| Index | Union | Iowa | National |
| Median home price | $115,603 | $240,019 | $326,622 |
| Median rent asked | $828 | $1,071 | $1,444 |
| Avg. people per household | 2.0 | 2.4 | 2.6 |
| Owner occupied households | 81.1% | 71.1% | 63.6% |
| Renter occupied households | 18.9% | 28.9% | 36.4% |

| Population | Home Price | National Avg. | |
| Whitten, IA | 142 | $76,684 | 77% |
| St. Anthony, IA | 30 | $87,974 | 73% |
| New Providence, IA | 290 | $108,624 | 67% |
| Owasa, IA | 16 | $112,848 | 65% |
| Steamboat Rock, IA | 258 | $117,938 | 64% |
| Union, IA | 424 | $115,603 | 65% |
| Population | Home Price | National Avg. | |
| Ione, OR | 424 | $240,573 | 26% |
| Mayetta, KS | 424 | $124,609 | 62% |
| Hazleton, IN | 424 | $125,714 | 62% |
| Chokio, MN | 424 | $149,884 | 54% |
| Kopperston, WV | 424 | $80,074 | 75% |
| Union, IA | 424 | $115,603 | 65% |