Based on the historical population data for ZIP code 20685 in St. Leonard, Maryland, the area has experienced relatively stable population levels over the past decade. The population in 2022 stood at 5,180, with a corresponding population density of 162.54 people per square mile. This population density places the area firmly in the "Rural" classification, which is characterized by larger living spaces, fewer public services, and lower infrastructure density compared to more urban areas.

The lifestyle in this rural setting is likely to be community-oriented, centered around local schools and small businesses. Residents may engage in activities such as hobby farming, horse ownership, and significant outdoor activities, taking advantage of the natural environment and open spaces.

The estimated 1,985 housing units in the area, based on the national average household size, suggest a low-density residential pattern with ample space between homes.