ZIP 24221 vs ZIP 37731

Source:

Blackwater, VA — Eidson, TN

This side-by-side compares ZIP 24221 (Blackwater, VA) and ZIP 37731 (Eidson, TN) using the same Census ACS 5-Year table fields for both — no averages swapped in, no national proxies. ZIP 24221 has a population of 938 at 7 people per square mile, while ZIP 37731 has 711 at 6 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 24221 reports a median household income of $47,788 against $53,105 in ZIP 37731, with per-capita income of $29,513 vs $26,572. The share of adults holding a bachelor's degree or higher is 13.9% in 24221 and 12.3% in 37731. Poverty rate reads 16.7% vs 20.7%, and unemployment 0.6% 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 $119,500 in 24221 versus in 37731, with median rent of and per month respectively. Homeownership rate is 99.0% vs 85.1%. 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
24221
Blackwater, VA
37731
Eidson, TN
Population 938 711
Median Household Income $47,788 $53,105
Per Capita Income $29,513 $26,572
Median Age 59.4 36.2
Bachelor's Degree or Higher 13.9% 12.3%
Poverty Rate 16.7% 20.7%
Unemployment Rate 0.6% 0.0%
Median Home Value $119,500
Median Rent (monthly)
Homeownership Rate 99.0% 85.1%
Population Density (per sq mi) 7 6

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

Full Profile
24221
Blackwater, VA
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Full Profile
37731
Eidson, TN
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What are common questions about this comparison?

How do ZIP codes 24221 and 37731 compare?
ZIP 24221 (Blackwater, VA) has a population of 938 and a median household income of $47,788. ZIP 37731 (Eidson, TN) has a population of 711 and a median household income of $53,105.
Which ZIP code has higher income, 24221 or 37731?
ZIP 37731 (Eidson, TN) has a higher median household income of $53,105 compared to $47,788 for ZIP 24221.
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.