21824 vs 21821 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21824, Orange = ZIP 21821.
Quick verdict: ZIP 21824 is wealthier, lower poverty rate, lower unemployment, higher work-from-home share. ZIP 21821 is higher home values, more diverse, more educated.
Quick Facts
ZIP 21824
Smith Island CDP, MD
View full profile →- Population234
- Median Income$87,938
- Median Home Value$109k
- Median Rent—
- Median Age48.6 yrs
- Poverty Rate7.7%
ZIP 21821
Dames Quarter CDP, MD
View full profile →- Population736
- Median Income$51,500
- Median Home Value$152k
- Median Rent$1,045
- Median Age56.5 yrs
- Poverty Rate15.4%
Visual comparison (same scale)
Population
234736
Median Income
$87,938$51,500
Median Home Value
$109k$152k
Median Rent
—$1,045
Median Age
48.6 yrs56.5 yrs
Poverty Rate
7.7%15.4%
Demographics
ZIP 21824
Smith Island CDP, MD
View full profile →- White %99.2%
- Black %0.0%
- Asian %0.0%
- Hispanic %0.0%
- Age 0–17 %22.6%
- Age 18–64 %40.2%
- Age 65+ %37.2%
- Bachelor's+ %1.1%
- Diversity Index2/100
ZIP 21821
Dames Quarter CDP, MD
View full profile →- White %90.9%
- Black %4.3%
- Asian %0.0%
- Hispanic %4.5%
- Age 0–17 %10.6%
- Age 18–64 %59.0%
- Age 65+ %30.4%
- Bachelor's+ %8.4%
- Diversity Index17/100
Visual comparison (same scale)
White %
99.2%90.9%
Black %
0.0%4.3%
Asian %
0.0%0.0%
Hispanic %
0.0%4.5%
Age 0–17 %
22.6%10.6%
Age 18–64 %
40.2%59.0%
Age 65+ %
37.2%30.4%
Bachelor's+ %
1.1%8.4%
Diversity Index
2/10017/100
Economy
ZIP 21824
Smith Island CDP, MD
View full profile →- Median Income$87,938
- Unemployment %0.0%
- IRS Net Migration+14
- Work From Home %19.0%
- Mean Commute (min)64 min
ZIP 21821
Dames Quarter CDP, MD
View full profile →- Median Income$51,500
- Unemployment %1.9%
- IRS Net Migration+43
- Work From Home %8.0%
- Mean Commute (min)—
Visual comparison (same scale)
Median Income
$87,938$51,500
Unemployment %
0.0%1.9%
IRS Net Migration
+14+43
Work From Home %
19.0%8.0%
Mean Commute (min)
64 min—
Housing
ZIP 21824
Smith Island CDP, MD
View full profile →- Median Home Value$109k
- Median Rent—
- Owner Occupied %80.2%
- Broadband %58.5%
- Vacant %29.8%
- Median Year Built1938
ZIP 21821
Dames Quarter CDP, MD
View full profile →- Median Home Value$152k
- Median Rent$1,045
- Owner Occupied %89.8%
- Broadband %68.4%
- Vacant %50.8%
- Median Year Built1965
Visual comparison (same scale)
Median Home Value
$109k$152k
Median Rent
—$1,045
Owner Occupied %
80.2%89.8%
Broadband %
58.5%68.4%
Vacant %
29.8%50.8%
Median Year Built
19381965
Climate & Location
ZIP 21824
Smith Island CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)21 ft
- Nearest Airport29.3 miles (47.2 km)
- Distance to Coast0.5 miles (0.8 km)
ZIP 21821
Dames Quarter CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)10 ft
- Nearest Airport25.2 miles (40.5 km)
- Distance to Coast1.0 miles (1.6 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
21 ft10 ft
Nearest Airport
29.3 miles (47.2 km)25.2 miles (40.5 km)
Distance to Coast
0.5 miles (0.8 km)1.0 miles (1.6 km)
Infrastructure
ZIP 21824
Smith Island CDP, MD
View full profile →- Mean Commute (min)64 min
- Work From Home %19.0%
- Walkability (0–100)18
- Broadband %58.5%
ZIP 21821
Dames Quarter CDP, MD
View full profile →- Mean Commute (min)—
- Work From Home %8.0%
- Walkability (0–100)18
- Broadband %68.4%
Visual comparison (same scale)
Mean Commute (min)
64 min—
Work From Home %
19.0%8.0%
Walkability (0–100)
1818
Broadband %
58.5%68.4%
Frequently Asked Questions
How do ZIP 21824 and 21821 compare?
ZIP 21824 is wealthier, lower poverty rate, lower unemployment, higher work-from-home share. ZIP 21821 is higher home values, more diverse, more educated.
What do the blue and orange colors mean?
Blue represents the first ZIP (21824), orange the second (21821). 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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