| Hartland Town - Occupational Data | FIPS Code=27045 |
| 1970 | |
| Employed Population | 723 |
| Professional - Technical - Kindred | 138 |
| Non-Farm Manager - Administrator | 30 |
| Sales Worker | 16 |
| Clerical Worker | 146 |
| Craftsperson - Foreperson | 119 |
| Non-Transport Operative | 100 |
| Transport Operative | 19 |
| Non-Farm Laborer | 17 |
| Farmer - Farm Manager | 21 |
| Farm Laborer | 24 |
| Non-Private Service | 67 |
| Household Service | 4 |
| Occupation Not Reported | 22 |
| 1980 | 1990 | |
| Employed Population | 1141 | 1661 |
| Executive - Administrator | 91 | 145 |
| Professional Speciality | 186 | 307 |
| Technicians - Related Support | 40 | 61 |
| Sales | 71 | 150 |
| Administrative - Clerical | 167 | 219 |
| Private Household Service | 13 | 8 |
| Protective Service | 10 | 26 |
| Non-Household, Non-Protective Service | 90 | 192 |
| Natural Resources | 70 | 72 |
| Precision Production - Craft | 159 | 252 |
| Machine Operators | 148 | 129 |
| Mover | 55 | 72 |
| Labor | 41 | 28 |
| 1980 | 1990 | ||
| Per Cent of Working Population Employed in Town of Residence | 22.42 | 20.2 | |
| 1970 | 1980 | 1990 | |
| Unemployment Rate | 2.71 | 3.31 | 3.49 |