| Index | Montclair | Virginia | National |
| Median home price | $421,300 | $248,400 | $184,700 |
| Median rent asked | $2,090 | $1,135 | $949 |
| Avg. people per household | 3.2 | 2.6 | 2.6 |
| Owner occupied households | 85.7% | 65.8% | 63.6% |
| Renter occupied households | 14.3% | 34.2% | 36.4% |
| Population | Home Price | National Avg. | |
| Fort Belvoir, VA | 7,794 | $0 | 100% |
| Quantico Base, VA | 5,283 | $0 | 100% |
| Rose Hill CDP (Lee County), VA | 708 | $0 | 100% |
| Potomac Heights, MD | 1,247 | $59,000 | 68% |
| Boswell's Corner, VA | 1,442 | $83,000 | 55% |
| Montclair, VA | 21,329 | $421,300 | 128% |
| Population | Home Price | National Avg. | |
| La Porte, IN | 21,328 | $108,600 | 41% |
| Mountlake Terrace, WA | 21,328 | $424,700 | 130% |
| Cartersville, GA | 21,331 | $221,600 | 20% |
| Selden, NY | 21,338 | $342,500 | 85% |
| Bellview, FL | 21,314 | $121,800 | 34% |
| Montclair, VA | 21,329 | $421,300 | 128% |
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