Highview is a former census-designated place in Jefferson County, Kentucky, United States. The population was 15,161 at the 2000 census. On January 6, 2003, the area was annexed to the city of Louisville due to a merger between the city and Jefferson County's unincorporated communities. Highview is now a neighborhood within the city limits o…Highview is a former census-designated place in Jefferson County, Kentucky, United States. The population was 15,161 at the 2000 census. On January 6, 2003, the area was annexed to the city of Louisville due to a merger between the city and Jefferson County's unincorporated communities. Highview is now a neighborhood within the city limits of Louisville.