Science Fair Project Encyclopedia
Portsmouth is located at 38°44'35" North, 82°57'56" West (38.743186, -82.965436)1.
As of the census2 of 2000, there are 20,909 people, 9,120 households, and 5,216 families residing in the city. The population density is 749.6/km² (1,941.4/mi²). There are 10,248 housing units at an average density of 367.4/km² (951.5/mi²). The racial makeup of the city is 91.50% White, 5.00% African American, 0.63% Native American, 0.61% Asian, 0.02% Pacific Islander, 0.32% from other races, and 1.92% from two or more races. 0.93% of the population are Hispanic or Latino of any race.
There are 9,120 households out of which 25.9% have children under the age of 18 living with them, 37.9% are married couples living together, 15.6% have a female householder with no husband present, and 42.8% are non-families. 37.3% of all households are made up of individuals and 17.8% have someone living alone who is 65 years of age or older. The average household size is 2.19 and the average family size is 2.87.
In the city the population is spread out with 22.0% under the age of 18, 11.3% from 18 to 24, 25.9% from 25 to 44, 21.2% from 45 to 64, and 19.6% who are 65 years of age or older. The median age is 38 years. For every 100 females there are 83.8 males. For every 100 females age 18 and over, there are 78.3 males.
The median income for a household in the city is $23,004, and the median income for a family is $31,237. Males have a median income of $31,521 versus $20,896 for females. The per capita income for the city is $15,078. 23.6% of the population and 18.3% of families are below the poverty line. Out of the total population, 31.1% of those under the age of 18 and 14.5% of those 65 and older are living below the poverty line.
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