The economic trends correlate with demographic shifts in the area. The period of increasing income from 2013 to 2019 coincides with a slight decrease in the Hispanic population and an increase in the Asian population. The significant income spike in 2021 correlates with a small increase in the Black population.

The median household income in this zip code ($91,536 in 2022) is higher than the national median ($70,784 in 2021), indicating a relatively affluent area. The racial composition, while still majority white, is more diverse than many parts of the country, reflecting Los Angeles's multicultural character. The slight increase in diversity over time aligns with national trends towards increasing racial and ethnic diversity in urban areas.

In conclusion, the 91040 zip code in Los Angeles remains a "White Majority" area but shows signs of slowly transitioning towards greater diversity. The area has maintained a relatively high median income throughout the decade, with some fluctuations. These trends suggest a slowly evolving community that is becoming more diverse while maintaining its economic stability, reflecting broader patterns of demographic change in urban America.