Lake Heritage is a census-designated place (CDP) in Adams County, Pennsylvania, United States.

The outlet of the lake flows into White Run, a tributary of Rock Creek, one of the headwater streams of the Monocacy River and part of the Potomac River watershed.

[4] As of the census[7] of 2000, there were 1,136 people, 445 households, and 356 families residing in the CDP.

There were 508 housing units at an average density of 770.9 per square mile (297.6/km2).

16.4% of all households were made up of individuals, and 6.7% had someone living alone who was 65 years of age or older.