| Johnson - Means of Transportation to Work | FIPS Code=15030 |
| 1970 | 1980 | 1990 | |
| Per Cent of Working Population that Drove Alone to Work | 60.94 | 46.72 | 64.65 |
| Per Cent of Working Population that Carpooled to Work | 12.50 | 21.43 | 14.02 |
| Per Cent of Working Population that Used Public Transportation | 0.99 | 0.29 | 0.00 |
| Per Cent of Working Population that Walked to Work | 12.78 | 29.15 | 14.08 |
| Per Cent of Working Population that Used Other Means to Get to Work | 1.14 | 2.41 | 2.41 |
| Per Cent of Working Population that Worked at Home | 11.65 | 7.09 | 4.83 |