The 1970-1971 television season is the 25th network season in United States television history. It began on Monday, September 21, 1970 and ended on Sunday, April 25, 1971. The effective start date of the 1970-71 season for the purposes of audience measurement was Monday, September 21, 1970 through Sunday, September 19, 1971.
Universe estimates used to calculate a program or network's rating within that particular demographic for the 1970-71 TV season.
| Demographic | Population | Share |
|---|---|---|
| Households | 60,100,000 | |
| Persons 2+ | 180,300,000 |