Richland is a borough in Lebanon County, Pennsylvania. It is part of the Lebanon County, Pennsylvania metropolitan statistical area. The population was 1,490 at the 2020 census. Richland is located at 40°21′26″N 76°15′26″W / 40.35722°N 76.25722°W. According to the U.S. Census Bureau, the borough has a total area of 1.6 square miles, all …Richland is a borough in Lebanon County, Pennsylvania. It is part of the Lebanon County, Pennsylvania metropolitan statistical area. The population was 1,490 at the 2020 census. Richland is located at 40°21′26″N 76°15′26″W / 40.35722°N 76.25722°W. According to the U.S. Census Bureau, the borough has a total area of 1.6 square miles, all land.