Married couple is defined for census purposes as a husband and wife enumerated as members of the same household. The married couple may or may not have children living with them. Median is the measure of central tendency that occupies the middle position in a rank order of values. It generally has the same number of items above it as below it. If there is an even number of items in the group, the median is taken to be the average of the middle two items.
Nonfamily householder is a person maintaining a household alone or with nonrelatives only.
Own children are family members who are sons and daughters, including stepchildren and adopted children, of the householder. Poverty is based on a definition developed by the Social Security Administration in 1964 and revised in 1969 and 1981. The poverty index provides a range of income cutoffs adjusted by such factors as family size, sex of the family head, and a number of children under 18 years old. The poverty thresholds rise each year by the same percentage as the annual average Consumer Price Index. White includes persons having origins in any of the original peoples of Europe, North Africa, or the Middle East.