Green Hills is a borough located in Washington County, Pennsylvania, U.S., at the 2000 census the population was 18 making it the second least populous borough in the state.
As of the 2000 census, the borough had a total population of 18 making it the second least populous borough in the state. Green Hills is a borough located in Washington County, Pennsylvania.
Green Hills is a borough located in Washington County, Pennsylvania. As of the 2000 census, the borough had a total population of 18 making it the second least populous borough in the state.
Green Hills is a borough located in Washington County, Pennsylvania. As of the 2000 census, the borough had a total population of 18 making it the second least populous borough in the state.