| Ferrisburg - Occupational Data | FIPS Code=1025 |
| 1970 | |
| Employed Population | 730 |
| Professional - Technical - Kindred | 88 |
| Non-Farm Manager - Administrator | 26 |
| Sales Worker | 33 |
| Clerical Worker | 69 |
| Craftsperson - Foreperson | 77 |
| Non-Transport Operative | 95 |
| Transport Operative | 5 |
| Non-Farm Laborer | 20 |
| Farmer - Farm Manager | 99 |
| Farm Laborer | 100 |
| Non-Private Service | 66 |
| Household Service | 25 |
| Occupation Not Reported | 27 |
| 1980 | 1990 | |
| Employed Population | 879 | 1266 |
| Executive - Administrator | 70 | 187 |
| Professional Speciality | 133 | 212 |
| Technicians - Related Support | 34 | 26 |
| Sales | 59 | 118 |
| Administrative - Clerical | 107 | 133 |
| Private Household Service | 7 | 9 |
| Protective Service | 5 | 8 |
| Non-Household, Non-Protective Service | 57 | 84 |
| Natural Resources | 160 | 147 |
| Precision Production - Craft | 123 | 140 |
| Machine Operators | 81 | 95 |
| Mover | 18 | 60 |
| Labor | 25 | 47 |
| 1980 | 1990 | ||
| Per Cent of Working Population Employed in Town of Residence | 35.5 | 26.7 | |
| 1970 | 1980 | 1990 | |
| Unemployment Rate | 5.16 | 7.67 | 4.81 |