NOTE: Gray indicates insufficient data or a suppressed estimate.
The highest concentrations of non-citizen adult populations cluster in the central Piedmont urban corridor—particularly around Charlotte, the Research Triangle, and Greensboro—where several zip codes fall below 85% U.S. citizenship among adults over 18. Rural areas across the western mountains, northeastern Coastal Plain, and southern border counties consistently approach or reach 100% citizenship rates, creating a stark urban-rural divide. A secondary cluster of lower citizenship percentages appears in select agricultural zip codes in the southeastern part of the state, likely reflecting immigrant labor populations tied to farming and food processing industries.
Data: U.S. Census Bureau, 2023 ACS
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