Park Hills is a home rule-class city in Kenton County, Kentucky, in the United States, and a suburb of Cincinnati, Ohio. The population was 2,970 at the 2010 census. Much of the city was listed on the National Register of Historic Places in 2008 as the Park Hills Historic District.
The area of present-day Park Hills was subdivided and settled c. 1845 on land owned by Messrs. Coran, Corry, and Spencer. This community remained quite small until D. Collins Lee and Robert Simmons developed the area in 1926 and incorporated the present city the next year.
Park Hills is located at 39°4′13″N 84°31′51″W (39.070261, -84.530854), 2.5 miles (4.0 km) from downtown Cincinnati, Ohio, and approximately 10 miles (16 km) from the Cincinnati/Northern Kentucky International Airport (CVG). According to the United States Census Bureau, the city has a total area of 0.8 square miles (2.1 km2), all land. The city is part of the Bluegrass Region of the Commonwealth of Kentucky, part of the Upland South region of the United States.
As of the census of 2000, there were 2,977 people, 1,382 households, and 725 families residing in the city. The population density was 3,840.2 people per square mile (1,473.6/km2). There were 1,523 housing units at an average density of 1,964.6 per square mile (753.9/km2).