ZIP 94920 vs ZIP 94964

This side-by-side compares ZIP 94920 (Belvedere Tiburon, CA) and ZIP 94964 (San Quentin, CA) using the same Census ACS 5-Year table fields for both — no averages swapped in, no national proxies. ZIP 94920 has a population of 12,474 at 737 people per square mile, while ZIP 94964 has 5,094 at 5,060 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 94920 reports a median household income of $246,045 against $115,192 in ZIP 94964, with per-capita income of $156,030 vs $14,731. The share of adults holding a bachelor's degree or higher is 81.7% in 94920 and 7.0% in 94964. Poverty rate reads 2.6% vs 18.3%, and unemployment 8.2% vs 0.0% — 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 94920 versus — in 94964, with median rent of $3,501 and — per month respectively. Homeownership rate is 72.3% vs 44.6%. 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.