Geography
The terrain of Day County consists of rolling hills, partly devoted to agriculture. It is dotted with numerous lakes and ponds, especially its eastern portion. The terrain slopes to the west; its highest point is the northeast corner, at ASL. The county has a total area of , of which is land and (5.8%) is water.Lakes
* Amsden * Antelope * Bitter * Blue Dog * Enemy Swim * Horseshoe * Lynn * Minnewaste * Pickerel Lake * Reetz * Rush * Sweetwater * WaubayMajor highways
* U.S. Highway 12 * South Dakota Highway 25 * South Dakota Highway 27Adjacent counties
* Marshall County - north * Roberts County - east * Grant County - southeast * Codington County - southeast * Clark County - south * Spink County - southwest * Brown County - westProtected areas
* Buchner Slough State Public Shooting Area * Holmquist Slough State Public Shooting Area * Lily State Public Shooting Area * Myland Pass State Public Shooting Area * Nelson Slough State Public Shooting Area * Pickerel Lake State Recreation Area * Pierpont Lake Recreation Area * Waubay National Wildlife RefugeDemographics
2020 census
As of the 2020 census, there were 5,449 people, 2,370 households, and 1,451 families residing in the county. The2010 census
As of the 2010 census, there were 5,710 people, 2,504 households, and 1,561 families in the county. The population density was . There were 3,630 housing units at an average density of . The racial makeup of the county was 88.1% white, 9.5% American Indian, 0.2% Asian, 0.1% black or African American, 0.4% from other races, and 1.7% from two or more races. Those of Hispanic or Latino origin made up 1.1% of the population. In terms of ancestry, 43.8% were German, 25.1% were Norwegian, 12.8% were Polish, 8.8% were Irish, and 6.1% were American. Of the 2,504 households, 24.4% had children under the age of 18 living with them, 50.0% were married couples living together, 7.9% had a female householder with no husband present, 37.7% were non-families, and 34.0% of all households were made up of individuals. The average household size was 2.22 and the average family size was 2.83. The median age was 47.9 years. The median income for a household in the county was $36,818 and the median income for a family was $47,949. Males had a median income of $36,549 versus $25,750 for females. The per capita income for the county was $20,542. About 10.7% of families and 12.5% of the population were below theCommunities
Cities
*Towns
* Andover * Butler * Grenville * Pierpont * RoslynCensus-designated place
* Enemy SwimUnincorporated communities
* AmsdenTownships
* Andover * Bristol * Butler * Central Point * Egeland * Farmington * Grenville * Highland * Homer * Independence * Kidder * Kosciusko * Liberty * Lynn * Morton * Nutley * Oak Gulch * Racine * Raritan * Rusk * Scotland * Troy * Union * Valley * Waubay * Webster * Wheatland * YorkPolitics
Day County voters have tended to vote Democratic for the past several decades. Since 1948 the county has selected the Democratic Party candidate in 71% of national elections. However, the county swung hard to Donald Trump in 2016, and in 2020 Trump posted the best percentage in the county by a Republican presidential candidate sinceSee also
* National Register of Historic Places listings in Day County, South DakotaReferences
External links