Ulster County New York as of the census of 2010, there were 181,440 people, 67,499 households, and 43,536 families residing in the county. The population density was 158 people per square mile (61/km²). There were 77,656 housing units at an average density of 69 per square mile (27/km²). The racial makeup of the county, as of 2008, was 83.2% White, 6.50% Black or African American, 0.3% Native American, 1.7% Asian, 0.03% Pacific Islander, 2.15% from other races, and 1.70% from two or more races. 7.6% of the population were Hispanic or Latino of any race. 19.2% were of Italian, 16.8% Irish, 15.5% German, 6.8% English, and 4.7% American ancestry according to Census 2000. 90.3% spoke English, 4.5% Spanish, 1.2% Italian, and 1.0% German as their first language.
The median income for a household in the county was $42,551, and the median income for a family was $51,708. Males had a median income of $36,808 versus $27,086 for females. The per capita income for the county was $20,846. About 7.20% of families and 11.40% of the population were below the poverty line, including 13.00% of those under age 18 and 8.70% of those age 65 or over.