Vantage is a census-designated place (CDP) in Kittitas County, Washington, United States. The population was 70 at the 2000 census.
According to the United States Census Bureau, the CDP has a total area of 0.3 square miles (0.8 km²), all of it land.
The original town of Vantage was flooded by the Columbia River when the Wanapum Dam was placed into operation.
There were 25 households out of which 28.0% had children under the age of 18 living with them, 68.0% were married couples living together, 4.0% had a female householder with no husband present, and 20.0% were non-families. 20.0% of all households were made up of individuals and none had someone living alone who was 65 years of age or older. The average household size was 2.80 and the average family size was 3.25.
In the CDP the population was spread out with 24.3% under the age of 18, 15.7% from 18 to 24, 21.4% from 25 to 44, 32.9% from 45 to 64, and 5.7% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 105.9 males. For every 100 females age 18 and over, there were 103.8 males.
The median income for a household in the CDP was $26,250, and the median income for a family was $43,750. Males had a median income of $26,250 versus $0 for females. The per capita income for the CDP was $17,605.
Vantage is known for Ginkgo/Wanapum State Park, its rock climbing, and as a base camp for those attending nearby Gorge Amphitheatre.