The demographic universe estimates for the 1974-1975 television season as defined and published by Nielsen Media Research.
| Demographic | Population | Share |
|---|---|---|
| Households | 68,500,000 | |
| Persons 2+ | 198,940,000 | |
| Persons 2-11 | 35,820,000 | 18.0% |
| Persons 6-11 | 22,300,000 | 11.2% |
| Persons 12-17 | 24,800,000 | 12.5% |
| Persons 18+ | 138,320,000 | 69.5% |
| Persons 18-34 | 53,440,000 | 26.9% |
| Persons 18-49 | 87,550,000 | 44.0% |
| Persons 25-54 | 74,450,000 | 37.4% |
| Persons 35+ | 84,880,000 | 42.7% |
| Persons 35-49 | 34,110,000 | 17.2% |
| Persons 35-54 | 45,820,000 | 23.0% |
| Persons 50+ | 50,770,000 | 25.5% |
| Persons 50-54 | 11,710,000 | 5.89% |
| Persons 55+ | 39,060,000 | 19.6% |
| Males 12-17 | 12,590,000 | 6.33% |
| Males 18+ | 65,280,000 | 32.8% |
| Males 18-34 | 25,920,000 | 13.0% |
| Males 18-49 | 42,420,000 | 21.3% |
| Males 25-54 | 36,130,000 | 18.2% |
| Males 35-54 | 22,110,000 | 11.1% |
| Males 55+ | 17,250,000 | 8.67% |
| Females 12-17 | 12,210,000 | 6.14% |
| Females 18+ | 73,040,000 | 36.7% |
| Females 18-34 | 27,520,000 | 13.8% |
| Females 18-49 | 45,130,000 | 22.7% |
| Females 25-54 | 38,320,000 | 19.3% |
| Females 35-54 | 23,710,000 | 11.9% |
| Females 55+ | 21,810,000 | 11.0% |