The historical population data for ZIP code 22645, which corresponds to Middletown in Virginia, indicates a consistently growing population over the past decade. The population increased from 3,578 in 2010 to 4,806 in 2022, representing a growth of approximately 34 percent during this period. The population density also increased from 99.03 people per square mile in 2010 to 133.02 people per square mile in 2022.

With a population density of 133.02 people per square mile in 2022, ZIP code 22645 falls within the rural classification. Rural areas are characterized by larger living spaces, typically ranging from 1 to 5 acres per household, and a lower density of public services and infrastructure compared to more urban areas. The lifestyle in rural areas is often community-oriented, centered around local schools and small businesses, with activities such as hobby farming, horse ownership, and outdoor recreational pursuits being common.

The estimated number of housing units corresponding to the 2022 population is 1,841, based on the national average household size of 2.61 people per household. This suggests that the area is primarily composed of single-family homes or small multi-family dwellings, which is consistent with the rural classification.