| Derby - Means of Transportation to Work | FIPS Code=19035 |
| 1970 | 1980 | 1990 | |
| Per Cent of Working Population that Drove Alone to Work | 54.41 | 61.20 | 76.42 |
| Per Cent of Working Population that Carpooled to Work | 18.70 | 25.01 | 12.18 |
| Per Cent of Working Population that Used Public Transportation | 0.00 | 1.49 | 0.19 |
| Per Cent of Working Population that Walked to Work | 11.40 | 8.14 | 3.93 |
| Per Cent of Working Population that Used Other Means to Get to Work | 4.01 | 1.78 | 1.07 |
| Per Cent of Working Population that Worked at Home | 11.49 | 2.38 | 6.21 |