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Demographic Analysis of Zip Code 91789: Asian Majority and Racial Composition Trends
CATEGORY
Demographics
DATA
Population
Median Income
Racial Distributions
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Demographics
Population
Median Income
Racial Distributions
The zip code 91789 in Walnut, California, is classified as a "Racial Majority" community with a significant Asian population as of 2022. Asians constitute 61% of the total population, representing the dominant racial group. The area has a median income of $102,215 and a population of 43,375, indicating an affluent and densely populated suburban community.
This zip code has maintained its status as an "Asian Majority" community over the past decade. The Asian population has increased from 58% in 2013 to 61% in 2022. The area has consistently been classified as having "Moderate Diversity," with notable representation from Hispanic (22-23%) and White (decreasing from 14% to 11%) populations. The Black population has remained stable at 2-3%, while those identifying as two or more races have slightly increased from 1% to 3%.
The median income in the area has grown from $97,692 in 2013 to $102,215 in 2022, with a peak of $116,986 in 2021. This upward trend in income correlates with the increasing Asian population. The population has slightly decreased from 45,448 in 2013 to 43,375 in 2022, potentially indicating a trend towards smaller household sizes or a shift towards more affluent, smaller families moving into the area.
The demographic composition of this zip code, with its strong Asian majority, differs from the overall California population, which is known for its diversity. However, this demographic pattern is not uncommon in certain suburban areas of Southern California, particularly those near tech hubs or prestigious educational institutions.
The median income in this zip code ($102,215 in 2022) exceeds the California state median income (approximately $78,672 in 2021), indicating that this is a relatively affluent area within the state. The slight population decrease, despite rising incomes, may reflect broader trends seen in some California communities, where housing costs and other factors have led to some outmigration, particularly among middle-income families.
The 91789 zip code in Walnut represents a stable, affluent Asian-majority community with moderate diversity. It has maintained its demographic character over the past decade while experiencing economic growth and a slight population decrease, potentially indicating a shift towards smaller, more affluent households. These trends suggest that the area continues to attract Asian families, possibly due to a combination of economic opportunities, cultural amenities, and established community networks.
