21677 vs 21677 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21677, Orange = ZIP 21677.
Quick verdict: ZIP 21677 and ZIP 21677 differ on demographics, housing, and economy—explore the sections below for details.
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 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
534534
Median Income
$112,578$112,578
Median Home Value
$439k$439k
Median Age
55.0 yrs55.0 yrs
Poverty Rate
33.4%33.4%
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 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 %
98.7%98.7%
Black %
0.4%0.4%
Asian %
0.0%0.0%
Hispanic %
0.8%0.8%
Age 0–17 %
19.3%19.3%
Age 18–64 %
48.3%48.3%
Age 65+ %
32.4%32.4%
Bachelor's+ %
23.2%23.2%
Diversity Index
3/1003/100
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%
ZIP 21677
Madison CDP, MD
View full profile →- Median Income$112,578
- Unemployment %10.3%
- IRS Net Migration+31
- Work From Home %3.8%
Visual comparison (same scale)
Median Income
$112,578$112,578
Unemployment %
10.3%10.3%
IRS Net Migration
+31+31
Work From Home %
3.8%3.8%
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 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$439k
Owner Occupied %
86.7%86.7%
Broadband %
90.5%90.5%
Vacant %
24.4%24.4%
Median Year Built
19801980
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 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)
10 ft10 ft
Nearest Airport
18.2 miles (29.3 km)18.2 miles (29.3 km)
Distance to Coast
2.1 miles (3.4 km)2.1 miles (3.4 km)
Infrastructure
ZIP 21677
Madison CDP, MD
View full profile →- Work From Home %3.8%
- Walkability (0–100)18
- Broadband %90.5%
ZIP 21677
Madison CDP, MD
View full profile →- Work From Home %3.8%
- Walkability (0–100)18
- Broadband %90.5%
Visual comparison (same scale)
Work From Home %
3.8%3.8%
Walkability (0–100)
1818
Broadband %
90.5%90.5%
Frequently Asked Questions
How do ZIP 21677 and 21677 compare?
ZIP 21677 and ZIP 21677 differ on demographics, housing, and economy—explore the sections below for details.
What do the blue and orange colors mean?
Blue represents the first ZIP (21677), 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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