21047 vs 21057 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21047, Orange = ZIP 21057.
Quick verdict: ZIP 21047 is lower unemployment, more diverse. ZIP 21057 is wealthier, higher home values, more affordable rent, lower poverty rate, more educated, higher work-from-home share.
Quick Facts
ZIP 21047
Fallston CDP, MD
View full profile →- Population13,540
- Median Income$154,524
- Median Home Value$517k
- Median Rent$2,227
- Median Age47.2 yrs
- Poverty Rate4.0%
ZIP 21057
Carney CDP, MD
View full profile →- Population4,463
- Median Income$170,417
- Median Home Value$609k
- Median Rent$1,672
- Median Age42.7 yrs
- Poverty Rate1.5%
Visual comparison (same scale)
Population
13,5404,463
Median Income
$154,524$170,417
Median Home Value
$517k$609k
Median Rent
$2,227$1,672
Median Age
47.2 yrs42.7 yrs
Poverty Rate
4.0%1.5%
Demographics
ZIP 21047
Fallston CDP, MD
View full profile →- White %87.8%
- Black %2.2%
- Asian %3.8%
- Hispanic %5.1%
- Age 0–17 %21.6%
- Age 18–64 %56.9%
- Age 65+ %21.5%
- Bachelor's+ %53.1%
- Diversity Index22/100
ZIP 21057
Carney CDP, MD
View full profile →- White %88.1%
- Black %4.8%
- Asian %1.7%
- Hispanic %8.0%
- Age 0–17 %25.8%
- Age 18–64 %53.4%
- Age 65+ %20.8%
- Bachelor's+ %58.0%
- Diversity Index21/100
Visual comparison (same scale)
White %
87.8%88.1%
Black %
2.2%4.8%
Asian %
3.8%1.7%
Hispanic %
5.1%8.0%
Age 0–17 %
21.6%25.8%
Age 18–64 %
56.9%53.4%
Age 65+ %
21.5%20.8%
Bachelor's+ %
53.1%58.0%
Diversity Index
22/10021/100
Economy
ZIP 21047
Fallston CDP, MD
View full profile →- Median Income$154,524
- Unemployment %0.9%
- IRS Net Migration+795
- Work From Home %16.4%
ZIP 21057
Carney CDP, MD
View full profile →- Median Income$170,417
- Unemployment %1.7%
- IRS Net Migration+262
- Work From Home %17.4%
Visual comparison (same scale)
Median Income
$154,524$170,417
Unemployment %
0.9%1.7%
IRS Net Migration
+795+262
Work From Home %
16.4%17.4%
Housing
ZIP 21047
Fallston CDP, MD
View full profile →- Median Home Value$517k
- Median Rent$2,227
- Owner Occupied %96.9%
- Broadband %93.1%
- Vacant %1.5%
- Median Year Built1977
ZIP 21057
Carney CDP, MD
View full profile →- Median Home Value$609k
- Median Rent$1,672
- Owner Occupied %86.6%
- Broadband %88.4%
- Vacant %6.5%
- Median Year Built1971
Visual comparison (same scale)
Median Home Value
$517k$609k
Median Rent
$2,227$1,672
Owner Occupied %
96.9%86.6%
Broadband %
93.1%88.4%
Vacant %
1.5%6.5%
Median Year Built
19771971
Climate & Location
ZIP 21047
Fallston CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)57 ft
- Nearest Airport13.6 miles (21.9 km)
- Distance to Coast9.2 miles (14.8 km)
ZIP 21057
Carney CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)235 ft
- Nearest Airport10.0 miles (16.1 km)
- Distance to Coast8.2 miles (13.2 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
57 ft235 ft
Nearest Airport
13.6 miles (21.9 km)10.0 miles (16.1 km)
Distance to Coast
9.2 miles (14.8 km)8.2 miles (13.2 km)
Infrastructure
ZIP 21047
Fallston CDP, MD
View full profile →- Work From Home %16.4%
- Walkability (0–100)30
- Broadband %93.1%
ZIP 21057
Carney CDP, MD
View full profile →- Work From Home %17.4%
- Walkability (0–100)24
- Broadband %88.4%
Visual comparison (same scale)
Work From Home %
16.4%17.4%
Walkability (0–100)
3024
Broadband %
93.1%88.4%
Frequently Asked Questions
How do ZIP 21047 and 21057 compare?
ZIP 21047 is lower unemployment, more diverse. ZIP 21057 is wealthier, higher home values, more affordable rent, lower poverty rate, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (21047), orange the second (21057). 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).
Continue exploring