2020 census As of the
2020 census, Baldwin had a population of 21,510. The median age was 42.5 years. 19.1% of residents were under the age of 18 and 20.9% of residents were 65 years of age or older. For every 100 females there were 94.5 males, and for every 100 females age 18 and over there were 92.1 males age 18 and over. There were 9,056 households in Baldwin, of which 25.8% had children under the age of 18 living in them. Of all households, 46.9% were married-couple households, 18.6% were households with a male householder and no spouse or partner present, and 27.9% were households with a female householder and no spouse or partner present. About 31.7% of all households were made up of individuals and 14.8% had someone living alone who was 65 years of age or older. There were 9,523 housing units, of which 4.9% were vacant. The homeowner vacancy rate was 1.0% and the rental vacancy rate was 6.9%.
2000 census At the
2000 census, there were 19,999 people in 8,193 households, including 5,776 families, in the borough. The population density was . There were 8,883 housing units at an average density of . The
racial makeup of the borough was 96.20% White, 2.42% African American, 0.05% Native American, 0.56% Asian, 0.01% Pacific Islander, 0.17% from other races, and 0.61% from two or more races. Hispanic or Latino of any race were 0.65% of the population. There were 8,193 households, 27.3% had children under the age of 18 living with them, 56.7% were married couples living together, 10.5% had a female householder with no husband present, and 29.5% were non-families. 26.4% of households were made up of individuals, and 13.7% were one person aged 65 or older. The average household size was 2.41 and the average family size was 2.92. The age distribution was 21.1% under the age of 18, 6.4% from 18 to 24, 26.7% from 25 to 44, 24.9% from 45 to 64, and 21.0% 65 or older. The median age was 43 years. For every 100 females, there were 90.1 males. For every 100 females age 18 and over, there were 86.5 males. The median household income was $40,752 and the median family income was $48,503. Males had a median income of $39,086 versus $28,458 for females. The per capita income for the borough was $19,918. About 3.9% of families and 5.3% of the population were below the
poverty line, including 7.4% of those under age 18 and 3.8% of those age 65 or over. ==Government and politics==