| Mount Holly - Means of Transportation to Work | FIPS Code=21060 |
| 1970 | 1980 | 1990 | |
| Per Cent of Working Population that Drove Alone to Work | 73.36 | 54.00 | 81.44 |
| Per Cent of Working Population that Carpooled to Work | 16.61 | 33.66 | 10.70 |
| Per Cent of Working Population that Used Public Transportation | 0.00 | 0.00 | 1.09 |
| Per Cent of Working Population that Walked to Work | 0.00 | 4.12 | 0.00 |
| Per Cent of Working Population that Used Other Means to Get to Work | 1.73 | 1.69 | 2.40 |
| Per Cent of Working Population that Worked at Home | 8.30 | 6.54 | 4.37 |