Ready to see all the billboard ad options in the 57021 ZIP code of Davis, South Dakota and launch a billboard campaign online? If you are considering local advertising in Davis’s 57021 ZIP code, it can help to understand the demographics of the area. Approximately 395 people live in the 57021 ZIP code, and they are divided amongst about 111 households. By understanding more about these people, you will be better prepared to buy a billboard ad online in Davis’s 57021 ZIP code. The average size of a household in ZIP code number 57021 is 2.51 people, while the median home value is $95,000. ZIP code number 57021’s population is expected to decline by -5.4%. The ethnic diversity of the area is approximately: 69.9% white people, 0.0% black people, and 0.0% Asian people. 0.0% of the residents in Dresden’s 57021 ZIP code are of Hispanic ethnicity. In terms of the male/female ratio, there is one female for every 1.0 males in the area. According to data from The U.S. Census, the 57021 ZIP code of Davis, South Dakota has 1 renter for every 4.55 homeowner(s). The average household income in the area is $51,284 while the median household earns $40,833 of income. This area has a high school graduation rate of 87%. 48% of students that pursued a college education after high school dropped out. 31% of the students that completed college went on to earn a master's, professional, or doctorate degree. Beyond education, the Census breaks Davis’s workers into three categories: 48% work in white-collar roles, 31% work in blue-collar jobs, and 21% are employed in the service industry.