Penhook is a small census-designated place with a population of just over 800 people. The median age of residents is 49, although there are also significant numbers of children and adults of other ages. The per capita income in Penhook is $48,663 and the median household income is just over $68,000. More than three quarters of residents over age 25 have a high school diploma, and 43.7% have at least a Bachelor’s degree. Manufacturing is the most common industry, making up 33% of Penhook’s industrial activity, and careers in management are the most popular type of occupation. Average temperatures throughout the year are similar to those of the United States overall, and there are several hospitals and colleges relatively close to the town.