The historical population data for the ZIP code 21770 in Green Valley, Maryland, reveals a predominantly suburban rural lifestyle and development pattern. The population density in 2022 was 520.24 people per square mile, placing it within the suburban rural range of 500 to 1,000 people per square mile.

Over the past decade, the population in this ZIP code has fluctuated, with a slight overall decline from 6,400 in 2010 to 6,014 in 2022. The population density has also varied, reaching a low of 467.04 people per square mile in 2017 before increasing to its current level. These fluctuations suggest that the area has experienced some demographic changes, possibly due to factors such as economic conditions, housing availability, or local development initiatives.

Given the suburban rural classification, residents in this ZIP code likely enjoy a blend of rural openness and suburban amenities. The estimated 2,304 housing units corresponding to the 2022 population indicate that the area features clustered housing developments with typical lot sizes around 1 acre. This allows for a lifestyle that combines the quieter, more spacious aspects of rural living with access to suburban conveniences such as community centers, parks, and local businesses.