NOTE: Gray indicates insufficient data or a suppressed estimate.
Household sizes in Kentucky tend to be largest in the rural western portion of the state and in scattered suburban zip codes ringing Louisville and the northern Kentucky/Cincinnati metro fringe, where several ZCTAs reach 3.0 or above. The smallest average household sizes—dropping to 1.5–1.8—cluster in eastern Kentucky's Appalachian coalfield communities and in urban cores such as Lexington and Louisville, likely reflecting higher concentrations of single-person households and aging populations. A broad central swath of the state hovers near the statewide median around 2.3–2.5, with pockets of notably higher values appearing in southeastern Kentucky, possibly tied to larger family structures in specific rural communities.
Data: U.S. Census Bureau, 2023 ACS
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