NOTE: Gray indicates insufficient data or a suppressed estimate.
Fairfield County's Gold Coast communities along the southwestern shoreline and several suburban zip codes in the Hartford-to-New Haven corridor display the highest concentrations of bachelor's degree attainment, frequently exceeding 50%, while urban cores in Bridgeport, New Haven, Hartford, and Waterbury stand out as dark purple pockets with rates falling below 15%. The rural northeastern corner (Windham County) and portions of eastern Connecticut generally trend toward lower educational attainment in the 20–35% range, creating a broad east-west gradient that contrasts with the more affluent western half of the state.
Data: U.S. Census Bureau, 2023 ACS
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