Population Non-Hispanic Asian % by Zip Code (ZCTA5) — St. Louis Metro

NOTE: Gray indicates insufficient data or a suppressed estimate.

The highest concentrations of Non-Hispanic Asian residents in the St. Louis metro cluster in the western suburbs, particularly in the Chesterfield, Wildwood, and west St. Charles County corridors, where several zip codes reach 10–20% or higher. A notable west-to-east gradient is evident, with Asian population shares dropping sharply as zip codes approach the city of St. Louis and North County areas like Florissant, where percentages fall below 2%. A secondary pocket of moderate Asian population share appears in parts of south and central St. Louis County, likely corresponding to the University City and Clayton areas, contrasting with the very low percentages across most of the northern and southeastern portions of the metro.

Data: U.S. Census Bureau, 2023 ACS

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