21781 vs 21742 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21781, Orange = ZIP 21742.
Quick verdict: ZIP 21742 is wealthier, lower poverty rate, lower unemployment, more diverse, more educated, higher work-from-home share.
Quick Facts
ZIP 21781
St. James CDP, MD
View full profile →- Population34
- Median Income$0
- Median Home Value—
- Median Rent—
- Median Age18.8 yrs
- Poverty Rate100.0%
ZIP 21742
Fountainhead-Orchard Hills CDP, MD
View full profile →- Population35,114
- Median Income$80,533
- Median Home Value$280k
- Median Rent$1,137
- Median Age41.3 yrs
- Poverty Rate11.3%
Visual comparison (same scale)
Population
3435,114
Median Income
$0$80,533
Median Home Value
—$280k
Median Rent
—$1,137
Median Age
18.8 yrs41.3 yrs
Poverty Rate
100.0%11.3%
Demographics
ZIP 21781
St. James CDP, MD
View full profile →- White %82.3%
- Black %5.9%
- Asian %8.8%
- Hispanic %5.9%
- Age 0–17 %35.3%
- Age 18–64 %64.7%
- Age 65+ %0.0%
- Bachelor's+ %0.0%
- Diversity Index31/100
ZIP 21742
Fountainhead-Orchard Hills CDP, MD
View full profile →- White %73.2%
- Black %10.4%
- Asian %2.7%
- Hispanic %10.4%
- Age 0–17 %23.8%
- Age 18–64 %57.5%
- Age 65+ %18.7%
- Bachelor's+ %29.9%
- Diversity Index44/100
Visual comparison (same scale)
White %
82.3%73.2%
Black %
5.9%10.4%
Asian %
8.8%2.7%
Hispanic %
5.9%10.4%
Age 0–17 %
35.3%23.8%
Age 18–64 %
64.7%57.5%
Age 65+ %
0.0%18.7%
Bachelor's+ %
0.0%29.9%
Diversity Index
31/10044/100
Economy
ZIP 21781
St. James CDP, MD
View full profile →- Median Income$0
- Unemployment %81.3%
- IRS Net Migration+2
- Work From Home %0.0%
- Mean Commute (min)3 min
ZIP 21742
Fountainhead-Orchard Hills CDP, MD
View full profile →- Median Income$80,533
- Unemployment %4.9%
- IRS Net Migration+2,063
- Work From Home %12.6%
- Mean Commute (min)—
Visual comparison (same scale)
Median Income
$0$80,533
Unemployment %
81.3%4.9%
IRS Net Migration
+2+2,063
Work From Home %
0.0%12.6%
Mean Commute (min)
3 min—
Housing
ZIP 21781
St. James CDP, MD
View full profile →- Median Home Value—
- Median Rent—
- Owner Occupied %—
- Broadband %—
- Vacant %—
- Median Year Built1800
ZIP 21742
Fountainhead-Orchard Hills CDP, MD
View full profile →- Median Home Value$280k
- Median Rent$1,137
- Owner Occupied %66.6%
- Broadband %90.0%
- Vacant %5.6%
- Median Year Built1980
Visual comparison (same scale)
Median Home Value
—$280k
Median Rent
—$1,137
Owner Occupied %
—66.6%
Broadband %
—90.0%
Vacant %
—5.6%
Median Year Built
18001980
Climate & Location
ZIP 21781
St. James CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)532 ft
- Nearest Airport9.7 miles (15.5 km)
- Distance to Coast57.2 miles (92.1 km)
ZIP 21742
Fountainhead-Orchard Hills CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)532 ft
- Nearest Airport4.5 miles (7.3 km)
- Distance to Coast60.0 miles (96.5 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
532 ft532 ft
Nearest Airport
9.7 miles (15.5 km)4.5 miles (7.3 km)
Distance to Coast
57.2 miles (92.1 km)60.0 miles (96.5 km)
Infrastructure
ZIP 21781
St. James CDP, MD
View full profile →- Mean Commute (min)3 min
- Work From Home %0.0%
- Walkability (0–100)—
- Broadband %—
ZIP 21742
Fountainhead-Orchard Hills CDP, MD
View full profile →- Mean Commute (min)—
- Work From Home %12.6%
- Walkability (0–100)38
- Broadband %90.0%
Visual comparison (same scale)
Mean Commute (min)
3 min—
Work From Home %
0.0%12.6%
Walkability (0–100)
—38
Broadband %
—90.0%
Frequently Asked Questions
How do ZIP 21781 and 21742 compare?
ZIP 21742 is wealthier, lower poverty rate, lower unemployment, more diverse, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (21781), orange the second (21742). 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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