ZIP code 20690, corresponding to Tall Timbers in Maryland, has experienced fluctuations in population and population density over the past decade. With a land area of 3.02 square miles, the population has ranged from a low of 568 in 2012 to a high of 981 in 2020. The most recent data from 2022 shows a population of 884 and a population density of 292.72 people per square mile.

Given the population density of 292.72 people per square mile in 2022, this ZIP code falls within the rural classification. Rural areas are characterized by larger living spaces, ranging from 1 to 5 acres, fewer public services, and lower infrastructure density compared to more urban areas. The lifestyle in rural areas is typically community-oriented, often centered around local schools and small businesses, with activities such as hobby farming, horse ownership, and significant outdoor activities.

The estimated number of housing units corresponding to the 2022 population, based on the national average household size of 2.61, is approximately 339. This suggests that the area is likely composed of single-family homes or small multi-unit dwellings, consistent with the rural classification.