Turnout for the Iowa caucuses was down, and so was viewership.
The coverage faced competition from the NFL playoff game on ABC and the Emmy awards on Fox.
In the 25-54 demo, Fox News averaged 402,391, compared to CNN with 193,817 and MSNBC with 142,521.
Donald Trump at the Horizon Event Center in Clive, IowaKevin Dietsch/Getty Images
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During the 8-9 p.m.
In the 25-54 demo, Fox News averaged 427,960, followed by CNN with 223,707 and MSNBC with 143,242.
The numbers are from Nielsen via Fox News.
Broadcast networks did do special primetime reports on the results, but left ongoing coverage to their streaming channels.
Fox News caucus coverage was up 7% versus 2012, when 2.64 million watched the internet in primetime.
CNNs coverage this year was off by 48% compared to that year, when 1.33 million watched.
MSNBC in 2012 averaged 1.2 million, down 4%.
Primetime viewership across all three networks that year was 5.17 million.
