The zip code 22640 in Chester Gap, Virginia, is classified as a "Low Diversity" area as of 2022. The community has a white racial majority, with 84% of the population identifying as white. The median income for this area in 2022 was $82,793, indicating a relatively affluent community. Chester Gap has a population of 745 as of 2022, characterizing it as a small, predominantly white community that has undergone some demographic and economic changes over the past decade.

Throughout the period from 2013 to 2022, Chester Gap has maintained its status as a "Low Diversity" area with a strong white majority. However, there have been subtle shifts in the racial composition. The white population percentage has decreased slightly from 87% in 2013 to 84% in 2022, indicating a minor trend towards increased diversity. The black population has shown some fluctuation, increasing from 6% in 2013 to 8% in 2020, then settling at 7% in 2022. The Hispanic population has remained relatively stable, fluctuating between 3% and 6% throughout the period. The community has seen a small increase in people identifying as two or more races, from 4% in 2013 to 4% in 2022, with some fluctuations in between.

The economic landscape of Chester Gap has shown significant positive growth over the past decade. Median income has increased substantially from $57,430 in 2013 to $82,793 in 2022, representing a 44% increase over nine years. This income growth has occurred despite fluctuations in population, which decreased from 682 in 2013 to a low of 642 in 2014, then rebounded to 745 in 2022. The increase in median income suggests improving economic conditions for residents, which may be attracting a slightly more diverse population to the area. However, the persistent low diversity indicates that these economic improvements have not yet led to significant demographic changes.