| TRANSPORT | Columbia | Marshalltown | United States |
| Commute Time | 18.1 | 16.7 | 28.1 |
| COMMUTE MODE | | | |
| Auto (alone) | 75.12% | 77.29% | 75.83% |
| Carpool | 11.19% | 14.02% | 10.67% |
| Mass Transit | 0.81% | 0.57% | 4.78% |
| Work at Home | 3.26% | 2.65% | 4.07% |
| COMMUTE TIME TO WORK | | | |
| Commute Less Than 15 min. | 50.17% | 71.94% | 28.58% |
| Commute 15 to 29 min. | 37.59% | 16.45% | 36.13% |
| Commute 30 to 44 min. | 7.64% | 4.56% | 19.69% |
| Commute 45 to 59 min. | 2.43% | 2.65% | 7.50% |
| Commute greater than 60 min. | 2.17% | 4.41% | 8.10% |
