Based on the historical population data for ZIP code 61008 in Belvidere, Illinois, the area has experienced a relatively stable population over the past decade, with a slight increase from 33,233 in 2010 to 33,493 in 2022. The population density has also remained consistent, ranging from 391.29 to 399.24 people per square mile during this period, with the 2022 population density being 398.58 people per square mile.

Given the ZIP code's size of 84.03 square miles and the 2022 population of 33,493, the area can be classified as rural, as it falls within the range of 50 to 500 people per square mile. Rural areas are typically characterized by larger living spaces, ranging from 1 to 5 acres, with a community-oriented lifestyle centered around local schools and small businesses. Residents in rural areas often engage in activities such as hobby farming, horse ownership, and outdoor pursuits.

The estimated number of housing units corresponding to the 2022 population is 12,832.57, calculated using the national average household size of 2.61. This suggests that the area has a relatively low housing density, which is consistent with the characteristics of a rural lifestyle.