21675 vs 21677 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21675, Orange = ZIP 21677.
Quick verdict: ZIP 21675 is lower poverty rate, lower unemployment, more educated. ZIP 21677 is wealthier, more diverse, higher work-from-home share.
Quick Facts
ZIP 21675
MD
View full profile →- Population43
- Median Income$23,958
- Median Home Value—
- Median Age67.4 yrs
- Poverty Rate23.3%
ZIP 21677
Madison CDP, MD
View full profile →- Population534
- Median Income$112,578
- Median Home Value$439k
- Median Age55.0 yrs
- Poverty Rate33.4%
Visual comparison (same scale)
Population
43534
Median Income
$23,958$112,578
Median Home Value
—$439k
Median Age
67.4 yrs55.0 yrs
Poverty Rate
23.3%33.4%
Demographics
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
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
Visual comparison (same scale)
White %
100.0%98.7%
Black %
0.0%0.4%
Asian %
0.0%0.0%
Hispanic %
0.0%0.8%
Age 0–17 %
0.0%19.3%
Age 18–64 %
39.5%48.3%
Age 65+ %
60.5%32.4%
Bachelor's+ %
25.6%23.2%
Diversity Index
0/1003/100
Economy
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
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)—
Visual comparison (same scale)
Median Income
$23,958$112,578
Unemployment %
0.0%10.3%
IRS Net Migration
+3+31
Work From Home %
0.0%3.8%
Mean Commute (min)
11 min—
Housing
ZIP 21675
MD
View full profile →- Median Home Value—
- Owner Occupied %100.0%
- Broadband %85.2%
- Vacant %64.0%
- Median Year Built1941
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
Visual comparison (same scale)
Median Home Value
—$439k
Owner Occupied %
100.0%86.7%
Broadband %
85.2%90.5%
Vacant %
64.0%24.4%
Median Year Built
19411980
Climate & Location
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)
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)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
39 ft10 ft
Nearest Airport
17.5 miles (28.1 km)18.2 miles (29.3 km)
Distance to Coast
0.5 miles (0.8 km)2.1 miles (3.4 km)
Infrastructure
ZIP 21675
MD
View full profile →- Mean Commute (min)11 min
- Work From Home %0.0%
- Walkability (0–100)20
- Broadband %85.2%
ZIP 21677
Madison CDP, MD
View full profile →- Mean Commute (min)—
- Work From Home %3.8%
- Walkability (0–100)18
- Broadband %90.5%
Visual comparison (same scale)
Mean Commute (min)
11 min—
Work From Home %
0.0%3.8%
Walkability (0–100)
2018
Broadband %
85.2%90.5%
Frequently Asked Questions
How do ZIP 21675 and 21677 compare?
ZIP 21675 is lower poverty rate, lower unemployment, more educated. ZIP 21677 is wealthier, more diverse, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (21675), orange the second (21677). 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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