Based on the historical population data for the ZIP code 21029 in Columbia, Maryland, the area has experienced steady population growth and increasing population density over the past decade. The population has risen from 11,484 in 2010 to 12,968 in 2022, while the population density has increased from 715.51 people per square mile in 2010 to 807.98 people per square mile in 2022.

With a current population density of 807.98 people per square mile, the ZIP code falls within the suburban rural classification. This suggests that the area is characterized by clustered housing developments with typical lot sizes around 1 acre, blending rural openness with suburban amenities. The lifestyle in this area is likely to be family-oriented, with access to community centers, parks, and a balance between quieter neighborhoods and proximity to suburban conveniences.

The estimated housing units corresponding to the 2022 population is 4,968.58, indicating a moderate level of urban development activity in the area. As the population continues to grow, it is probable that the area will experience further development and a gradual shift towards a more suburban lifestyle.