| | Spencer, IA | Newton, IA | United States |
| Commute Time | 17 | 21 | 27 |
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| Commute Mode | | | |
| | Spencer, IA | Newton, IA | United States |
| Auto (alone) | 79.2% | 79.6% | 73.2% |
| Carpool | 7.6% | 7.6% | 8.6% |
| Mass Transit | 1.0% | 0.0% | 4.2% |
| Bicycle | 0.4% | 0.3% | 0.5% |
| Walk | 4.0% | 4.8% | 2.5% |
| Work at Home | 7.6% | 6.0% | 9.7% |
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| Commute Time To Work | | | |
| | Spencer, IA | Newton, IA | United States |
| Commute Less Than 5 min. | 13.2% | 8.4% | 2.9% |
| Commute 6 to 9 min. | 31.5% | 28.3% | 9.5% |
| Commute 10 to 14 min. | 19.9% | 17.2% | 13.2% |
| Commute 15 to 19 min. | 7.1% | 9.7% | 15.2% |
| Commute 20 to 24 min. | 3.5% | 2.9% | 14.3% |
| Commute 25 to 29 min. | 3.4% | 3.5% | 6.7% |
| Commute 30 to 34 min. | 8.8% | 7.3% | 13.7% |
| Commute 35 to 39 min. | 0.4% | 2.3% | 3.1% |
| Commute 40 to 44 min. | 2.5% | 4.5% | 4.0% |
| Commute 45 to 59 min. | 5.4% | 12.4% | 8.2% |
| Commute 60 to 89 min. | 2.4% | 2.4% | 6.2% |
| Commute greater than 90 min. | 2.1% | 1.2% | 2.9% |