Household Average Size by Zip Code (ZCTA5) — Tampa Metro

NOTE: Gray indicates insufficient data or a suppressed estimate.

Household sizes in the Tampa metro skew notably smaller on the Pinellas County side, with St. Petersburg and its surrounding zip codes registering averages frequently below 2.0, likely reflecting the area's higher concentration of retirees and single-person households. In contrast, the southeastern portions of Hillsborough County—particularly the suburban corridors south and east of Tampa—display consistently larger household sizes in the 2.8–3.2 range, indicative of family-oriented suburban development. A single zip code just south of Tampa along the bay stands out with the highest values (approximately 3.5), while a small cluster near downtown St. Petersburg marks the metro's lowest at roughly 1.5.

Data: U.S. Census Bureau, 2023 ACS

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