Orchard Grass Hills is a home rule-class city[6] in Oldham County, Kentucky, in the United States.

According to the United States Census Bureau, the city has a total area of 0.3 square miles (0.78 km2), all land.

As of the census[9] of 2000, there were 1,031 people, 330 households, and 279 families residing in the city.

There were 341 housing units at an average density of 1,015.0 per square mile (391.9/km2).

10.9% of all households were made up of individuals, and 0.6% had someone living alone who was 65 years of age or older.