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

NOTE: Gray indicates insufficient data or a suppressed estimate.

The majority of Tennessee's zip codes report U.S. citizenship rates above 95% among the adult population, with near-universal citizenship (99–100%) predominating across rural areas in West and East Tennessee. Notable clusters of lower citizenship rates (75–90%) concentrate around the Nashville metropolitan area in the center of the state, with additional pockets near Memphis in the southwest corner and smaller clusters in the Knoxville and Chattanooga regions. The Nashville core contains the state's lowest values, dipping below 80% in several zip codes, reflecting the city's role as a primary destination for immigrant and refugee populations in Tennessee.

Data: U.S. Census Bureau, 2023 ACS

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