Oxbow National Wildlife Refuge (part) Demographics As of the 2020 census, 862,111 people resided in Worcester County. 2000 census At the 2000 census there were 750,963 people, 283,927 households, and 192,502 families in the county. The population density was . There were 298,159 housing units at an average density of 197 per square mile (76/km2). The racial makeup of the county was 89.61% White, 2.73% Black or African American, 0.25% Native American, 2.62% Asian, 0.04% Pacific Islander, 2.93% from other races, and 1.82% from two or more races. 6.77%. were Hispanic or Latino of any race. 15.9% were of Irish, 12.3% Italian, 11.7% French, 8.0% French Canadian, 8.0% English, 5.6% Polish and 5.0% American ancestry according to Census 2000. 85.1% spoke English, 6.1% Spanish and 1.9% French as their first language. Of the 283,927 households 33.60% had children under the age of 18 living with them, 52.50% were married couples living together, 11.40% had a female householder with no husband present, and 32.20% were non-families. 26.20% of households were one person and 10.40% were one person aged 65 or older. The average household size was 2.56 and the average family size was 3.11. The age distribution was 25.60% under the age of 18, 8.40% from 18 to 24, 31.10% from 25 to 44, 21.80% from 45 to 64, and 13.00% 65 or older. The median age was 36 years. For every 100 females, there were 95.50 males. For every 100 females age 18 and over, there were 92.10 males. The median household income was $47,874 and the median family income was $58,394. Males had a median income of $42,261 versus $30,516 for females. The per capita income for the county was $22,983. About 6.80% of families and 9.20% of the population were below the poverty line, including 11.30% of those under age 18 and 9.50% of those age 65 or over. 2010 census At the 2010 census, there were 798,552 people, 303,080 households, and 202,602 families in the county. The population density was . There were 326,788 housing units at an average density of . The racial makeup of the county was 85.6% white, 4.2% black or African American, 4.0% Asian, 0.2% American Indian, 3.6% from other races, and 2.3% from two or more races. Those of Hispanic or Latino origin made up 9.4% of the population. In terms of ancestry, 22.2% were Irish, 15.1% were French as well as