New Hope is an unincorporated community and census-designated place in Nelson County, Kentucky, United States. Its population was 129 as of the 2010 census. New Hope has a post office with ZIP code 40052, which opened on April 5, 1844.According to the U.S. Census Bureau, the community has an area of 0.622 square miles; 0.617 square miles of its area is land, and 0.005 square miles is water.