Inauguration Day ratings: Fox triples CNN, MSNBC combined

Fox News dominated Inauguration Day on the ratings front, delivering 11.76 million total viewers during President Trump's address compared to CNN's 3.375 million and MSNBC's 1.487 million. 

In the key 25-54 demographic advertisers covet most, Fox more than tripled CNN and MSNBC combined, according to Nielsen Research.

From noon to 12:30 p.m. during the oath and Inaugural Address portions of the coverage, Fox averaged 2.99 million viewers to CNN's 521,000 and MSNBC's 315,000. 

The 11.76 million for Fox is its largest audience since election night coverage Nov. 8, when it averaged 12.19 million viewers to CNN's 11.17 million, also according to Nielsen.