Ready to see all the billboard ad options in the 51357 ZIP code of Royal, Iowa and launch a billboard campaign online? If you are considering local advertising in Royal’s 51357 ZIP code, it can help to understand the demographics of the area. Approximately 801 people live in the 51357 ZIP code, and they are divided amongst about 310 households. By understanding more about these people, you will be better prepared to buy a billboard ad online in Royal’s 51357 ZIP code. The average size of a household in ZIP code number 51357 is 2.42 people, while the median home value is $74,630. ZIP code number 51357’s population is expected to decline by -5.7%. The ethnic diversity of the area is approximately: 93.5% white people, 0.0% black people, and 0.0% Asian people. 1.5% of the residents in Dresden’s 51357 ZIP code are of Hispanic ethnicity. In terms of the male/female ratio, there is one female for every 1.1 males in the area. According to data from The U.S. Census, the 51357 ZIP code of Royal, Iowa has 1 renter for every 2.73 homeowner(s). The average household income in the area is $58,952 while the median household earns $49,375 of income. This area has a high school graduation rate of 80%. 54% of students that pursued a college education after high school dropped out. 10% of the students that completed college went on to earn a master's, professional, or doctorate degree. Beyond education, the Census breaks Royal’s workers into three categories: 43% work in white-collar roles, 37% work in blue-collar jobs, and 20% are employed in the service industry.