York County is part of the Portland–South Portland–Biddeford Metropolitan Statistical Area.
At the 2000 census, there were 186,742 people, 74,563 households and 50,851 families residing in the county. The population density was 188 per square mile (73/km²). There were 94,234 housing units at an average density of 95 per square mile (37/km²). The racial makeup of the county was 97.56% White, 0.42% Black or African American, 0.24% Native American, 0.73% Asian, 0.03% Pacific Islander, 0.17% from other races, and 0.85% from two or more races. 0.70% of the population were Hispanic or Latino of any race. The most cited ethnicities were English (17.9%), French (14.5%), French Canadian (13.9%), Irish (12.5%), United States or American (9.6%) and Italian (5.1%). 90.84% of the population spoke English and 6.92% spoke French as their first language.[1]
There were 74,563 households of which 32.20% had children under the age of 18 living with them, 55.00% were married couples living together, 9.50% had a female householder with no husband present, and 31.80% were non-families. 24.90% of all households were made up of individuals and 9.70% had someone living alone who was 65 years of age or older. The average household size was 2.47 and the average family size was 2.96.
Age distribution was 24.80% under the age of 18, 6.90% from 18 to 24, 30.00% from 25 to 44, 24.80% from 45 to 64, and 13.60% who were 65 years of age or older. For every 100 females there were 94.50 males. For every 100 females age 18 and over, there were 91.40 males. The median age was 38 years.
The median household income was $43,630, and the median family income was $51,419. Males had a median income of $36,317 versus $26,016 for females. The per capita income for the county was $21,225. About 5.90% of families and 8.20% of the population were below the poverty line, including 9.90% of those under age 18 and 8.50% of those age 65 or over.