Ready to see all the billboard ad options in the 21737 ZIP code of Glenelg, Maryland and launch a billboard campaign online? If you are considering local advertising in Glenelg’s 21737 ZIP code, it can help to understand the demographics of the area. Approximately 1,402 people live in the 21737 ZIP code, and they are divided amongst about 522 households. By understanding more about these people, you will be better prepared to buy a billboard ad online in Glenelg’s 21737 ZIP code. The average size of a household in ZIP code number 21737 is 3.23 people, while the median home value is $702,720. ZIP code number 21737’s population is expected to grow by 13.4%. The ethnic diversity of the area is approximately: 109.8% white people, 5.4% black people, and 3.6% Asian people. 3.1% of the residents in Dresden’s 21737 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 21737 ZIP code of Glenelg, Maryland has 1 renter for every 13.11 homeowner(s). The average household income in the area is $134,545 while the median household earns $116,912 of income. This area has a high school graduation rate of 95%. 22% of students that pursued a college education after high school dropped out. 43% of the students that completed college went on to earn a master's, professional, or doctorate degree. Beyond education, the Census breaks Glenelg’s workers into three categories: 83% work in white-collar roles, 13% work in blue-collar jobs, and 5% are employed in the service industry.