3 ZIP Code Tabulation Areas in Arnold, Maryland. The population-weighted median household income is about $154,329, the median home value about $592,925, and 88.8% of occupied homes are owner-occupied.
- 3
- ZIP codes
- 71.5K
- Population
- 54
- Data points
Arnold at a glance
- $154,329
- Median household income
- $592,925
- Median home value
- 41
- Median age
- 88.8%
- Owner-occupied
- 26,432
- Housing units
Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.
Top 3 Arnold ZIP codes by median household income| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 21146 | Arnold | 28,591 | 89.4% | $172,122 |
| 2 | 21409 | Arnold | 20,289 | 91% | $147,151 |
| 3 | 21012 | Arnold | 22,570 | 86.3% | $139,432 |
Top 3 Arnold ZIP codes by population| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 21146 | Arnold | 28,591 | 89.4% | $172,122 |
| 2 | 21012 | Arnold | 22,570 | 86.3% | $139,432 |
| 3 | 21409 | Arnold | 20,289 | 91% | $147,151 |
Top 3 Arnold ZIP codes by Homeowner GDP| # | ZIP | City | Population | Homeowner % | Median HH $ | Homeowner GDP |
|---|
| 1 | 21146 | Arnold | 28,591 | 89.4% | $172,122 | $1.5B |
| 2 | 21012 | Arnold | 22,570 | 86.3% | $139,432 | $995.5M |
| 3 | 21409 | Arnold | 20,289 | 91% | $147,151 | $979.6M |
Homeowner GDP = owner-occupied units × median household income — a proxy for aggregate homeowner spending power in a ZIP, useful for scoring market opportunity. Not an official economic statistic.
Densest: 21146 (Arnold) at 2,820 people/sq mi. Least dense: 21409 (Arnold) at 1,449 people/sq mi.
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