The median income in this zip code has fluctuated over the years but has generally remained high, ranging from about $106,000 to $137,000. The highest median income of $137,491 was recorded in 2017 when the community was transitioning from a white majority to a more diverse composition. The population has grown from 5,371 in 2010 to 11,316 in 2022, more than doubling in size. This rapid growth, combined with the high median income, suggests that this area has been attractive to new residents.

The demographic shifts observed in this zip code align with broader trends seen in many urban and suburban areas across the United States, where increasing diversity is becoming common. The growth of the Hispanic population reflects larger demographic shifts occurring throughout Texas and the Southwest. The high median income in this zip code, consistently above $100,000, places it well above the national median household income. This suggests that while the area is becoming more diverse, it remains an affluent enclave within San Antonio.

The rapid population growth in this zip code outpaces the overall growth rate of San Antonio and Texas, indicating that this particular area is especially attractive to new residents. This could be due to factors such as new housing developments, good schools, or proximity to employment centers. Zip code 78256 in San Antonio represents a dynamic, growing, and increasingly diverse community. Its evolution from a predominantly white area to one of moderate diversity, coupled with sustained high incomes and rapid population growth, indicates a desirable suburban area undergoing significant demographic changes.