ZIP 21001 vs ZIP 21130
Source:
Aberdeen, MD – Perryman, MD
This side-by-side compares ZIP 21001 (Aberdeen, MD) and ZIP 21130 (Perryman, MD) using the same Census ACS 5-Year table fields for both, no averages swapped in, no national proxies. ZIP 21001 has a population of 21,487 at 278 people per square mile, while ZIP 21130 has 187 at 95 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 21001 reports a median household income of $83,238 against $17,336 in ZIP 21130, with per-capita income of $41,898 vs $23,049. The share of adults holding a bachelor's degree or higher is 28.2% in 21001 and 0.0% in 21130. Poverty rate reads 12.7% vs 70.5%, and unemployment 5.7% 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 $285,800 in 21001 versus - in 21130, with median rent of $1,442 and - per month respectively. Homeownership rate is 63.3% vs 29.6%. 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:
| Metric | 21001 Aberdeen, MD | 21130 Perryman, MD |
|---|---|---|
| Population | 21,487 | 187 |
| Median Household Income | $83,238 | $17,336 |
| Per Capita Income | $41,898 | $23,049 |
| Median Age | 37.7 | 21.7 |
| Bachelor's Degree or Higher | 28.2% | 0.0% |
| Poverty Rate | 12.7% | 70.5% |
| Unemployment Rate | 5.7% | 0.0% |
| Median Home Value | $285,800 | - |
| Median Rent (monthly) | $1,442 | - |
| Homeownership Rate | 63.3% | 29.6% |
| Population Density (per sq mi) | 278 | 95 |
Values highlighted in green indicate the better metric where applicable. Source: U.S. Census Bureau ACS 2023.
What are common questions about this comparison?
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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.