The ZIP code 20625, corresponding to Cobb Island in Maryland, has experienced significant population growth and increasing population density over the past decade. The area has transitioned from a suburban rural classification in 2010, with a population density of 1,047.83 people per square mile, to a suburban classification by 2022, with a population density of 2,060.87 people per square mile.

This transition suggests that the lifestyle and urban development activity in the area have evolved to accommodate the growing population. The historical data indicates that the area has seen an increase in residential development, likely featuring a mix of housing types and denser developments compared to the earlier years. Typical lot sizes may have decreased from around 1 acre to smaller sizes, ranging from 0.25 to 1 acre, to accommodate the growing population within the limited land area of 0.46 square miles.

As the population density has increased, the lifestyle in the area has likely become more family-oriented, with better access to schools, parks, and shopping centers. The community life may have become more active, with the potential for sports leagues, homeowners associations, and local festivals. The estimated housing units corresponding to the 2022 population is 363.22, based on the national average household size of 2.61, indicating a substantial increase in residential development compared to earlier years.