Palmyra is a city in and the county seat of Marion County, Missouri, United States.

Palmyra was platted in 1819 and named after Palmyra, in Syria. The settlement was designated county seat in 1827. A post office called Palmyra has been in operation since 1830.

Palmyra is known for its rich history and its beautiful architecture. The city has over 200 antebellum structures, and six buildings are individually listed on the National Register of Historic Places. Some of the most notable historic buildings in Palmyra include the Marion County Courthouse, the Gardner House, and the Culbertson-Head Farmstead.

Palmyra is a community located in northeast Missouri across the river from Quincy, Illinois. Parts of the downtown core featured structures built in 1855 before the start of the American civil war. City hall had taken over a former bank using the old vault in the same capacity for utility payments.

Immediately behind the city hall was a far older structure that was occupied by the police department. The space in no way met or could reasonable be accommodate to meet the design guidelines for the Americans with Disabilities Act. Parts of the structure were closed off and the general consensus was the facility needed to be demolished.

CPS was retained to create a space needs study to provide the department and the city with a planning document that would enable them to design and build a new facility specifically for the police department.