NOTE: Gray indicates insufficient data or a suppressed estimate.
Zip codes in the Kansas City and St. Louis metropolitan suburban rings display notably higher average household sizes (3.0–3.5+), reflecting family-oriented residential patterns, while the urban cores of both cities drop sharply to 1.5–2.0, consistent with higher concentrations of single-person households and smaller rental units. Rural southern Missouri generally clusters around 2.3–2.8, with scattered pockets of yellow (3.0+) likely corresponding to communities with younger families or particular demographic compositions. College towns such as Columbia and Springfield show distinctly lower values in their central zip codes, creating visible dark-teal islands amid the surrounding moderate-sized household areas.
Data: U.S. Census Bureau, 2023 ACS
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- Housing Vacancy Rate by Zip Code (ZCTA5) — Missouri
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- % of Population without Health Insurance, by Zip Code (ZCTA5) — Tennessee
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