ZIP 94070 vs ZIP 94002

This side-by-side compares ZIP 94070 (San Carlos, CA) and ZIP 94002 (Belmont, CA) using the same Census ACS 5-Year table fields for both — no averages swapped in, no national proxies. ZIP 94070 has a population of 29,166 at 1,836 people per square mile, while ZIP 94002 has 25,992 at 1,773 per square mile. That difference in population size and density alone reshapes how every other metric should be interpreted — a higher-income ZIP with 1,200 residents behaves very differently from one with 45,000.

On income and education, ZIP 94070 reports a median household income of $240,074 against $203,965 in ZIP 94002, with per-capita income of $128,170 vs $100,792. The share of adults holding a bachelor's degree or higher is 70.5% in 94070 and 69.4% in 94002. Poverty rate reads 3.3% vs 7.0%, and unemployment 5.0% vs 7.2% — these four fields alone drive most of the difference in the scorecard grades you will see for each ZIP.

Housing separates these two ZIPs further: median home value sits at $2,000,001 in 94070 versus $2,000,001 in 94002, with median rent of $2,854 and $2,872 per month respectively. Homeownership rate is 68.6% vs 55.0%. When reading the comparison table below, focus on paired metrics rather than single winners — a ZIP with lower home values and lower income is not strictly "worse" if rent-to-income ratios and commute times land in the same zone. Every value is pulled from the exact same ACS table so the two columns are genuinely comparable.