ZIP 91977 vs ZIP 91941

This side-by-side compares ZIP 91977 (Spring Valley, CA) and ZIP 91941 (La Mesa, CA) using the same Census ACS 5-Year table fields for both — no averages swapped in, no national proxies. ZIP 91977 has a population of 58,368 at 2,333 people per square mile, while ZIP 91941 has 31,779 at 1,522 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 91977 reports a median household income of $99,657 against $115,381 in ZIP 91941, with per-capita income of $39,866 vs $57,539. The share of adults holding a bachelor's degree or higher is 27.7% in 91977 and 47.2% in 91941. Poverty rate reads 9.7% vs 7.2%, and unemployment 8.7% vs 5.1% — 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 $665,600 in 91977 versus $928,700 in 91941, with median rent of $1,925 and $2,147 per month respectively. Homeownership rate is 63.8% vs 67.5%. 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.