About the town » Greenleaf, Washington County, Kansas, United States

Greenleaf is a city in Washington County, Kansas, United States. It was named to honor A.W. Greenleaf, the treasurer of the Central Branch Union Pacific Railroad. The post office at Round Grove, Kansas; which had been known at various times as Prospect Hill and Hopper, was moved to Greenleaf when the railroad missed the settlement. As of the 2010 census, the city population was 331.