Demographics

As of the census^[2] of 2000, there were 20,770 people, 8,282 households, and 5,085 families residing in the city. The population density was 936.0 people per square mile (361.4/km²). There were 8,838 housing units at an average density of 398.3/sq mi (153.8/km²). The racial makeup of the city was 93.13% White, 2.29% African American, 0.34% Native American, 1.37% Asian, 0.08% Pacific Islander, 1.22% from other races, and 1.58% from two or more races. Hispanic or Latino of any race were 4.08% of the population. 19.6% were of French Canadian, 17.6% French, 12.7% Irish, 6.7% English, 6.3% Polish and 6.2% Italian ancestry according to Census 2000.

There were 8,282 households out of which 30.3% had children under the age of 18 living with them, 44.4% were married couples living together, 12.7% had a female householder with no husband present, and 38.6% were non-families. 32.4% of all households were made up of individuals and 13.5% had someone living alone who was 65 years of age or older. The average household size was 2.35 and the average family size was 2.97.

In the city the population was spread out with 23.7% under the age of 18, 7.7% from 18 to 24, 31.8% from 25 to 44, 20.7% from 45 to 64, and 16.1% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 105.1 males. For every 100 females age 18 and over, there were 103.7 males.