21012 vs 21056 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21012, Orange = ZIP 21056.
Quick verdict: ZIP 21012 is more diverse, higher work-from-home share. ZIP 21056 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated.
Quick Facts
ZIP 21012
Arnold CDP, MD
View full profile →- Population22,306
- Median Income$137,544
- Median Home Value$552k
- Median Rent$1,846
- Median Age38.6 yrs
- Poverty Rate3.1%
ZIP 21056
MD
View full profile →- Population264
- Median Income$250,001
- Median Home Value$2000k
- Median Rent—
- Median Age66.6 yrs
- Poverty Rate0.0%
Visual comparison (same scale)
Population
22,306264
Median Income
$137,544$250,001
Median Home Value
$552k$2000k
Median Rent
$1,846—
Median Age
38.6 yrs66.6 yrs
Poverty Rate
3.1%0.0%
Demographics
ZIP 21012
Arnold CDP, MD
View full profile →- White %82.4%
- Black %4.1%
- Asian %3.6%
- Hispanic %10.5%
- Age 0–17 %25.6%
- Age 18–64 %59.1%
- Age 65+ %15.3%
- Bachelor's+ %59.8%
- Diversity Index31/100
ZIP 21056
MD
View full profile →- White %100.0%
- Black %0.0%
- Asian %0.0%
- Hispanic %0.0%
- Age 0–17 %0.0%
- Age 18–64 %19.3%
- Age 65+ %80.7%
- Bachelor's+ %92.4%
- Diversity Index0/100
Visual comparison (same scale)
White %
82.4%100.0%
Black %
4.1%0.0%
Asian %
3.6%0.0%
Hispanic %
10.5%0.0%
Age 0–17 %
25.6%0.0%
Age 18–64 %
59.1%19.3%
Age 65+ %
15.3%80.7%
Bachelor's+ %
59.8%92.4%
Diversity Index
31/1000/100
Economy
ZIP 21012
Arnold CDP, MD
View full profile →- Median Income$137,544
- Unemployment %3.3%
- IRS Net Migration+1,310
- Work From Home %21.0%
ZIP 21056
MD
View full profile →- Median Income$250,001
- Unemployment %0.0%
- IRS Net Migration+16
- Work From Home %15.1%
Visual comparison (same scale)
Median Income
$137,544$250,001
Unemployment %
3.3%0.0%
IRS Net Migration
+1,310+16
Work From Home %
21.0%15.1%
Housing
ZIP 21012
Arnold CDP, MD
View full profile →- Median Home Value$552k
- Median Rent$1,846
- Owner Occupied %84.9%
- Broadband %97.7%
- Vacant %4.7%
- Median Year Built1980
ZIP 21056
MD
View full profile →- Median Home Value$2000k
- Median Rent—
- Owner Occupied %100.0%
- Broadband %100.0%
- Vacant %44.4%
- Median Year Built1948
Visual comparison (same scale)
Median Home Value
$552k$2000k
Median Rent
$1,846—
Owner Occupied %
84.9%100.0%
Broadband %
97.7%100.0%
Vacant %
4.7%44.4%
Median Year Built
19801948
Climate & Location
ZIP 21012
Arnold CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)25 ft
- Nearest Airport12.8 miles (20.7 km)
- Distance to Coast1.4 miles (2.2 km)
ZIP 21056
MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)8 ft
- Nearest Airport14.7 miles (23.6 km)
- Distance to Coast0.8 miles (1.3 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
25 ft8 ft
Nearest Airport
12.8 miles (20.7 km)14.7 miles (23.6 km)
Distance to Coast
1.4 miles (2.2 km)0.8 miles (1.3 km)
Infrastructure
ZIP 21012
Arnold CDP, MD
View full profile →- Work From Home %21.0%
- Walkability (0–100)43
- Broadband %97.7%
Visual comparison (same scale)
Work From Home %
21.0%15.1%
Walkability (0–100)
4328
Broadband %
97.7%100.0%
Frequently Asked Questions
How do ZIP 21012 and 21056 compare?
ZIP 21012 is more diverse, higher work-from-home share. ZIP 21056 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated.
What do the blue and orange colors mean?
Blue represents the first ZIP (21012), orange the second (21056). 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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