Based on the historical population data for the ZIP code 60549, which corresponds to Serena in Illinois, the area has experienced significant fluctuations in population and population density over the past decade. The population peaked in 2012 at 1,001 residents but has since declined to 658 in 2022. The current population density stands at 31.24 people per square mile, classifying the area as remote rural.

Remote rural areas are characterized by very 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. Common activities include outdoor and recreational pursuits, taking advantage of the natural environment. With an estimated 252 housing units corresponding to the 2022 population and a ZIP code size of 21.06 square miles, households in this area likely occupy large expanses of land, often more than 5 acres.

The declining population trend suggests that the area has not experienced significant urban development in recent years. The low population density and the remote rural classification indicate that the area has maintained its rural character, with limited growth in residential or commercial sectors.