County, Missouri, United States. It sits along Missouri Route T approximately six miles south of Milan and consists entirely of private homes. East Locust Creek flows past the west side of the community. The Chicago, Burlington and Quincy Railroad passes near the community.

Reger is an unincorporated community in Sullivan County, Missouri, United States. It is located along Missouri Route 6, approximately six miles southwest of Milan. Locust Creek flows past just to the east. Reger was laid out in 1881. The community has the name of O. M. Reger, an early citizen. A post office called Reger was established in 1881, and remained in operation until 1968. Henry Cemetery was listed on the National Register of Historic Places in 2005.

Jackson Township is a township in Sullivan County, in the U.S. state of Missouri. Jackson Township was erected in 1872, most likely taking its name from Andrew Jackson.

Pleasant Hill Township is a township in Sullivan County, in the U.S. state of Missouri. Pleasant Hill Township was erected in 1845.

Paw Paw is a community in south central Sullivan County, in the U.S. state of Missouri, which the GNIS classifies as a populated place. The community is located approximately one third mile north of Paw Paw Creek, approximately 7.5 miles (12.1 km) south-southeast of Milan and six miles (9.7 km) northeast of Browning. The name was sometimes spelled "Pawpaw". A post office called Pawpaw was established in 1899 and remained in operation until 1905. The community most likely was so named because of the paw paw thickets near the original town site.