According to this Gallup poll. Notice that those who do not attend regularly--the "lapsed"--identify themselves more frequently as liberals. Here's the chart:
As someone who believes that Mormon theology can inform various political ideologies, I'm perplexed at the endurance, intensity, and dominance of conservative politics in the faith, in spite of the official position that there is no official position. The rhetorical task of church leaders seems to be the (continued) surgical dissociation of political opinion from gospel principle, even though, as is evident by this poll, clearly there is an expectation in the culture that Mormonism leads not just to conservative opinions but to an obvious conservative identification.