21903 vs 21921 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21903, Orange = ZIP 21921.
Quick verdict: ZIP 21903 is more affordable rent, lower poverty rate, higher work-from-home share. ZIP 21921 is wealthier, higher home values, lower unemployment, more diverse, more educated.
Quick Facts
ZIP 21903
Perryville town, MD
View full profile →- Population5,679
- Median Income$77,500
- Median Home Value$272k
- Median Rent$960
- Median Age43.0 yrs
- Poverty Rate12.1%
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
5,67945,698
Median Income
$77,500$84,608
Median Home Value
$272k$296k
Median Rent
$960$1,168
Median Age
43.0 yrs39.1 yrs
Poverty Rate
12.1%13.7%
Demographics
ZIP 21903
Perryville town, MD
View full profile →- White %80.3%
- Black %11.1%
- Asian %0.0%
- Hispanic %5.0%
- Age 0–17 %22.1%
- Age 18–64 %59.4%
- Age 65+ %18.5%
- Bachelor's+ %21.6%
- Diversity Index34/100
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 %
80.3%77.5%
Black %
11.1%9.8%
Asian %
0.0%1.7%
Hispanic %
5.0%6.3%
Age 0–17 %
22.1%23.0%
Age 18–64 %
59.4%60.9%
Age 65+ %
18.5%16.1%
Bachelor's+ %
21.6%27.9%
Diversity Index
34/10038/100
Economy
ZIP 21903
Perryville town, MD
View full profile →- Median Income$77,500
- Unemployment %4.7%
- IRS Net Migration+334
- Work From Home %11.9%
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
$77,500$84,608
Unemployment %
4.7%3.9%
IRS Net Migration
+334+2,685
Work From Home %
11.9%8.8%
Housing
ZIP 21903
Perryville town, MD
View full profile →- Median Home Value$272k
- Median Rent$960
- Owner Occupied %75.9%
- Broadband %95.7%
- Vacant %5.3%
- Median Year Built1980
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
$272k$296k
Median Rent
$960$1,168
Owner Occupied %
75.9%68.3%
Broadband %
95.7%90.0%
Vacant %
5.3%6.9%
Median Year Built
19801987
Climate & Location
ZIP 21903
Perryville town, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)40 ft
- Nearest Airport10.1 miles (16.3 km)
- Distance to Coast1.0 miles (1.7 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
10.1 miles (16.3 km)13.9 miles (22.4 km)
Distance to Coast
1.0 miles (1.7 km)2.5 miles (4.1 km)
Infrastructure
ZIP 21903
Perryville town, MD
View full profile →- Work From Home %11.9%
- Walkability (0–100)55
- Broadband %95.7%
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 %
11.9%8.8%
Walkability (0–100)
5538
Broadband %
95.7%90.0%
Frequently Asked Questions
How do ZIP 21903 and 21921 compare?
ZIP 21903 is more affordable rent, lower poverty rate, higher work-from-home share. ZIP 21921 is wealthier, higher home values, lower unemployment, more diverse, more educated.
What do the blue and orange colors mean?
Blue represents the first ZIP (21903), 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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