According to the historical population data for ZIP code 19606 in Reiffton, Pennsylvania, the area has experienced consistent population growth from 35,447 in 2010 to 37,088 in 2022. The population density has also increased from 1,282.45 people per square mile in 2010 to 1,341.82 people per square mile in 2022. With a total area of 27.64 square miles, the estimated housing units corresponding to the 2022 population is 14,209, based on the national average household size of 2.61.

The current population density of 1,341.82 people per square mile suggests that Reiffton falls within the suburban classification. Suburban areas typically feature a mix of residential types, including single-family homes and denser developments, with lot sizes varying from 0.25 to 1 acre. The lifestyle in suburban areas 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 consistent population growth and increasing population density over the past 12 years indicate that Reiffton has been experiencing steady urban development. As the population continues to grow, it is likely that the area will see further residential and commercial development to accommodate the increasing number of residents. This may include the construction of new housing units, schools, and community amenities to support the growing population.