Ready to see all the billboard ad options in the 50136 ZIP code of Keswick, Iowa and launch a billboard campaign online? If you are considering local advertising in Keswick’s 50136 ZIP code, it can help to understand the demographics of the area. Approximately 406 people live in the 50136 ZIP code, and they are divided amongst about 236 households. By understanding more about these people, you will be better prepared to buy a billboard ad online in Keswick’s 50136 ZIP code. The average size of a household in ZIP code number 50136 is 2.53 people, while the median home value is $60,000. ZIP code number 50136’s population is expected to decline by -6.0%. The ethnic diversity of the area is approximately: 145.3% white people, 0.0% black people, and 0.2% Asian people. 0.8% of the residents in Dresden’s 50136 ZIP code are of Hispanic ethnicity. In terms of the male/female ratio, there is one female for every 0.9 males in the area. According to data from The U.S. Census, the 50136 ZIP code of Keswick, Iowa has 1 renter for every 4.90 homeowner(s). The average household income in the area is $57,436 while the median household earns $41,818 of income. This area has a high school graduation rate of 88%. 49% of students that pursued a college education after high school dropped out. 5% of the students that completed college went on to earn a master's, professional, or doctorate degree. Beyond education, the Census breaks Keswick’s workers into three categories: 39% work in white-collar roles, 26% work in blue-collar jobs, and 35% are employed in the service industry.