21677 vs 21675 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21677, Orange = ZIP 21675.
Quick verdict: ZIP 21677 is wealthier, more diverse, higher work-from-home share. ZIP 21675 is lower poverty rate, lower unemployment, more educated.
Quick Facts
ZIP 21677
Madison CDP, MD
View full profile →- Population534
- Median Income$112,578
- Median Home Value$439k
- Median Age55.0 yrs
- Poverty Rate33.4%
ZIP 21675
MD
View full profile →- Population43
- Median Income$23,958
- Median Home Value—
- Median Age67.4 yrs
- Poverty Rate23.3%
Visual comparison (same scale)
Population
53443
Median Income
$112,578$23,958
Median Home Value
$439k—
Median Age
55.0 yrs67.4 yrs
Poverty Rate
33.4%23.3%
Demographics
ZIP 21677
Madison CDP, MD
View full profile →- White %98.7%
- Black %0.4%
- Asian %0.0%
- Hispanic %0.8%
- Age 0–17 %19.3%
- Age 18–64 %48.3%
- Age 65+ %32.4%
- Bachelor's+ %23.2%
- Diversity Index3/100
ZIP 21675
MD
View full profile →- White %100.0%
- Black %0.0%
- Asian %0.0%
- Hispanic %0.0%
- Age 0–17 %0.0%
- Age 18–64 %39.5%
- Age 65+ %60.5%
- Bachelor's+ %25.6%
- Diversity Index0/100
Visual comparison (same scale)
White %
98.7%100.0%
Black %
0.4%0.0%
Asian %
0.0%0.0%
Hispanic %
0.8%0.0%
Age 0–17 %
19.3%0.0%
Age 18–64 %
48.3%39.5%
Age 65+ %
32.4%60.5%
Bachelor's+ %
23.2%25.6%
Diversity Index
3/1000/100
Economy
ZIP 21677
Madison CDP, MD
View full profile →- Median Income$112,578
- Unemployment %10.3%
- IRS Net Migration+31
- Work From Home %3.8%
- Mean Commute (min)—
ZIP 21675
MD
View full profile →- Median Income$23,958
- Unemployment %0.0%
- IRS Net Migration+3
- Work From Home %0.0%
- Mean Commute (min)11 min
Visual comparison (same scale)
Median Income
$112,578$23,958
Unemployment %
10.3%0.0%
IRS Net Migration
+31+3
Work From Home %
3.8%0.0%
Mean Commute (min)
—11 min
Housing
ZIP 21677
Madison CDP, MD
View full profile →- Median Home Value$439k
- Owner Occupied %86.7%
- Broadband %90.5%
- Vacant %24.4%
- Median Year Built1980
ZIP 21675
MD
View full profile →- Median Home Value—
- Owner Occupied %100.0%
- Broadband %85.2%
- Vacant %64.0%
- Median Year Built1941
Visual comparison (same scale)
Median Home Value
$439k—
Owner Occupied %
86.7%100.0%
Broadband %
90.5%85.2%
Vacant %
24.4%64.0%
Median Year Built
19801941
Climate & Location
ZIP 21677
Madison CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)10 ft
- Nearest Airport18.2 miles (29.3 km)
- Distance to Coast2.1 miles (3.4 km)
ZIP 21675
MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)39 ft
- Nearest Airport17.5 miles (28.1 km)
- Distance to Coast0.5 miles (0.8 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
10 ft39 ft
Nearest Airport
18.2 miles (29.3 km)17.5 miles (28.1 km)
Distance to Coast
2.1 miles (3.4 km)0.5 miles (0.8 km)
Infrastructure
ZIP 21677
Madison CDP, MD
View full profile →- Mean Commute (min)—
- Work From Home %3.8%
- Walkability (0–100)18
- Broadband %90.5%
ZIP 21675
MD
View full profile →- Mean Commute (min)11 min
- Work From Home %0.0%
- Walkability (0–100)20
- Broadband %85.2%
Visual comparison (same scale)
Mean Commute (min)
—11 min
Work From Home %
3.8%0.0%
Walkability (0–100)
1820
Broadband %
90.5%85.2%
Frequently Asked Questions
How do ZIP 21677 and 21675 compare?
ZIP 21677 is wealthier, more diverse, higher work-from-home share. ZIP 21675 is lower poverty rate, lower unemployment, more educated.
What do the blue and orange colors mean?
Blue represents the first ZIP (21677), orange the second (21675). 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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