Based on the historical population data for the ZIP code 20839 in Poolesville, Maryland, the area has experienced steady population growth over the past decade. The population increased from 284 in 2010 to 394 in 2022, with a corresponding increase in population density from 46.94 people per square mile to 65.12 people per square mile.

Given the current population density of 65.12 people per square mile, the area can be classified as rural. Rural areas are characterized by larger living spaces, typically ranging from 1 to 5 acres, and a lower density of public services and infrastructure compared to more urban areas. The lifestyle in rural areas is often community-oriented, centered around local schools and small businesses, with activities such as hobby farming, horse ownership, and significant outdoor pursuits.

The estimated number of housing units corresponding to the 2022 population is 150.96, calculated using the national average household size of 2.61 people per household. This suggests that the area has a relatively low density of housing units, consistent with the rural classification.