2020 census As of the
2020 census, Westbrook had a population of 20,400. The median age was 39.4 years. 18.8% of residents were under the age of 18 and 17.2% of residents were 65 years of age or older. For every 100 females there were 92.2 males, and for every 100 females age 18 and over there were 89.2 males age 18 and over. 96.4% of residents lived in urban areas, while 3.6% lived in rural areas. There were 8,798 households in Westbrook, of which 24.2% had children under the age of 18 living in them. Of all households, 38.5% were married-couple households, 19.7% were households with a male householder and no spouse or partner present, and 30.9% were households with a female householder and no spouse or partner present. About 32.6% of all households were made up of individuals and 13.5% had someone living alone who was 65 years of age or older. of 2010, there were 17,494 people, 7,568 households, and 4,456 families living in the city. The population density was . There were 7,989 housing units at an average density of . The racial makeup of the city was 92.3%
White, 2.3%
African American, 0.2%
Native American, 1.9%
Asian, 0.1%
Pacific Islander, 0.6% from
other races, and 2.5% from two or more races.
Hispanic or
Latino of any race were 1.9% of the population. There were 7,568 households, of which 28.3% had children under the age of 18 living with them, 41.2% were married couples living together, 13.1% had a female householder with no husband present, 4.6% had a male householder with no wife present, and 41.1% were non-families. 30.4% of all households were made up of individuals, and 12.2% had someone living alone who was 65 years of age or older. The average household size was 2.30 and the average family size was 2.87. The median age in the city was 39.4 years. 20.9% of residents were under the age of 18; 8.2% were between the ages of 18 and 24; 29.1% were from 25 to 44; 26.5% were from 45 to 64; and 15.2% were 65 years of age or older. The gender makeup of the city was 47.7% male and 52.3% female.
2000 census As of the census of 2000, there were 16,142 people, 6,863 households, and 4,261 families living in the city. The population density was . There were 7,089 housing units at an average density of . The racial makeup of the city was 96.69% White, 0.88% African American, 0.27% Native American, 0.82% Asian, 0.03% Pacific Islander, 0.28% from other races, and 1.03% from two or more races. Hispanic or Latino of any race were 0.89% of the population. There were 6,863 households, out of which 29.4% had children under the age of 18 living with them, 46.3% were married couples living together, 12.6% had a female householder with no husband present, and 37.9% were non-families. 30.4% of all households were made up of individuals, and 13.0% had someone living alone who was 65 years of age or older. The average household size was 2.33 and the average family size was 2.90. In the city, the age distribution of the population shows 23.4% under the age of 18, 7.3% from 18 to 24, 31.0% from 25 to 44, 22.7% from 45 to 64, and 15.5% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 89.1 males. For every 100 females age 18 and over, there were 82.8 males. The median income for a household in the city was $37,873, and the median income for a family was $47,120. Males had a median income of $32,412 versus $25,769 for females. The per capita income for the city was $19,501. About 6.7% of families and 8.3% of the population were below the poverty line, including 13.7% of those under age 18 and 5.7% of those age 65 or over. ==Economy==