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

NOTE: Gray indicates insufficient data or a suppressed estimate.

Household sizes in the Denver metro area exhibit a clear core-periphery gradient, with the smallest averages (1.5–2.0) concentrated in central Denver zip codes and progressively larger households toward the suburban and exurban fringe. The northeast corridor extending beyond Thornton and the far eastern areas near Aurora display the highest average household sizes (3.0–3.5+), likely reflecting newer family-oriented subdivisions and more diverse immigrant communities. A notable yellow-shaded cluster east of Aurora stands out as a peak outlier above 3.5, while Lakewood and the southwestern suburbs maintain moderate values in the 2.2–2.6 range.

Data: U.S. Census Bureau, 2023 ACS

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