| Index | Arnold | Maryland | National |
| Median home price | $440,000 | $290,400 | $184,700 |
| Median rent asked | $1,914 | $1,264 | $949 |
| Avg. people per household | 3.0 | 2.6 | 2.6 |
| Owner occupied households | 85.2% | 66.5% | 63.6% |
| Renter occupied households | 14.8% | 33.5% | 36.4% |
| Population | Home Price | National Avg. | |
| Naval Academy, MD | 5,609 | $0 | 100% |
| Lansdowne, MD | 8,635 | $159,700 | 14% |
| Rock Hall, MD | 1,563 | $183,000 | 1% |
| Brooklyn Park, MD | 15,163 | $209,600 | 13% |
| Arbutus, MD | 19,267 | $240,600 | 30% |
| Arnold, MD | 24,334 | $440,000 | 138% |
| Population | Home Price | National Avg. | |
| Mequon, WI | 24,357 | $396,700 | 115% |
| Papillion, NE | 24,310 | $222,300 | 20% |
| Avon Lake, OH | 24,309 | $260,000 | 41% |
| Palmetto Bay, FL | 24,308 | $585,600 | 217% |
| Harvey, IL | 24,295 | $72,600 | 61% |
| Arnold, MD | 24,334 | $440,000 | 138% |
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