Ready to see all the billboard ad options in the 83821 ZIP code of Coolin, Idaho and launch a billboard campaign online? If you are considering local advertising in Coolin’s 83821 ZIP code, it can help to understand the demographics of the area. Approximately 346 people live in the 83821 ZIP code, and they are divided amongst about 103 households. By understanding more about these people, you will be better prepared to buy a billboard ad online in Coolin’s 83821 ZIP code. The average size of a household in ZIP code number 83821 is 2.17 people, while the median home value is $190,000. ZIP code number 83821’s population is expected to grow by 9.3%. The ethnic diversity of the area is approximately: 62.1% white people, 0.3% black people, and 0.3% Asian people. 0.4% of the residents in Dresden’s 83821 ZIP code are of Hispanic ethnicity. In terms of the male/female ratio, there is one female for every 1.2 males in the area. According to data from The U.S. Census, the 83821 ZIP code of Coolin, Idaho has 1 renter for every 3.90 homeowner(s). The average household income in the area is $61,675 while the median household earns $42,500 of income. This area has a high school graduation rate of 76%. 52% of students that pursued a college education after high school dropped out. 25% of the students that completed college went on to earn a master's, professional, or doctorate degree. Beyond education, the Census breaks Coolin’s workers into three categories: 58% work in white-collar roles, 20% work in blue-collar jobs, and 22% are employed in the service industry.