ZIP code 21090, which encompasses the Linthicum in Maryland, has experienced a gradual population increase from 8,925 in 2010 to 9,683 in 2022. During this period, the population density has also risen from 1,310.57 people per square mile to 1,421.88 people per square mile. These figures indicate that the area falls within the suburban classification, characterized by population densities between 1,000 and 3,000 people per square mile.

The lifestyle in this suburban area is likely to be family-oriented, with access to local schools, parks, and shopping centers. The community life may revolve around sports leagues, homeowners associations, and local festivals, fostering an active and engaged population. The estimated 3,709 housing units in 2022, based on the national average household size of 2.61, suggest a mix of residential types and denser developments compared to rural areas.

Over the 12-year period, the population has grown by approximately 8.5 percent, with an average annual growth rate of 0.7 percent. This steady growth indicates that the area has been attracting new residents consistently, likely due to its appealing suburban lifestyle and proximity to urban amenities. The increasing population density also suggests that the area has been experiencing urban development activity, such as the construction of new housing units and infrastructure improvements to accommodate the growing population.