| Index | Green Mountain | Iowa | National |
| Median home price | $77,800 | $132,800 | $184,700 |
| Median rent asked | $0 | $715 | $949 |
| 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. | |
| Whitten, IA | 137 | $42,500 | 77% |
| Ferguson, IA | 125 | $42,500 | 77% |
| Union, IA | 412 | $62,800 | 66% |
| Montour, IA | 245 | $72,500 | 61% |
| Garwin, IA | 640 | $76,300 | 59% |
| Green Mountain, IA | 182 | $77,800 | 58% |
| Population | Home Price | National Avg. | |
| Oceola, OH | 182 | $93,200 | 50% |
| Buffalo, ND | 182 | $156,300 | 15% |
| Preston, NV | 182 | $0 | 100% |
| San Ysidro village, NM | 182 | $111,700 | 40% |
| Hartline, WA | 182 | $152,100 | 18% |
| Green Mountain, IA | 182 | $77,800 | 58% |
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