Detailed Bureau of the Census (BOC) Occupation Groupings*
| BOC Occupation Codes† | Occupation Description |
| 003-006 | Officials & Administrators, Public Admin |
| 007-022 (007-019) | Other Executive, Admin & Managerial |
| 023-037 | Management Related Occupations |
| 043-063 | Engineers |
| 064-068 | Mathematical and Computer Scientists |
| 069-083 | Natural Scientists |
| 084-089 | Health Diagnosing Occupations |
| 095-106 | Health Assessment and Treatment Occupations |
| 113-154 | Teachers, College and University |
| 155-159 | Teachers, Except College and University |
| 178-179 | Lawyers and Judges |
| 163-177, 183-199 | Other Professional Specialty Occupations |
| 203-208 | Health Technologists and Technicians |
| 213-225 | Engineering and Science Technicians |
| 226-235 | Technicians, Exc Health/Engineering/Science |
| 243 | Supervisors and Proprietors, Sales Occ |
| 253-257 | Sales Reps, Finance and Business Services |
| 258-259 | Sales Reps, Commodities, Except Retail |
| 263-278 | Sales Workers, Retail & Personal Services |
| 283-285 | Sales Related Occupations |
| 303-307 | Supervisors, Administrative Support |
| 308-309 | Computer Equipment Operators |
| 313-315 | Secretaries, Stenographers, and Typists |
| 337-344 | Financial Records Processing |
| 354-357 | Mail and Message Distribution |
| 316-336, 345-353, 359-389 | Other Admin. Support, Including Clerical |
| 403-407 | Private Household Service Occupations |
| 413-427 | Protective Service |
| 433-444 | Food Service |
| 445-447 | Health Service |
| 448-455 | Cleaning and Building Service |
| 456-469 | Personal Service |
| 473-476 | Farm Operators and Managers |
| 477-489 | Farm Workers and Related Occupations |
| 494-499 | Forestry and Fishing Occupations |
| 503-549 | Mechanics and Repairers |
| 553-599 | Construction Trades |
| 613-699 | Other Precision Production, Craft, and Repair |
| 703-779 | Machine Operators/Tenders, Except Precision |
| 783-799 | Fabricators, Assemblers, Inspectors, Samplers |
| 803-814 | Motor Vehicle Operators |
| 823-859 | Other Transport and Material Moving Occ |
| 869 | Construction Laborers |
| 875-883 | Freight, Stock, & Materials Handlers |
| 864-868, 874, 885-889 (863-867, 873, 885-889) |
Other Handlers, Equip. Cleaner, Helper, Laborer |
| *1980 and 1990
Bureau of the Census Alphabetical Index. †Code groupings were, for the most part, identical for the 1980 and 1990 BOC occupation codes. Where differences do occur, the 1980 code groupings are provided in parentheses. |