21921 vs 21904 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21921, Orange = ZIP 21904.
Quick verdict: ZIP 21921 is wealthier, lower unemployment, more diverse, more educated. ZIP 21904 is higher home values, more affordable rent, lower poverty rate, higher work-from-home share.
Quick Facts
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%
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%
Visual comparison (same scale)
Population
45,6986,401
Median Income
$84,608$84,375
Median Home Value
$296k$319k
Median Rent
$1,168$994
Median Age
39.1 yrs40.9 yrs
Poverty Rate
13.7%7.5%
Demographics
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
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
Visual comparison (same scale)
White %
77.5%86.6%
Black %
9.8%6.3%
Asian %
1.7%0.2%
Hispanic %
6.3%8.6%
Age 0–17 %
23.0%22.8%
Age 18–64 %
60.9%63.4%
Age 65+ %
16.1%13.8%
Bachelor's+ %
27.9%25.2%
Diversity Index
38/10024/100
Economy
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%
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%
Visual comparison (same scale)
Median Income
$84,608$84,375
Unemployment %
3.9%5.1%
IRS Net Migration
+2,685+376
Work From Home %
8.8%9.7%
Housing
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
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
Visual comparison (same scale)
Median Home Value
$296k$319k
Median Rent
$1,168$994
Owner Occupied %
68.3%84.4%
Broadband %
90.0%95.0%
Vacant %
6.9%13.3%
Median Year Built
19871990
Climate & Location
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)
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)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
106 ft40 ft
Nearest Airport
13.9 miles (22.4 km)11.6 miles (18.7 km)
Distance to Coast
2.5 miles (4.1 km)2.9 miles (4.6 km)
Infrastructure
ZIP 21921
Elkton town, MD
View full profile →- Work From Home %8.8%
- Walkability (0–100)38
- Broadband %90.0%
ZIP 21904
Port Deposit town, MD
View full profile →- Work From Home %9.7%
- Walkability (0–100)25
- Broadband %95.0%
Visual comparison (same scale)
Work From Home %
8.8%9.7%
Walkability (0–100)
3825
Broadband %
90.0%95.0%
Frequently Asked Questions
How do ZIP 21921 and 21904 compare?
ZIP 21921 is wealthier, lower unemployment, more diverse, more educated. ZIP 21904 is higher home values, more affordable rent, lower poverty rate, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (21921), orange the second (21904). 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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