ZIP 92391 vs ZIP 92378

This side-by-side compares ZIP 92391 (Twin Peaks, CA) and ZIP 92378 (Rimforest, CA) using the same Census ACS 5-Year table fields for both — no averages swapped in, no national proxies. ZIP 92391 has a population of 2,534 at 419 people per square mile, while ZIP 92378 has 183 at 85 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 92391 reports a median household income of $81,789 against $105,294 in ZIP 92378, with per-capita income of $30,629 vs $63,322. The share of adults holding a bachelor's degree or higher is 16.8% in 92391 and 41.9% in 92378. Poverty rate reads 13.9% vs 11.4%, and unemployment 2.4% 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 $340,500 in 92391 versus $461,500 in 92378, with median rent of $2,589 and — per month respectively. Homeownership rate is 74.5% vs 81.7%. 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.