Day County, SD has a population of 5,588 people with a median age of 48.5 and a median household income of $40,647. Between 2015 and 2016 the population of Day County, SD declined from 5,618 to 5,588, a 0.53% decrease and its median household income grew from $39,216 to $40,647, a 3.65% increase.
The population of Day County, SD is 86.4% White, 9.6% Native, and 2.13% Hispanic. 2.24% of the people in Day County, SD speak a non-English language, and 99% are U.S. citizens.
The largest universities in Day County, SD are Lake Area Technical Institute, with 733 graduates, Northern State University, with 485 graduates, and Presentation College, with 116 graduates.
The median property value in Day County, SD is $83,600, and the homeownership rate is 72.7%. Most people in Day County, SD commute by Drove Alone, and the average commute time is 16.3 minutes. The average car ownership in Day County, SD is 2 cars per household.
Day County, SD is the 30th most populated county in South Dakota and borders Brown County, SD; Clark County, SD; Codington County, SD; Grant County, SD; Marshall County, SD; Roberts County, SD; Spink County, SD& 2 more.