The 1957-1958 television season is the 12th network season in United States television history. It began on Sunday, October 27, 1957 and ended on Saturday, June 21, 1958. The effective start date of the 1957-58 season for the purposes of audience measurement was Sunday, October 27, 1957 through Saturday, October 25, 1958.
Universe estimates used to calculate a program or network's rating within that particular demographic for the 1957-58 TV season.
| Demographic | Population | Share |
|---|---|---|
| Households | 41,920,000 | |
| Persons 2+ | 125,760,000 |