Ready to see all the billboard ad options in the 21635 ZIP code of Galena, Maryland and launch a billboard campaign online? If you are considering local advertising in Galena’s 21635 ZIP code, it can help to understand the demographics of the area. Approximately 2,208 people live in the 21635 ZIP code, and they are divided amongst about 838 households. By understanding more about these people, you will be better prepared to buy a billboard ad online in Galena’s 21635 ZIP code. The average size of a household in ZIP code number 21635 is 2.39 people, while the median home value is $261,806. ZIP code number 21635’s population is expected to decline by -0.6%. The ethnic diversity of the area is approximately: 83.3% white people, 5.8% black people, and 0.5% Asian people. 3.1% of the residents in Dresden’s 21635 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 21635 ZIP code of Galena, Maryland has 1 renter for every 4.70 homeowner(s). The average household income in the area is $71,736 while the median household earns $63,478 of income. This area has a high school graduation rate of 78%. 44% of students that pursued a college education after high school dropped out. 28% of the students that completed college went on to earn a master's, professional, or doctorate degree. Beyond education, the Census breaks Galena’s workers into three categories: 55% work in white-collar roles, 26% work in blue-collar jobs, and 19% are employed in the service industry.