21755 vs 21777 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21755, Orange = ZIP 21777.
Quick verdict: ZIP 21755 is higher home values, lower unemployment, more educated. ZIP 21777 is wealthier, lower poverty rate, more diverse, higher work-from-home share.
Quick Facts
ZIP 21755
Jefferson CDP, MD
View full profile →- Population5,740
- Median Income$134,677
- Median Home Value$494k
- Median Rent$1,073
- Median Age44.1 yrs
- Poverty Rate8.1%
ZIP 21777
Point of Rocks CDP, MD
View full profile →- Population2,333
- Median Income$136,827
- Median Home Value$441k
- Median Rent—
- Median Age43.6 yrs
- Poverty Rate1.6%
Visual comparison (same scale)
Population
5,7402,333
Median Income
$134,677$136,827
Median Home Value
$494k$441k
Median Rent
$1,073—
Median Age
44.1 yrs43.6 yrs
Poverty Rate
8.1%1.6%
Demographics
ZIP 21755
Jefferson CDP, MD
View full profile →- White %78.3%
- Black %3.9%
- Asian %2.3%
- Hispanic %16.3%
- Age 0–17 %20.6%
- Age 18–64 %60.6%
- Age 65+ %18.8%
- Bachelor's+ %42.2%
- Diversity Index36/100
ZIP 21777
Point of Rocks CDP, MD
View full profile →- White %67.1%
- Black %14.0%
- Asian %5.7%
- Hispanic %15.9%
- Age 0–17 %19.3%
- Age 18–64 %69.2%
- Age 65+ %11.5%
- Bachelor's+ %41.8%
- Diversity Index50/100
Visual comparison (same scale)
White %
78.3%67.1%
Black %
3.9%14.0%
Asian %
2.3%5.7%
Hispanic %
16.3%15.9%
Age 0–17 %
20.6%19.3%
Age 18–64 %
60.6%69.2%
Age 65+ %
18.8%11.5%
Bachelor's+ %
42.2%41.8%
Diversity Index
36/10050/100
Economy
ZIP 21755
Jefferson CDP, MD
View full profile →- Median Income$134,677
- Unemployment %3.6%
- IRS Net Migration+337
- Work From Home %19.4%
ZIP 21777
Point of Rocks CDP, MD
View full profile →- Median Income$136,827
- Unemployment %4.8%
- IRS Net Migration+137
- Work From Home %22.8%
Visual comparison (same scale)
Median Income
$134,677$136,827
Unemployment %
3.6%4.8%
IRS Net Migration
+337+137
Work From Home %
19.4%22.8%
Housing
ZIP 21755
Jefferson CDP, MD
View full profile →- Median Home Value$494k
- Median Rent$1,073
- Owner Occupied %84.8%
- Broadband %96.0%
- Vacant %4.3%
- Median Year Built1989
ZIP 21777
Point of Rocks CDP, MD
View full profile →- Median Home Value$441k
- Median Rent—
- Owner Occupied %99.6%
- Broadband %100.0%
- Vacant %0.0%
- Median Year Built1998
Visual comparison (same scale)
Median Home Value
$494k$441k
Median Rent
$1,073—
Owner Occupied %
84.8%99.6%
Broadband %
96.0%100.0%
Vacant %
4.3%0.0%
Median Year Built
19891998
Climate & Location
ZIP 21755
Jefferson CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)380 ft
- Nearest Airport22.4 miles (36.1 km)
- Distance to Coast39.4 miles (63.5 km)
ZIP 21777
Point of Rocks CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)380 ft
- Nearest Airport22.8 miles (36.8 km)
- Distance to Coast33.1 miles (53.3 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
380 ft380 ft
Nearest Airport
22.4 miles (36.1 km)22.8 miles (36.8 km)
Distance to Coast
39.4 miles (63.5 km)33.1 miles (53.3 km)
Infrastructure
ZIP 21755
Jefferson CDP, MD
View full profile →- Work From Home %19.4%
- Walkability (0–100)23
- Broadband %96.0%
ZIP 21777
Point of Rocks CDP, MD
View full profile →- Work From Home %22.8%
- Walkability (0–100)21
- Broadband %100.0%
Visual comparison (same scale)
Work From Home %
19.4%22.8%
Walkability (0–100)
2321
Broadband %
96.0%100.0%
Frequently Asked Questions
How do ZIP 21755 and 21777 compare?
ZIP 21755 is higher home values, lower unemployment, more educated. ZIP 21777 is wealthier, lower poverty rate, more diverse, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (21755), orange the second (21777). 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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