21401 vs 21012 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21401, Orange = ZIP 21012.
Quick verdict: ZIP 21401 is higher home values, more diverse, more educated. ZIP 21012 is wealthier, more affordable rent, lower poverty rate, lower unemployment, higher work-from-home share.
Quick Facts
ZIP 21401
Parole CDP, MD
View full profile →- Population39,118
- Median Income$119,296
- Median Home Value$581k
- Median Rent$1,931
- Median Age45.2 yrs
- Poverty Rate7.1%
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%
Visual comparison (same scale)
Population
39,11822,306
Median Income
$119,296$137,544
Median Home Value
$581k$552k
Median Rent
$1,931$1,846
Median Age
45.2 yrs38.6 yrs
Poverty Rate
7.1%3.1%
Demographics
ZIP 21401
Parole CDP, MD
View full profile →- White %72.9%
- Black %14.6%
- Asian %4.3%
- Hispanic %8.8%
- Age 0–17 %18.2%
- Age 18–64 %55.9%
- Age 65+ %25.9%
- Bachelor's+ %60.8%
- Diversity Index44/100
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
Visual comparison (same scale)
White %
72.9%82.4%
Black %
14.6%4.1%
Asian %
4.3%3.6%
Hispanic %
8.8%10.5%
Age 0–17 %
18.2%25.6%
Age 18–64 %
55.9%59.1%
Age 65+ %
25.9%15.3%
Bachelor's+ %
60.8%59.8%
Diversity Index
44/10031/100
Economy
ZIP 21401
Parole CDP, MD
View full profile →- Median Income$119,296
- Unemployment %3.5%
- IRS Net Migration+2,298
- Work From Home %19.6%
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%
Visual comparison (same scale)
Median Income
$119,296$137,544
Unemployment %
3.5%3.3%
IRS Net Migration
+2,298+1,310
Work From Home %
19.6%21.0%
Housing
ZIP 21401
Parole CDP, MD
View full profile →- Median Home Value$581k
- Median Rent$1,931
- Owner Occupied %62.5%
- Broadband %92.1%
- Vacant %6.8%
- Median Year Built1985
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
Visual comparison (same scale)
Median Home Value
$581k$552k
Median Rent
$1,931$1,846
Owner Occupied %
62.5%84.9%
Broadband %
92.1%97.7%
Vacant %
6.8%4.7%
Median Year Built
19851980
Climate & Location
ZIP 21401
Parole CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)25 ft
- Nearest Airport13.0 miles (20.9 km)
- Distance to Coast1.6 miles (2.6 km)
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)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
25 ft25 ft
Nearest Airport
13.0 miles (20.9 km)12.8 miles (20.7 km)
Distance to Coast
1.6 miles (2.6 km)1.4 miles (2.2 km)
Infrastructure
ZIP 21401
Parole CDP, MD
View full profile →- Work From Home %19.6%
- Walkability (0–100)54
- Broadband %92.1%
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 %
19.6%21.0%
Walkability (0–100)
5443
Broadband %
92.1%97.7%
Frequently Asked Questions
How do ZIP 21401 and 21012 compare?
ZIP 21401 is higher home values, more diverse, more educated. ZIP 21012 is wealthier, more affordable rent, lower poverty rate, lower unemployment, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (21401), orange the second (21012). 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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