Based on the historical population data provided for ZIP code 17545 (Penryn, Pennsylvania), the area has experienced steady population growth over the past decade. The population increased from 21,419 in 2010 to 24,243 in 2022, with a corresponding increase in population density from 289.76 people per square mile to 327.96 people per square mile during the same period.

Given the current population density of 327.96 people per square mile, the area can be classified as rural. Rural areas are typically characterized by larger living spaces, ranging from 1 to 5 acres per household, and a lower density of infrastructure and public services compared to more urban areas. The lifestyle in rural areas is often community-oriented, centered around local schools and small businesses, with residents engaging in activities such as hobby farming, horse ownership, and outdoor recreational pursuits.

The consistent population growth in ZIP code 17545 suggests that the area is experiencing some level of urban development activity. As the population continues to increase, it is likely that the area will see a gradual shift towards more clustered housing developments and an increase in the density of infrastructure and services. However, given the current population density, it is expected that the area will maintain its predominantly rural character in the near future.