19940 vs 21830 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 19940, Orange = ZIP 21830.
Quick verdict: ZIP 19940 is more affordable rent, more diverse. ZIP 21830 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share.
Quick Facts
ZIP 19940
Delmar town, DE
View full profile →- Population7,108
- Median Income$63,361
- Median Home Value$226k
- Median Rent$773
- Median Age41.7 yrs
- Poverty Rate14.2%
ZIP 21830
Quantico CDP, MD
View full profile →- Population5,001
- Median Income$110,015
- Median Home Value$245k
- Median Rent$1,100
- Median Age38.9 yrs
- Poverty Rate6.4%
Visual comparison (same scale)
Population
7,1085,001
Median Income
$63,361$110,015
Median Home Value
$226k$245k
Median Rent
$773$1,100
Median Age
41.7 yrs38.9 yrs
Poverty Rate
14.2%6.4%
Demographics
ZIP 19940
Delmar town, DE
View full profile →- White %67.0%
- Black %16.5%
- Asian %1.7%
- Hispanic %10.4%
- Age 0–17 %25.3%
- Age 18–64 %56.6%
- Age 65+ %18.1%
- Bachelor's+ %21.9%
- Diversity Index51/100
ZIP 21830
Quantico CDP, MD
View full profile →- White %80.4%
- Black %13.6%
- Asian %0.2%
- Hispanic %2.7%
- Age 0–17 %24.0%
- Age 18–64 %62.4%
- Age 65+ %13.6%
- Bachelor's+ %39.2%
- Diversity Index33/100
Visual comparison (same scale)
White %
67.0%80.4%
Black %
16.5%13.6%
Asian %
1.7%0.2%
Hispanic %
10.4%2.7%
Age 0–17 %
25.3%24.0%
Age 18–64 %
56.6%62.4%
Age 65+ %
18.1%13.6%
Bachelor's+ %
21.9%39.2%
Diversity Index
51/10033/100
Economy
ZIP 19940
Delmar town, DE
View full profile →- Median Income$63,361
- Unemployment %6.4%
- IRS Net Migration+331
- Work From Home %10.8%
ZIP 21830
Quantico CDP, MD
View full profile →- Median Income$110,015
- Unemployment %4.6%
- IRS Net Migration+294
- Work From Home %14.9%
Visual comparison (same scale)
Median Income
$63,361$110,015
Unemployment %
6.4%4.6%
IRS Net Migration
+331+294
Work From Home %
10.8%14.9%
Housing
ZIP 19940
Delmar town, DE
View full profile →- Median Home Value$226k
- Median Rent$773
- Owner Occupied %82.6%
- Broadband %80.3%
- Vacant %13.3%
- Median Year Built1991
ZIP 21830
Quantico CDP, MD
View full profile →- Median Home Value$245k
- Median Rent$1,100
- Owner Occupied %86.3%
- Broadband %94.2%
- Vacant %3.7%
- Median Year Built1998
Visual comparison (same scale)
Median Home Value
$226k$245k
Median Rent
$773$1,100
Owner Occupied %
82.6%86.3%
Broadband %
80.3%94.2%
Vacant %
13.3%3.7%
Median Year Built
19911998
Climate & Location
ZIP 19940
Delmar town, DE
View full profile →- Snow Days/Year0 days
- Elevation (ft)20 ft
- Nearest Airport9.9 miles (16.0 km)
- Distance to Coast10.5 miles (16.9 km)
ZIP 21830
Quantico CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)20 ft
- Nearest Airport12.8 miles (20.6 km)
- Distance to Coast2.2 miles (3.5 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
20 ft20 ft
Nearest Airport
9.9 miles (16.0 km)12.8 miles (20.6 km)
Distance to Coast
10.5 miles (16.9 km)2.2 miles (3.5 km)
Infrastructure
ZIP 19940
Delmar town, DE
View full profile →- Work From Home %10.8%
- Walkability (0–100)30
- Broadband %80.3%
ZIP 21830
Quantico CDP, MD
View full profile →- Work From Home %14.9%
- Walkability (0–100)27
- Broadband %94.2%
Visual comparison (same scale)
Work From Home %
10.8%14.9%
Walkability (0–100)
3027
Broadband %
80.3%94.2%
Frequently Asked Questions
How do ZIP 19940 and 21830 compare?
ZIP 19940 is more affordable rent, more diverse. ZIP 21830 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (19940), orange the second (21830). 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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