| Waltham - Occupational Data | FIPS Code=1105 |
| 1970 | |
| Employed Population | 131 |
| Professional - Technical - Kindred | 18 |
| Non-Farm Manager - Administrator | 6 |
| Sales Worker | 6 |
| Clerical Worker | 21 |
| Craftsperson - Foreperson | 24 |
| Non-Transport Operative | 16 |
| Transport Operative | 12 |
| Non-Farm Laborer | 5 |
| Farmer - Farm Manager | 12 |
| Farm Laborer | 5 |
| Non-Private Service | 6 |
| Household Service | 0 |
| Occupation Not Reported | 0 |
| 1980 | 1990 | |
| Employed Population | 186 | 240 |
| Executive - Administrator | 11 | 22 |
| Professional Speciality | 25 | 34 |
| Technicians - Related Support | 7 | 6 |
| Sales | 13 | 16 |
| Administrative - Clerical | 12 | 56 |
| Private Household Service | 0 | 0 |
| Protective Service | 2 | 4 |
| Non-Household, Non-Protective Service | 18 | 20 |
| Natural Resources | 34 | 17 |
| Precision Production - Craft | 34 | 42 |
| Machine Operators | 22 | 9 |
| Mover | 2 | 6 |
| Labor | 6 | 8 |
| 1980 | 1990 | ||
| Per Cent of Working Population Employed in Town of Residence | 22.92 | 8.8 | |
| 1970 | 1980 | 1990 | |
| Unemployment Rate | 0 | 3.13 | 2.44 |