ZIP 91916 vs ZIP 91931

This side-by-side compares ZIP 91916 (Descanso, CA) and ZIP 91931 (Guatay, CA) using the same Census ACS 5-Year table fields for both — no averages swapped in, no national proxies. ZIP 91916 has a population of 1,622 at 16 people per square mile, while ZIP 91931 has 592 at 16 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 91916 reports a median household income of $103,438 against $63,750 in ZIP 91931, with per-capita income of $48,634 vs $34,239. The share of adults holding a bachelor's degree or higher is 18.9% in 91916 and 22.6% in 91931. Poverty rate reads 3.8% vs 3.6%, and unemployment 1.5% 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 $676,800 in 91916 versus — in 91931, with median rent of $3,000 and — per month respectively. Homeownership rate is 78.3% vs 81.4%. 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.