| Chelsea - Means of Transportation to Work | FIPS Code=17020 |
| 1970 | 1980 | 1990 | |
| Per Cent of Working Population that Drove Alone to Work | 44.81 | 52.85 | 70.94 |
| Per Cent of Working Population that Carpooled to Work | 8.47 | 19.87 | 10.33 |
| Per Cent of Working Population that Used Public Transportation | 0.00 | 0.63 | 1.15 |
| Per Cent of Working Population that Walked to Work | 6.83 | 18.39 | 9.75 |
| Per Cent of Working Population that Used Other Means to Get to Work | 11.48 | 1.90 | 1.15 |
| Per Cent of Working Population that Worked at Home | 28.42 | 6.34 | 6.69 |