21012 vs 95223 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21012, Orange = ZIP 95223.
Quick verdict: ZIP 21012 is wealthier, higher home values, lower poverty rate, lower unemployment, more diverse, more educated. ZIP 95223 is more affordable rent, higher work-from-home share.
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 95223
Arnold CDP, CA
View full profile →- Population2,934
- Median Income$98,934
- Median Home Value$476k
- Median Rent$1,125
- Median Age60.4 yrs
- Poverty Rate5.5%
Visual comparison (same scale)
Population
22,3062,934
Median Income
$137,544$98,934
Median Home Value
$552k$476k
Median Rent
$1,846$1,125
Median Age
38.6 yrs60.4 yrs
Poverty Rate
3.1%5.5%
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 95223
Arnold CDP, CA
View full profile →- White %88.5%
- Black %0.0%
- Asian %1.3%
- Hispanic %5.5%
- Age 0–17 %10.6%
- Age 18–64 %47.5%
- Age 65+ %41.9%
- Bachelor's+ %47.0%
- Diversity Index21/100
Visual comparison (same scale)
White %
82.4%88.5%
Black %
4.1%0.0%
Asian %
3.6%1.3%
Hispanic %
10.5%5.5%
Age 0–17 %
25.6%10.6%
Age 18–64 %
59.1%47.5%
Age 65+ %
15.3%41.9%
Bachelor's+ %
59.8%47.0%
Diversity Index
31/10021/100
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 95223
Arnold CDP, CA
View full profile →- Median Income$98,934
- Unemployment %5.7%
- IRS Net Migration+144
- Work From Home %30.6%
Visual comparison (same scale)
Median Income
$137,544$98,934
Unemployment %
3.3%5.7%
IRS Net Migration
+1,310+144
Work From Home %
21.0%30.6%
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 95223
Arnold CDP, CA
View full profile →- Median Home Value$476k
- Median Rent$1,125
- Owner Occupied %89.7%
- Broadband %93.9%
- Vacant %80.2%
- Median Year Built1982
Visual comparison (same scale)
Median Home Value
$552k$476k
Median Rent
$1,846$1,125
Owner Occupied %
84.9%89.7%
Broadband %
97.7%93.9%
Vacant %
4.7%80.2%
Median Year Built
19801982
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 95223
Arnold CDP, CA
View full profile →- Snow Days/Year0 days
- Elevation (ft)4,695 ft
- Nearest Airport31.8 miles (51.2 km)
- Distance to Coast77.8 miles (125.3 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
25 ft4,695 ft
Nearest Airport
12.8 miles (20.7 km)31.8 miles (51.2 km)
Distance to Coast
1.4 miles (2.2 km)77.8 miles (125.3 km)
Infrastructure
ZIP 21012
Arnold CDP, MD
View full profile →- Work From Home %21.0%
- Walkability (0–100)43
- Broadband %97.7%
ZIP 95223
Arnold CDP, CA
View full profile →- Work From Home %30.6%
- Walkability (0–100)32
- Broadband %93.9%
Visual comparison (same scale)
Work From Home %
21.0%30.6%
Walkability (0–100)
4332
Broadband %
97.7%93.9%
Frequently Asked Questions
How do ZIP 21012 and 95223 compare?
ZIP 21012 is wealthier, higher home values, lower poverty rate, lower unemployment, more diverse, more educated. ZIP 95223 is more affordable rent, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (21012), orange the second (95223). 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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