The ZIP code 17540, which corresponds to Leola in Pennsylvania, has experienced steady population growth from 9,092 in 2010 to 9,982 in 2022. The population density has increased from 457.34 people per square mile in 2010 to 502.11 people per square mile in 2022, indicating a gradual increase in the concentration of residents within the 19.88 square mile area.

With a current population density of 502.11 people per square mile, ZIP code 17540 can be classified as a suburban rural area. This classification suggests that the area is transitioning from a traditional rural setting to a more clustered housing development pattern, with typical lot sizes around 1 acre. The lifestyle in such areas often blends the openness of rural living with the amenities of suburban life, making it an attractive option for families seeking quieter neighborhoods close to nature while still having access to conveniences like community centers and parks.

The estimated number of housing units corresponding to the 2022 population, based on the national average household size of 2.61, is approximately 3,825. This figure indicates a moderate level of urban development activity in the area, as the housing stock has likely expanded to accommodate the growing population over the years.