Day County

administration
US state :	South Dakota
Administrative headquarters :	Webster
Foundation :	1880
Demographics
Residents :	5710 (2010)
Population density :	2.1 inhabitants / km ²
geography
Total area :	2826 km²
Water surface :	162 km²
map

Day County is a county in the state of South Dakota in the United States . It is located in the northeast of the state and has 6,267 inhabitants. The county was named after Merritt H. Day, a Dakota Territory politician .

geography

The district has an area of 2826 square kilometers; 162 square kilometers (5.74 percent) of this is water. It is divided into 28 townships : Andover, Bristol, Butler, Central Point, Egeland, Farmington, Grenville, Highland, Home, Independence, Kidder, Kosciusko, Liberty, Lynn, Morton, Nutley, Oak Gulch, Racine, Raritan, Rusk, Scotland , Troy, Union, Valley, Waubay, Webster, Wheatland and York.

history

The Waldorf Hotel is one of eleven entries for the county in the NRHP.

Eleven structures and sites in the county are listed on the National Register of Historic Places (NRHP) (as of July 30, 2018).

Population development

Population development
Census	Residents	± in%
1900	12,254	-
1910	14,372	17.3%
1920	15.194	5.7%
1930	14,606	-3.9%
1940	13,565	-7.1%
1950	12,294	-9.4%
1960	10,516	-14.5%
1970	8713	-17.1%
1980	8133	-6.7%
1990	6978	-14.2%
2000	6267	-10.2%
2010	5710	-8.9%
1900-1990 2000