ZIP code 17313, encompassing Dallastown in Pennsylvania, has experienced steady population growth over the past decade, with the population increasing from 10,930 in 2010 to 12,051 in 2022. The area spans 9.44 square miles, resulting in a population density of 1,276.59 people per square mile as of 2022.

Given the population density, this ZIP code falls within the suburban classification, which typically features a mix of residential types and denser developments compared to rural areas. Lot sizes in suburban areas generally range from 0.25 to 1 acre, allowing for a balance between living space and population density.

The lifestyle in suburban areas like ZIP code 17313 is often family-oriented, with good access to schools, parks, and shopping centers. These areas promote an active community life through sports leagues, homeowners associations, and local festivals. The estimated 4,617 housing units in the ZIP code, based on the 2022 population and the national average household size of 2.61, further support the suburban character of the area.