The zip code 63084 in Union, Missouri, is classified as a "Low Diversity" community with a "Racial Majority" as of 2022. The area is predominantly white, comprising 90% of the population, with a median income of $62,907. An examination of demographic data over the past decade indicates subtle but significant changes in the community's composition and economic landscape.

Over the past decade, Union has maintained its status as a "Low Diversity" area with a strong "White Majority." However, there are indications of a gradual shift towards becoming a "Transitional Community". The white population has decreased from 97% in 2014 to 90% in 2022, indicating a slow but steady diversification. There has been a notable increase in the "Two or More Races" category, rising from 0% in 2017 to 6% in 2022. Small but consistent increases in Black, Hispanic, and Asian populations suggest an emerging trend towards greater diversity.

The demographic shifts correlate with changes in median income and population. Median income has shown overall growth, rising from $53,660 in 2013 to $62,907 in 2022, a 17.2% increase. Population has grown from 17,403 in 2013 to 19,269 in 2022, a 10.7% increase. These economic trends suggest that as the community becomes slightly more diverse, it is also experiencing economic growth.