ZIP 51105 vs ZIP 51101

This side-by-side compares ZIP 51105 (Sioux City, IA) and ZIP 51101 (Sioux City, IA) using the same Census ACS 5-Year table fields for both, no averages swapped in, no national proxies. ZIP 51105 has a population of 10,216 at 649 people per square mile, while ZIP 51101 has 809 at 265 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 51105 reports a median household income of $51,786 against $15,300 in ZIP 51101, with per-capita income of $24,008 vs $21,580. The share of adults holding a bachelor's degree or higher is 7.8% in 51105 and 10.9% in 51101. Poverty rate reads 21.6% vs 48.1%, and unemployment 6.2% vs 14.5% - 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 $96,200 in 51105 versus - in 51101, with median rent of $859 and $708 per month respectively. Homeownership rate is 48.2% vs 3.4%. 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.