The 2017-2018 television season is the 72nd network season in United States television history. It officially began on Monday, September 18, 2017 and ended on Wednesday, May 23, 2018. The effective start date of the 2017-18 season for the purposes of audience measurement was Saturday, September 23, 2017 through Friday, September 21, 2018.
Top 2 ranking of the highest achieved rating by programs during the span of the 2017-18 TV season.
Top 10 ranking of designated market areas by number of television homes for the 2017-2018 TV season. See the complete 2017-2018 Nielsen DMA ranking.
| Rank | Market | TV Homes | Share |
|---|---|---|---|
| 1 | New York | 7,074,750 | 6.309% |
| 2 | Los Angeles | 5,318,630 | 4.743% |
| 3 | Chicago | 3,299,720 | 2.942% |
| 4 | Philadelphia | 2,869,580 | 2.559% |
| 5 | Dallas-Fort Worth | 2,648,490 | 2.362% |
| 6 | Washington-Hagerstown | 2,492,170 | 2.222% |
| 7 | Houston | 2,467,140 | 2.200% |
| 8 | San Francisco-Oakland-San Jose | 2,451,640 | 2.186% |
| 9 | Atlanta | 2,449,460 | 2.184% |
| 10 | Boston-Manchester | 2,425,440 | 2.163% |
Universe estimates used to calculate a program or network's rating within that particular demographic for the 2017-18 TV season. See the extended 2017-2018 universe estimates.
| Demographic | Population | Share |
|---|---|---|
| Households | 119,600,000 | |
| Persons 2+ | 304,500,000 | |
| Persons 2-11 | 39,660,000 | 13.0% |
| Persons 12-17 | 24,520,000 | 8.05% |
| Persons 18-24 | 28,990,000 | 9.52% |
| Persons 18-34 | 69,640,000 | 22.9% |
| Persons 18-49 | 128,900,000 | 42.3% |
| Persons 25-54 | 120,690,000 | 39.6% |
| Persons 50+ | 111,420,000 | 36.6% |
| Persons 50-54 | 20,780,000 | 6.82% |