ZIP 51523 vs ZIP 51545

Source:

Blencoe, IA — Little Sioux, IA

This side-by-side compares ZIP 51523 (Blencoe, IA) and ZIP 51545 (Little Sioux, IA) using the same Census ACS 5-Year table fields for both — no averages swapped in, no national proxies. ZIP 51523 has a population of 357 at 3 people per square mile, while ZIP 51545 has 378 at 3 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 51523 reports a median household income of $82,625 against $70,313 in ZIP 51545, with per-capita income of $40,604 vs $32,551. The share of adults holding a bachelor's degree or higher is 18.9% in 51523 and 5.8% in 51545. Poverty rate reads 8.2% vs 16.1%, and unemployment 3.9% vs 0.8% — 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 $136,800 in 51523 versus $80,000 in 51545, with median rent of $857 and $508 per month respectively. Homeownership rate is 79.3% vs 85.5%. 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.

Compare different ZIP codes:

vs
Metric
51523
Blencoe, IA
51545
Little Sioux, IA
Population 357 378
Median Household Income $82,625 $70,313
Per Capita Income $40,604 $32,551
Median Age 50.2 58.7
Bachelor's Degree or Higher 18.9% 5.8%
Poverty Rate 8.2% 16.1%
Unemployment Rate 3.9% 0.8%
Median Home Value $136,800 $80,000
Median Rent (monthly) $857 $508
Homeownership Rate 79.3% 85.5%
Population Density (per sq mi) 3 3

Values highlighted in green indicate the better metric where applicable. Source: U.S. Census Bureau ACS 2023.

Full Profile
51523
Blencoe, IA
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51545
Little Sioux, IA
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What are common questions about this comparison?

How do ZIP codes 51523 and 51545 compare?
ZIP 51523 (Blencoe, IA) has a population of 357 and a median household income of $82,625. ZIP 51545 (Little Sioux, IA) has a population of 378 and a median household income of $70,313.
Which ZIP code has higher income, 51523 or 51545?
ZIP 51523 (Blencoe, IA) has a higher median household income of $82,625 compared to $70,313 for ZIP 51545.
How do I compare two ZIP codes on PlainZIP?
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All data sourced from the U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023).

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.

Data sourced from official U.S. Census ACS and HUD-USPS ZIP crosswalk data. See our methodology for details. Retrieved and formatted by PlainZIP Editorial.