The ZIP code 21087 in Kingsville, Maryland, has experienced a relatively stable population over the past decade, with a slight overall increase from 5,410 residents in 2010 to 5,445 in 2022. The population density has also remained consistent, hovering around 369.65 people per square mile in 2022, up from 367.28 in 2010.

Given the ZIP code's size of 14.73 square miles and its population density, the area can be classified as rural. Rural areas typically have population densities between 50 and 500 people per square mile, which aligns with the data for this ZIP code. The lifestyle in such areas is often community-oriented, centered around local schools and small businesses, with activities such as hobby farming, horse ownership, and outdoor activities being common due to the abundance of open spaces and natural environments.

The estimated number of housing units corresponding to the 2022 population is 2,086, based on the national average household size of 2.61. This suggests that the area is likely characterized by larger living spaces, ranging from 1 to 5 acres, and lower infrastructure density compared to more urban areas.