ZIP 15621 vs ZIP 15689

Source:

Calumet, PA — United, PA

This side-by-side compares ZIP 15621 (Calumet, PA) and ZIP 15689 (United, PA) using the same Census ACS 5-Year table fields for both — no averages swapped in, no national proxies. ZIP 15621 has a population of 47 at 2,826 people per square mile, while ZIP 15689 has 229 at 875 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 15621 reports a median household income of against in ZIP 15689, with per-capita income of vs $27,186. The share of adults holding a bachelor's degree or higher is in 15621 and 0.0% in 15689. Poverty rate reads vs 9.8%, and unemployment 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 in 15621 versus in 15689, with median rent of and per month respectively. Homeownership rate is vs 47.5%. 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
15621
Calumet, PA
15689
United, PA
Population 47 229
Median Household Income
Per Capita Income $27,186
Median Age 55.1
Bachelor's Degree or Higher 0.0%
Poverty Rate 9.8%
Unemployment Rate 0.0%
Median Home Value
Median Rent (monthly)
Homeownership Rate 47.5%
Population Density (per sq mi) 2,826 875

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

Full Profile
15621
Calumet, PA
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15689
United, PA
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What are common questions about this comparison?

How do ZIP codes 15621 and 15689 compare?
ZIP 15621 (Calumet, PA) has a population of 47 and a median household income of —. ZIP 15689 (United, PA) has a population of 229 and a median household income of —.
Which ZIP code has higher income, 15621 or 15689?
Income data is not available for one or both of these ZIP codes.
How do I compare two ZIP codes on PlainZIP?
Visit plainzip.com/compare, enter two 5-digit U.S. ZIP codes, and click Compare. You can also navigate directly to /compare/XXXXX-vs-YYYYY to share a specific comparison.

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.