21904 vs 21921 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21904, Orange = ZIP 21921.
Quick verdict: ZIP 21904 is higher home values, more affordable rent, lower poverty rate, higher work-from-home share. ZIP 21921 is wealthier, lower unemployment, more diverse, more educated.
Quick Facts
ZIP 21904
Port Deposit town, MD
View full profile →- Population6,401
- Median Income$84,375
- Median Home Value$319k
- Median Rent$994
- Median Age40.9 yrs
- Poverty Rate7.5%
ZIP 21921
Elkton town, MD
View full profile →- Population45,698
- Median Income$84,608
- Median Home Value$296k
- Median Rent$1,168
- Median Age39.1 yrs
- Poverty Rate13.7%
Visual comparison (same scale)
Population
6,40145,698
Median Income
$84,375$84,608
Median Home Value
$319k$296k
Median Rent
$994$1,168
Median Age
40.9 yrs39.1 yrs
Poverty Rate
7.5%13.7%
Demographics
ZIP 21904
Port Deposit town, MD
View full profile →- White %86.6%
- Black %6.3%
- Asian %0.2%
- Hispanic %8.6%
- Age 0–17 %22.8%
- Age 18–64 %63.4%
- Age 65+ %13.8%
- Bachelor's+ %25.2%
- Diversity Index24/100
ZIP 21921
Elkton town, MD
View full profile →- White %77.5%
- Black %9.8%
- Asian %1.7%
- Hispanic %6.3%
- Age 0–17 %23.0%
- Age 18–64 %60.9%
- Age 65+ %16.1%
- Bachelor's+ %27.9%
- Diversity Index38/100
Visual comparison (same scale)
White %
86.6%77.5%
Black %
6.3%9.8%
Asian %
0.2%1.7%
Hispanic %
8.6%6.3%
Age 0–17 %
22.8%23.0%
Age 18–64 %
63.4%60.9%
Age 65+ %
13.8%16.1%
Bachelor's+ %
25.2%27.9%
Diversity Index
24/10038/100
Economy
ZIP 21904
Port Deposit town, MD
View full profile →- Median Income$84,375
- Unemployment %5.1%
- IRS Net Migration+376
- Work From Home %9.7%
ZIP 21921
Elkton town, MD
View full profile →- Median Income$84,608
- Unemployment %3.9%
- IRS Net Migration+2,685
- Work From Home %8.8%
Visual comparison (same scale)
Median Income
$84,375$84,608
Unemployment %
5.1%3.9%
IRS Net Migration
+376+2,685
Work From Home %
9.7%8.8%
Housing
ZIP 21904
Port Deposit town, MD
View full profile →- Median Home Value$319k
- Median Rent$994
- Owner Occupied %84.4%
- Broadband %95.0%
- Vacant %13.3%
- Median Year Built1990
ZIP 21921
Elkton town, MD
View full profile →- Median Home Value$296k
- Median Rent$1,168
- Owner Occupied %68.3%
- Broadband %90.0%
- Vacant %6.9%
- Median Year Built1987
Visual comparison (same scale)
Median Home Value
$319k$296k
Median Rent
$994$1,168
Owner Occupied %
84.4%68.3%
Broadband %
95.0%90.0%
Vacant %
13.3%6.9%
Median Year Built
19901987
Climate & Location
ZIP 21904
Port Deposit town, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)40 ft
- Nearest Airport11.6 miles (18.7 km)
- Distance to Coast2.9 miles (4.6 km)
ZIP 21921
Elkton town, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)106 ft
- Nearest Airport13.9 miles (22.4 km)
- Distance to Coast2.5 miles (4.1 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
40 ft106 ft
Nearest Airport
11.6 miles (18.7 km)13.9 miles (22.4 km)
Distance to Coast
2.9 miles (4.6 km)2.5 miles (4.1 km)
Infrastructure
ZIP 21904
Port Deposit town, MD
View full profile →- Work From Home %9.7%
- Walkability (0–100)25
- Broadband %95.0%
ZIP 21921
Elkton town, MD
View full profile →- Work From Home %8.8%
- Walkability (0–100)38
- Broadband %90.0%
Visual comparison (same scale)
Work From Home %
9.7%8.8%
Walkability (0–100)
2538
Broadband %
95.0%90.0%
Frequently Asked Questions
How do ZIP 21904 and 21921 compare?
ZIP 21904 is higher home values, more affordable rent, lower poverty rate, higher work-from-home share. ZIP 21921 is wealthier, lower unemployment, more diverse, more educated.
What do the blue and orange colors mean?
Blue represents the first ZIP (21904), orange the second (21921). 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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