| Underhill - Means of Transportation to Work | FIPS Code=7075 |
| 1970 | 1980 | 1990 | |
| Per Cent of Working Population that Drove Alone to Work | 75.77 | 53.41 | 80.75 |
| Per Cent of Working Population that Carpooled to Work | 12.39 | 38.08 | 162 |
| Per Cent of Working Population that Used Public Transportation | 10.26 | 0 | 0.3 |
| Per Cent of Working Population that Walked to Work | 0 | 1.13 | 3.11 |
| Per Cent of Working Population that Used Other Means to Get to Work | 2.09 | 7.61 | 1.4 |
| Per Cent of Working Population that Worked at Home | 0 | 3.1 | 3.71 |