Population Non-Hispanic American Indian % by Zip Code (ZCTA5) — Connecticut

NOTE: Gray indicates insufficient data or a suppressed estimate.

The vast majority of Connecticut zip codes register near 0% Non-Hispanic American Indian population, with the state appearing almost uniformly dark purple across its extent. A notable exception emerges in the southeastern portion of the state, likely corresponding to the Mashantucket Pequot and Mohegan tribal reservation areas near Ledyard and Montville, where one small zip code reaches approximately 20-25% and adjacent areas show elevated percentages in the 3-10% range. This highly concentrated geographic pattern reflects the presence of federally recognized tribal lands as the primary driver of spatial variation in this demographic measure.

Data: U.S. Census Bureau, 2023 ACS

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