Racial and ethnic composition 2020 census As of the
2020 census, the county had 553,543 residents and a median age of 48.2 years. 17.2% of residents were under the age of 18 and 25.7% of residents were 65 years of age or older. For every 100 females there were 94.9 males, and for every 100 females age 18 and over there were 93.1 males age 18 and over. The 2020 census counted 232,301 households and 136,510 families in the county, of which 22.7% had children under the age of 18 living in them, 44.3% were married-couple households, 19.0% were households with a male householder and no spouse or partner present, and 28.8% were households with a female householder and no spouse or partner present. About 29.8% of all households were made up of individuals and 15.5% had someone living alone who was 65 years of age or older. Of the population, 91.5% lived in urban areas, while 8.5% lived in rural areas.
2016 As of 2016, an estimated 205,310 households were in Volusia County. The total population was 510,806. About 86.8% spoke English as their only language, so 13.2% could speak a language other than English. The largest ancestry groups in the county were
English-American at 15.7%,
German-American at 12.3%,
Irish-American at 11.0% and
Italian-American at 7.0%.
2000 census As of the 2000
census, 443,343 people, 184,723 households, and 120,069 families were residing in the county. The population density was . The 211,938 housing units averaged 192 per square mile (74/km2). The
racial makeup of the county was 86.11% White, 9.29% African American, 0.31% Native American, 1.00% Asian, 1.86% from other races, and 1.43% from two or more races. About 6.57% of the population were Hispanic or Latino of any race; ancestry was 13.7%
German, 11.5%
Irish, 11.2%
English, 10.7%
American, and 8.7%
Italian ancestry. Of the 184,723 households, 24.10% had children under the age of 18 living with them, 50.40% were married couples living together, 10.90% had a female householder with no husband present, and 35.00% were not families. About 27.90% of all households were made up of individuals, and 13.60% had someone living alone who was 65 years of age or older. The average household size was 2.32, and the average family size was 2.82. In the county, the age distribution was 20.30% under 18, 8.20% from 18 to 24, 25.30% from 25 to 44, 24.20% from 45 to 64, and 22.10% at 65 or older. The median age was 42 years. For every 100 females, there were 94.50 males. For every 100 females age 18 and over, there were 91.80 males. The median income for a household in the county was $35,219, and for a family was $41,767. Males had a median income of $30,573 versus $22,471 for females. The
per capita income for the county was $19,664. About 7.90% of families and 11.60% of the population were below the
poverty line, including 16.30% of those under age 18 and 7.10% of those age 65 or over. ==Politics==