Beresford is a city in Lincoln and Union counties in the U.S. state of South Dakota. The population was 2,180 as of the 2020 census. The southern two-thirds is part of the Sioux City, IA-NE-SD Metropolitan Statistical Area, while the northern one-third is part of the Sioux Falls Metropolitan Statistical Area. The Beresford Republic is the weekly newspaper.

Lincoln County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 65,161, making it the third most populous county in South Dakota. Its county seat is Canton. The county was named for Abraham Lincoln, 16th President of the United States.