The historical population data for the ZIP code 60474, which corresponds to South Wilmington in Illinois, indicates that the area has consistently maintained a very low population density over the past decade. With a land area of 0.32 square miles and a population ranging from 15 to 23 individuals between 2010 and 2022, the population density has fluctuated between 46.88 and 71.88 people per square mile.

Based on the 2022 population of 16 and a corresponding population density of 50.0 people per square mile, this ZIP code can be classified as a remote rural area. Remote rural areas are characterized by sparse populations, minimal infrastructure, and limited services. The lifestyle in such areas is predominantly agricultural or undeveloped, with a focus on privacy and self-sustainability. Residents often engage in outdoor and recreational activities due to the natural environment.

Given the national average household size of 2.61, the estimated number of housing units corresponding to the 2022 population is approximately 6. This suggests that the area is likely composed of large, sprawling properties with ample open space between households.