Highland Heights is a home rule-class city in Campbell County, Kentucky, in the United States. The population was 6,923 at the 2010 U.S. census.
Highland Heights is home to Northern Kentucky University and General Cable, a Fortune 500 company whose present headquarters were constructed in 1992. It is located in the Cincinnati metropolitan area.
The area has been known as "the Highlands" since the 19th century. The District of the Highlands was incorporated in 1867; Fort Thomas was separately incorporated from its northern reaches in 1914. The local post office was established in 1927, and the community of Highland Heights incorporated itself separately the same year.
Northern Kentucky State College, previously sited in Park Hills, was relocated to a larger campus in the city in 1971. It is now known as Northern Kentucky University (NKU), and subsidiary businesses and related developments have grown in the city.
Highland Heights is located in northern Campbell County at 39°2′24″N 84°27′21″W (39.040035, −84.455851). It is bordered to the north by Fort Thomas, to the west by Wilder, and to the south by Cold Spring. Interstate 275, the beltway around Cincinnati, runs along the western and northern edges of Highland Heights. Its interchange with Interstate 471 is at the northern border of Highland Heights.