Household income is one of the commonly cited measures of individual wealth. Household income considers the incomes of all people ages 15 years or older occupying the same housing unit, regardless of relation. A single person occupying a dwelling by himself is also considered a household. Per capita income measures the average income earned by each person in a given area. Therefore, two income earners in the same family or household are counted separately when measuring per capita income. This is why while the median household income in Pottawatomie County is about 20 percent higher than the amount in the state of Kansas, the per capita income is a little less than the state amount.