Yankton, South Dakota

City
	Location in Yankton County and the state of South Dakota
	Coordinates: 42°53′02″N 97°21′54″W / 42.88389°N 97.36500°WCoordinates: 42°53′02″N 97°21′54″W / 42.88389°N 97.36500°W
Country	United States
State	South Dakota
County	Yankton
Incorporated	1869
Government
• Type	Council-Manager
Area
• City	8.91 sq mi (23.08 km2)
• Land	8.67 sq mi (22.45 km2)
• Water	0.24 sq mi (0.62 km2)
Elevation	1,243 ft (379 m)
Population (2020)
• City	15,411
• Density	1,777.51/sq mi (686.31/km2)
• Metro	23,297
Time zone	UTC−6 (CST)
• Summer (DST)	UTC−5 (CDT)
ZIP codes	57078-57079
FIPS code	46-73060
GNIS feature ID	1267665
Website	cityofyankton.org

Yankton is a city in and the county seat of Yankton County, in the southern part of the U.S. state of South Dakota. It became a city in 1889,^[6] and 15,411 people lived there at the 2020 census.^[4] Yankton is located near the Missouri River.

Yankton, South Dakota Media

Yankton, as viewed from the Meridian Bridge with the Discovery Bridge crossing the Missouri River in the foreground, and the steeple of the Bishop Martin Marty Chapel in the background
The Dakota Territory in 1861.
A modern replica of the Dakota Territorial Capitol building stands in Yankton's Riverside Park.
The conservatory building on the former Yankton College campus – now a part of the Yankton Federal Prison Camp.
A view of Yankton's riverfront after the flood of March 1881.
Gavins Point Dam, constructed from 1952 to 1957 (foreground) with Lewis and Clark Lake in the background, just west of Yankton.
The Discovery Bridge at night.
The abandoned Mead Building on the South Dakota Human Services Center campus in Yankton has been identified as the future site of the Dakota Territorial Museum.
Statue of steamboat captain Grant Marsh in Riverside Park, Yankton, South Dakota.
Home and barn of Grant Marsh, 513 Douglas St., Yankton, South Dakota. Marsh was the most famous steamboat captain on the Missouri River.