Ready to see all the billboard ad options in the 91978 ZIP code of Spring Valley, California and launch a billboard campaign online? If you are considering local advertising in Spring Valley’s 91978 ZIP code, it can help to understand the demographics of the area. Approximately 69,818 people live in the 91978 ZIP code, and they are divided amongst about 20,538 households. By understanding more about these people, you will be better prepared to buy a billboard ad online in Spring Valley’s 91978 ZIP code. The average size of a household in ZIP code number 91978 is 2.93 people, while the median home value is $406,794. ZIP code number 91978’s population is expected to grow by 5.1%. The ethnic diversity of the area is approximately: 49.3% white people, 11.7% black people, and 7.3% Asian people. 32.4% of the residents in Dresden’s 91978 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 91978 ZIP code of Spring Valley, California has 1 renter for every 1.76 homeowner(s). The average household income in the area is $69,465 while the median household earns $56,770 of income. This area has a high school graduation rate of 70%. 54% of students that pursued a college education after high school dropped out. 21% of the students that completed college went on to earn a master's, professional, or doctorate degree. Beyond education, the Census breaks Spring Valley’s workers into three categories: 59% work in white-collar roles, 23% work in blue-collar jobs, and 18% are employed in the service industry.