The neighborhood's name suggests proximity to the Harpeth River, a significant waterway in Middle Tennessee. This location may offer residents scenic views and recreational opportunities, contributing to a nature-oriented lifestyle.

Based on the 2022 population, Old Harpeth Estates is estimated to have 8-9 housing units. This limited number of homes suggests larger lot sizes and potentially higher-value properties, catering to residents who prioritize space and privacy while maintaining a sense of community.

The stability in population numbers over the years may indicate a high level of resident satisfaction and a strong sense of place attachment. Such communities often feature long-term residents who are invested in maintaining the area's character and quality of life.

Old Harpeth Estates presents as a tranquil, moderately populated rural neighborhood that has maintained its character over time while showing signs of modest growth. Its stable population and low density suggest a lifestyle that combines rural living with the advantages of being part of a larger metropolitan area.