| Index | Union | New Hampshire | National |
| Median home price | $232,900 | $239,700 | $184,700 |
| Median rent asked | $0 | $1,021 | $949 |
| Avg. people per household | 0.9 | 2.4 | 2.6 |
| Owner occupied households | 100.0% | 70.7% | 63.6% |
| Renter occupied households | 0.0% | 29.3% | 36.4% |
| Population | Home Price | National Avg. | |
| Sanbornville, NH | 800 | $131,300 | 29% |
| Milton, NH | 884 | $141,500 | 23% |
| Lake Arrowhead, ME | 2,482 | $160,700 | 13% |
| Rochester, NH | 30,052 | $161,200 | 13% |
| Farmington, NH | 4,122 | $163,500 | 11% |
| Union, NH | 110 | $232,900 | 26% |
| Population | Home Price | National Avg. | |
| Mammoth, WY | 110 | $0 | 100% |
| Minneiska, MN | 110 | $172,500 | 7% |
| Ackerly, TX | 110 | $29,600 | 84% |
| Thendara, NY | 110 | $0 | 100% |
| Kevin, MT | 110 | $47,500 | 74% |
| Union, NH | 110 | $232,900 | 26% |
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