ZipCrawl

NOTE: Gray indicates insufficient data or a suppressed estimate.

Household sizes in the San Diego metro area exhibit a clear coastal-inland gradient, with the smallest averages (1.5–2.0 persons) concentrated along the urban coastal core near downtown San Diego and Pacific Beach, while inland and southern zip codes—particularly around Chula Vista, the eastern exurbs, and the northeastern rural areas—trend toward 3.0–3.5 persons per household. The southern portion of the metro near the U.S.–Mexico border displays some of the highest household sizes, likely reflecting larger family structures in predominantly Hispanic communities. A notable cluster of mid-range values (2.5–2.8) spans the suburban middle ring through Poway, Santee, and La Mesa, forming a transitional band between the denser, smaller-household coastal zones and the larger-household periphery.

Data: U.S. Census Bureau, 2023 ACS