The median income in South Greenfield has shown an upward trend over the past decade, increasing from $29,447 in 2013 to $43,995 in 2022, representing a 49.4% increase. A significant increase occurred between 2016 and 2017, from $36,229 to $42,655.

The population has fluctuated and ultimately decreased during the same period, from 408 in 2013 to 389 in 2022. The population reached a low of 302 in 2016 and a high of 468 in 2019. The inverse relationship between population decline and income growth suggests that remaining residents may have experienced improved economic conditions.

The trend of rural areas experiencing population decline is common across the United States. Many rural communities face challenges in retaining younger residents and attracting new ones, often due to limited economic opportunities or preferences for urban living.

The increase in median income is a positive indicator for the community, suggesting local economic improvement or adaptation. This trend may be part of a broader pattern of economic restructuring in rural areas, where traditional industries are replaced by new economic activities that provide higher incomes but require fewer workers.

The persistent lack of racial diversity in South Greenfield contrasts with national trends towards increasing diversity. This stability in racial composition may reflect limited immigration or in-migration to the area, influenced by factors such as geographic isolation, limited job markets, or cultural preferences.

South Greenfield has maintained its status as a "Low Diversity" community over the past decade while experiencing notable economic improvements as evidenced by rising median incomes. The community's future challenge may be to leverage this economic growth to attract new residents and potentially increase diversity, if desired, while maintaining the quality of life for its current inhabitants.