The 1974-1975 television season is the 29th network season in United States television history. It began on Monday, September 16, 1974 and ended on Sunday, April 27, 1975. The effective start date of the 1974-75 season for the purposes of audience measurement was Monday, September 16, 1974 through Sunday, September 14, 1975.
Universe estimates used to calculate a program or network's rating within that particular demographic for the 1974-75 TV season. See the extended 1974-1975 universe estimates.
| 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% |