Pine Hollow is a census-designated place (CDP) and unincorporated community in Wasco County, Oregon, United States. It surrounds Pine Hollow Reservoir. The CDP population was 424 at the 2000 census.
Pine Hollow is located at 45°14′42″N 121°17′54″W / 45.24500°N 121.29833°W / 45.24500; -121.29833 (45.245043, -121.298376). The community is located 1,886 feet (575 m) above sea-level.
According to the United States Census Bureau, the CDP has a total area of 2.6 square miles (6.7 km), of which, 2.3 square miles (6.0 km) of it is land and 0.3 square miles (0.78 km) of it (11.97%) is water.
As of the census of 2000, there were 424 people, 197 households, and 152 families residing in the CDP. The population density was 186.0 people per square mile (71.8/km²). There were 435 housing units at an average density of 190.8/sq mi (73.7/km²). The racial makeup of the CDP was 94.10% White, 0.94% Native American, 1.18% Pacific Islander, 1.42% from other races, and 2.36% from two or more races. Hispanic or Latino of any race were 2.83% of the population.
There were 197 households out of which 10.7% had children under the age of 18 living with them, 72.6% were married couples living together, 3.0% had a female householder with no husband present, and 22.8% were non-families. 19.3% of all households were made up of individuals and 8.6% had someone living alone who was 65 years of age or older. The average household size was 2.15 and the average family size was 2.41.
In the CDP, the population was spread out with 13.2% under the age of 18, 3.1% from 18 to 24, 9.7% from 25 to 44, 45.5% from 45 to 64, and 28.5% who were 65 years of age or older. The median age was 58 years. For every 100 females, there were 99.1 males. For every 100 females age 18 and over, there were 95.7 males.
The median income for a household in the CDP was $37,667, and the median income for a family was $37,604. Males had a median income of $37,083 versus $16,250 for females. The per capita income for the CDP was $16,537. About 9.1% of families and 10.5% of the population were below the poverty line, including 14.9% of those under age 18 and 7.0% of those age 65 or over.