| Index | Armstrong | Iowa | National |
| Median home price | $59,600 | $132,800 | $184,700 |
| Median rent asked | $534 | $715 | $949 |
| Avg. people per household | 2.0 | 2.4 | 2.6 |
| Owner occupied households | 79.0% | 71.1% | 63.6% |
| Renter occupied households | 21.0% | 28.9% | 36.4% |
| City, State | Population | Home Price | National Avg. |
| Ceylon, MN | 347 | $31,100 | 83% |
| Dunnell, MN | 167 | $35,200 | 81% |
| Lone Rock, IA | 199 | $36,700 | 80% |
| Ringsted, IA | 479 | $37,500 | 80% |
| Swea City, IA | 559 | $39,100 | 79% |
| Armstrong, IA | 898 | $59,600 | 68% |
| City, State | Population | Home Price | National Avg. |
| Dewar, OK | 898 | $57,100 | 69% |
| Medley, FL | 898 | $33,100 | 82% |
| Chelyan, WV | 898 | $48,500 | 74% |
| Satanta, KS | 898 | $83,200 | 55% |
| Eureka, SD | 898 | $52,400 | 72% |
| Armstrong, IA | 898 | $59,600 | 68% |