Based on the historical population data for the ZIP code 21628 in Crumpton, Maryland, the area has experienced fluctuations in population and population density over the past decade. The population reached its peak in 2014 at 107 residents, with a corresponding population density of 157.35 people per square mile. However, the population has declined in recent years, with the 2022 population standing at 69 residents and a population density of 101.47 people per square mile.

Given the current population density of 101.47 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 per household, and lower infrastructure density compared to more populous areas. The lifestyle in rural areas is generally community-oriented, often centered around local schools and small businesses, with residents engaging in activities such as hobby farming, horse ownership, and outdoor recreational pursuits.

The estimated number of housing units corresponding to the 2022 population is approximately 26, based on the national average household size of 2.61 people per household. This relatively low number of housing units is consistent with the rural nature of the area, where households tend to occupy larger parcels of land.