Day County Historical Per Capita Income Data
ACS 2010-2014 data
| Day County | 23,651 USD |
| South Dakota | 26,311 USD |
| U.S. | 28,555 USD |
ACS 2008-2012 data
| Day County | 20,947 USD |
| South Dakota | 25,570 USD |
| U.S. | 28,051 USD |
ACS 2006-2010 data
| Day County | 20,542 USD |
| South Dakota | 24,110 USD |
| U.S. | 27,334 USD |
ACS 2005-2009 data
| Day County | 19,959 USD |
| South Dakota | 23,445 USD |
| U.S. | 27,041 USD |
US Census 2000 data
| Day County | 15,856 USD |
| South Dakota | 17,562 USD |
| U.S. | 21,587 USD |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.
