ZIP code 21046, located in Columbia, Maryland, has experienced steady population growth over the past decade, with the population increasing from 15,413 in 2010 to 15,954 in 2022. The population density has also increased from 1,886.54 people per square mile in 2010 to 1,952.75 people per square mile in 2022. Given the ZIP code's size of 8.17 square miles, the estimated number of housing units corresponding to the 2022 population is 6,112, assuming the national average household size of 2.61.

Based on the population density of 1,952.75 people per square mile in 2022, ZIP code 21046 can be classified as a suburban area. Suburban areas typically feature a mix of residential types, including single-family homes, townhouses, and some multi-family dwellings. The lot sizes in suburban areas generally range from 0.25 to 1 acre, providing residents with a balance between living space and proximity to neighbors.

The lifestyle in suburban areas like ZIP code 21046 is often family-oriented, with good access to schools, parks, and shopping centers. These areas promote an active community life through sports leagues, homeowners associations, and local festivals. Residents in suburban areas enjoy the benefits of a quieter, more spacious living environment compared to urban areas while still having access to various amenities and services.