U.S. Citizens (% of Population Over 18) by Zip Code (ZCTA5) — Atlanta Metro

NOTE: Gray indicates insufficient data or a suppressed estimate.

Zip codes in the Brookhaven–Sandy Springs–Chamblee corridor and portions of northeast Atlanta exhibit the lowest U.S. citizenship rates among adults, dropping below 80%, likely reflecting concentrations of immigrant communities in those areas. The outer suburban and exurban ring—particularly to the northwest, west, and south—generally maintains citizenship rates above 90–95%, with several southern zip codes near and beyond Hartsfield-Jackson reaching near 100%. A secondary low-citizenship cluster appears in parts of Marietta and Smyrna, suggesting pockets of non-citizen populations along the I-75 and I-285 corridors in Cobb County.

Data: U.S. Census Bureau, 2023 ACS

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