Nellie Andreeva

Last night’s Republican presidential debate in Iowa on Fox News Channel averaged 6.7 million total viewers, 1.9 million of them in the 25-54 demographic. That is the largest overall and demo audience for a GOP debate this year on cable, surpassing Fox News’ debate in September. Overall, this is the second-most-watched debate this season behind ABC’s special this past Saturday. Here is a list of all GOP debates this year ranked by total viewers.

Net             Date           Day           Total Viewers

ABC            12/10/11     Saturday     7.57 million

Fox News   12/15/11  Thursday   6.71 million

Fox News     9/22/11      Thursday     6.11 million

CNN             10/18/11    Tuesday      5.50 million

MSNBC         9/7/11       Wednesday  5.41 million

CBS             11/12/11    Saturday     5.29 million

Fox News      8/11/11     Thursday     5.05 million

CNN              9/12/11     Monday       3.61 million

CNBC           11/9/11      Wednesday 3.33 million

Fox News      5/5/11       Thursday     3.26 million

CNN             6/13/11      Monday       3.12 million

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