21856 vs 21840 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21856, Orange = ZIP 21840.
Quick verdict: ZIP 21856 is lower unemployment, more diverse, more educated, higher work-from-home share. ZIP 21840 is wealthier, lower poverty rate.
Quick Facts
ZIP 21856
Quantico CDP, MD
View full profile →- Population816
- Median Income$77,946
- Median Home Value$243k
- Median Age52.6 yrs
- Poverty Rate16.7%
ZIP 21840
Nanticoke CDP, MD
View full profile →- Population573
- Median Income$120,324
- Median Home Value—
- Median Age48.5 yrs
- Poverty Rate0.0%
Visual comparison (same scale)
Population
816573
Median Income
$77,946$120,324
Median Home Value
$243k—
Median Age
52.6 yrs48.5 yrs
Poverty Rate
16.7%0.0%
Demographics
ZIP 21856
Quantico CDP, MD
View full profile →- White %65.4%
- Black %27.0%
- Asian %0.0%
- Hispanic %0.0%
- Age 0–17 %9.1%
- Age 18–64 %62.0%
- Age 65+ %28.9%
- Bachelor's+ %19.6%
- Diversity Index49/100
ZIP 21840
Nanticoke CDP, MD
View full profile →- White %74.0%
- Black %0.0%
- Asian %0.0%
- Hispanic %0.0%
- Age 0–17 %27.8%
- Age 18–64 %43.1%
- Age 65+ %29.1%
- Bachelor's+ %17.6%
- Diversity Index38/100
Visual comparison (same scale)
White %
65.4%74.0%
Black %
27.0%0.0%
Asian %
0.0%0.0%
Hispanic %
0.0%0.0%
Age 0–17 %
9.1%27.8%
Age 18–64 %
62.0%43.1%
Age 65+ %
28.9%29.1%
Bachelor's+ %
19.6%17.6%
Diversity Index
49/10038/100
Economy
ZIP 21856
Quantico CDP, MD
View full profile →- Median Income$77,946
- Unemployment %4.4%
- IRS Net Migration+48
- Work From Home %20.3%
ZIP 21840
Nanticoke CDP, MD
View full profile →- Median Income$120,324
- Unemployment %19.7%
- IRS Net Migration+34
- Work From Home %0.0%
Visual comparison (same scale)
Median Income
$77,946$120,324
Unemployment %
4.4%19.7%
IRS Net Migration
+48+34
Work From Home %
20.3%0.0%
Housing
ZIP 21856
Quantico CDP, MD
View full profile →- Median Home Value$243k
- Owner Occupied %80.6%
- Broadband %79.1%
- Vacant %23.1%
- Median Year Built1978
ZIP 21840
Nanticoke CDP, MD
View full profile →- Median Home Value—
- Owner Occupied %78.2%
- Broadband %100.0%
- Vacant %52.2%
- Median Year Built1962
Visual comparison (same scale)
Median Home Value
$243k—
Owner Occupied %
80.6%78.2%
Broadband %
79.1%100.0%
Vacant %
23.1%52.2%
Median Year Built
19781962
Climate & Location
ZIP 21856
Quantico CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)10 ft
- Nearest Airport15.4 miles (24.8 km)
- Distance to Coast1.6 miles (2.6 km)
ZIP 21840
Nanticoke CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)10 ft
- Nearest Airport22.1 miles (35.5 km)
- Distance to Coast0.4 miles (0.7 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
10 ft10 ft
Nearest Airport
15.4 miles (24.8 km)22.1 miles (35.5 km)
Distance to Coast
1.6 miles (2.6 km)0.4 miles (0.7 km)
Infrastructure
ZIP 21856
Quantico CDP, MD
View full profile →- Work From Home %20.3%
- Walkability (0–100)22
- Broadband %79.1%
ZIP 21840
Nanticoke CDP, MD
View full profile →- Work From Home %0.0%
- Walkability (0–100)22
- Broadband %100.0%
Visual comparison (same scale)
Work From Home %
20.3%0.0%
Walkability (0–100)
2222
Broadband %
79.1%100.0%
Frequently Asked Questions
How do ZIP 21856 and 21840 compare?
ZIP 21856 is lower unemployment, more diverse, more educated, higher work-from-home share. ZIP 21840 is wealthier, lower poverty rate.
What do the blue and orange colors mean?
Blue represents the first ZIP (21856), orange the second (21840). The same colors are used in the map markers and comparison bars.
Where does this data come from?
Data is from the U.S. Census Bureau and other federal sources. See our Methodology page for details.
How can I compare other ZIP codes?
From any ZIP page, use the "Compare with Another ZIP" tool, or go to /compare/XXXXX-vs-YYYYY (replace with two 5-digit ZIP codes).
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