An entrepreneur in Maryland is considering opening a fast-food restaurant and researches which county would be best for the business. Using population information from the Census Bureau, he identifies counties that have a large number of customers in his target market, and looks at which may already be well-served - there may already be a large relative number of restaurants.
To identify less-served markets, he merges statistics from the Economic Census with demographic statistics to create a ratio of sales per population. Doing so reveals that businesses in Wicomico County had higher sales per population than other counties in the state… a potential good county to start his business.
Reviewing the Census statistics further reveals the following about fast food businesses in Maryland counties:
The entrepreneur decides that each of these counties might be a good place for his new restaurant, and that further research into these potential counties was needed.