I think you would have to compare the viewing figures for the mens and womens finals to get a handle of popular they were in relation to each other, any idea what they look like?
Edit:
http://www.hollywoodreporter.com/news/bbcs-wimbledon-final-ratings-drop-716875
http://www.theguardian.com/media/2014/jul/07/wimbledon-final-novak-djokovic-roger-federer-bbc
Last year men's final was 3x as popular as the women's in terms of peak viewing figures.
Edit:
http://www.hollywoodreporter.com/news/bbcs-wimbledon-final-ratings-drop-716875
http://www.theguardian.com/media/2014/jul/07/wimbledon-final-novak-djokovic-roger-federer-bbc
Last year men's final was 3x as popular as the women's in terms of peak viewing figures.