21871 vs 21821 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21871, Orange = ZIP 21821.
Quick verdict: ZIP 21871 is wealthier, higher home values, more affordable rent, lower poverty rate, more diverse, more educated, higher work-from-home share. ZIP 21821 is lower unemployment.
Quick Facts
ZIP 21871
Fairmount CDP, MD
View full profile →- Population1,635
- Median Income$52,064
- Median Home Value$202k
- Median Rent$850
- Median Age58.2 yrs
- Poverty Rate10.0%
ZIP 21821
Dames Quarter CDP, MD
View full profile →- Population736
- Median Income$51,500
- Median Home Value$152k
- Median Rent$1,045
- Median Age56.5 yrs
- Poverty Rate15.4%
Visual comparison (same scale)
Population
1,635736
Median Income
$52,064$51,500
Median Home Value
$202k$152k
Median Rent
$850$1,045
Median Age
58.2 yrs56.5 yrs
Poverty Rate
10.0%15.4%
Demographics
ZIP 21871
Fairmount CDP, MD
View full profile →- White %65.0%
- Black %22.6%
- Asian %4.8%
- Hispanic %2.1%
- Age 0–17 %9.5%
- Age 18–64 %62.5%
- Age 65+ %28.0%
- Bachelor's+ %20.8%
- Diversity Index52/100
ZIP 21821
Dames Quarter CDP, MD
View full profile →- White %90.9%
- Black %4.3%
- Asian %0.0%
- Hispanic %4.5%
- Age 0–17 %10.6%
- Age 18–64 %59.0%
- Age 65+ %30.4%
- Bachelor's+ %8.4%
- Diversity Index17/100
Visual comparison (same scale)
White %
65.0%90.9%
Black %
22.6%4.3%
Asian %
4.8%0.0%
Hispanic %
2.1%4.5%
Age 0–17 %
9.5%10.6%
Age 18–64 %
62.5%59.0%
Age 65+ %
28.0%30.4%
Bachelor's+ %
20.8%8.4%
Diversity Index
52/10017/100
Economy
ZIP 21871
Fairmount CDP, MD
View full profile →- Median Income$52,064
- Unemployment %1.9%
- IRS Net Migration+96
- Work From Home %10.3%
ZIP 21821
Dames Quarter CDP, MD
View full profile →- Median Income$51,500
- Unemployment %1.9%
- IRS Net Migration+43
- Work From Home %8.0%
Visual comparison (same scale)
Median Income
$52,064$51,500
Unemployment %
1.9%1.9%
IRS Net Migration
+96+43
Work From Home %
10.3%8.0%
Housing
ZIP 21871
Fairmount CDP, MD
View full profile →- Median Home Value$202k
- Median Rent$850
- Owner Occupied %89.2%
- Broadband %83.6%
- Vacant %13.9%
- Median Year Built1982
ZIP 21821
Dames Quarter CDP, MD
View full profile →- Median Home Value$152k
- Median Rent$1,045
- Owner Occupied %89.8%
- Broadband %68.4%
- Vacant %50.8%
- Median Year Built1965
Visual comparison (same scale)
Median Home Value
$202k$152k
Median Rent
$850$1,045
Owner Occupied %
89.2%89.8%
Broadband %
83.6%68.4%
Vacant %
13.9%50.8%
Median Year Built
19821965
Climate & Location
ZIP 21871
Fairmount CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)38 ft
- Nearest Airport21.0 miles (33.8 km)
- Distance to Coast0.6 miles (1.0 km)
ZIP 21821
Dames Quarter CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)10 ft
- Nearest Airport25.2 miles (40.5 km)
- Distance to Coast1.0 miles (1.6 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
38 ft10 ft
Nearest Airport
21.0 miles (33.8 km)25.2 miles (40.5 km)
Distance to Coast
0.6 miles (1.0 km)1.0 miles (1.6 km)
Infrastructure
ZIP 21871
Fairmount CDP, MD
View full profile →- Work From Home %10.3%
- Walkability (0–100)21
- Broadband %83.6%
ZIP 21821
Dames Quarter CDP, MD
View full profile →- Work From Home %8.0%
- Walkability (0–100)18
- Broadband %68.4%
Visual comparison (same scale)
Work From Home %
10.3%8.0%
Walkability (0–100)
2118
Broadband %
83.6%68.4%
Frequently Asked Questions
How do ZIP 21871 and 21821 compare?
ZIP 21871 is wealthier, higher home values, more affordable rent, lower poverty rate, more diverse, more educated, higher work-from-home share. ZIP 21821 is lower unemployment.
What do the blue and orange colors mean?
Blue represents the first ZIP (21871), orange the second (21821). 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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