The median income in Centereach increased from $102,341 in 2013 to $110,028 in 2022, an increase of about 7.5%. This growth was not linear. The median income peaked at $121,583 in 2021 before decreasing in 2022. As the community has become more diverse, it has also become more affluent overall.

The trends observed in Centereach align with patterns seen in many suburban areas across the United States. Many formerly homogeneous suburban communities have experienced increasing diversity over the past few decades, often driven by immigration and changing settlement patterns of minority groups.

Based on observed trends, Centereach will likely continue its transition towards greater diversity. Within the next 5-10 years, Centereach may shift from a "Low Diversity" classification to a "Moderate Diversity" category. The white population may decrease below 65%, while the Hispanic population could approach or exceed 20%.

Economically, the area is likely to remain relatively affluent, although future economic trends will depend on various factors including local economic development, national economic conditions, and the socioeconomic status of new residents.

Centereach is experiencing a gradual but significant demographic transition, moving from a predominantly white, low-diversity area to a more diverse community. This shift has been accompanied by overall economic growth, suggesting a dynamic and evolving local landscape that reflects broader national trends towards increasing suburban diversity.