ZIP 23356 vs ZIP 21864

Source:

Greenbackville, VA — Stockton, MD

This side-by-side compares ZIP 23356 (Greenbackville, VA) and ZIP 21864 (Stockton, MD) using the same Census ACS 5-Year table fields for both — no averages swapped in, no national proxies. ZIP 23356 has a population of 1,246 at 135 people per square mile, while ZIP 21864 has 611 at 11 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 23356 reports a median household income of $101,855 against $82,917 in ZIP 21864, with per-capita income of $45,213 vs $41,678. The share of adults holding a bachelor's degree or higher is 35.9% in 23356 and 17.3% in 21864. Poverty rate reads 0.0% vs 3.5%, and unemployment 1.4% vs 6.4% — 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 $269,500 in 23356 versus $163,500 in 21864, with median rent of and per month respectively. Homeownership rate is 96.6% vs 90.9%. 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
23356
Greenbackville, VA
21864
Stockton, MD
Population 1,246 611
Median Household Income $101,855 $82,917
Per Capita Income $45,213 $41,678
Median Age 52.3 49.9
Bachelor's Degree or Higher 35.9% 17.3%
Poverty Rate 0.0% 3.5%
Unemployment Rate 1.4% 6.4%
Median Home Value $269,500 $163,500
Median Rent (monthly)
Homeownership Rate 96.6% 90.9%
Population Density (per sq mi) 135 11

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

Full Profile
23356
Greenbackville, VA
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Full Profile
21864
Stockton, MD
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What are common questions about this comparison?

How do ZIP codes 23356 and 21864 compare?
ZIP 23356 (Greenbackville, VA) has a population of 1,246 and a median household income of $101,855. ZIP 21864 (Stockton, MD) has a population of 611 and a median household income of $82,917.
Which ZIP code has higher income, 23356 or 21864?
ZIP 23356 (Greenbackville, VA) has a higher median household income of $101,855 compared to $82,917 for ZIP 21864.
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.