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

NOTE: Gray indicates insufficient data or a suppressed estimate.

The St. Louis metro area exhibits a stark racial geographic divide, with zip codes in the central city and a corridor extending north through Florissant registering non-Hispanic white population shares below 20%, while surrounding suburban and exurban areas—particularly to the west toward St. Charles and St. Peters—consistently exceed 70-80%. A notable band of yellow-shaded zip codes with 90%+ white population percentages arcs along the northern and southern periphery of the metro, contrasting sharply with the deep purple core. The western suburbs show relatively uniform high white percentages, whereas the eastern portions of the metro display more granular variation, with pockets of moderate diversity interspersed among predominantly white zip codes.

Data: U.S. Census Bureau, 2023 ACS

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