| Index | Green Mountain | Iowa | National |
| Median home price | $137,874 | $240,019 | $326,622 |
| Median rent asked | $0 | $1,071 | $1,444 |
| Avg. people per household | 2.6 | 2.4 | 2.6 |
| Owner occupied households | 76.5% | 71.1% | 63.6% |
| Renter occupied households | 23.5% | 28.9% | 36.4% |

| Population | Home Price | National Avg. | |
| Ferguson, IA | 128 | $74,428 | 77% |
| Whitten, IA | 142 | $76,684 | 77% |
| Union, IA | 424 | $115,603 | 65% |
| Montour, IA | 254 | $129,478 | 60% |
| Garwin, IA | 662 | $133,714 | 59% |
| Green Mountain, IA | 186 | $137,874 | 58% |
| Population | Home Price | National Avg. | |
| Crystal Bay, NV | 186 | $3,058,328 | 836% |
| Poneto, IN | 186 | $101,996 | 69% |
| Grenola, KS | 186 | $72,339 | 78% |
| Camptonville, CA | 186 | $486,615 | 49% |
| Oceola, OH | 186 | $169,501 | 48% |
| Green Mountain, IA | 186 | $137,874 | 58% |