Similar notions have circulated among the clickbait consumers of the left for years (based on the same sort of inadequate state-level data). In 2010, Razib, looking at individual-level GSS data found:
I don’t see a notable different obetween liberals and conservatives. The only exception might be that liberals are more well represented among those who are below average in weight than those who are considerably above average, but the samples are small enough than I don’t trust that to be anything more than measurement error.A survey from neuropolitics.org similarly found:
The above graph shows some interesting trends. First, the Very Liberal males reported the highest percent in the relatively trim 0-5 pounds range, (46%), and the highest rate, among males, in the obese 41+ range (16.8%). The regular Liberal males were second in the 0-5 range, at (38.3%). The Conservative and Very Conservative males had the lowest rates in the 0-5 range, at (29.6 and 34.9%).The finding that leftist males are disproportionately likely to be very skinny or very fat is in line with my own impressions. Unattractive and sex atypical people (effeminate males, masculine females) are drawn more strongly to leftism. Sex typical, conventionally attractive people are more likely to be conservative. Larger (non-obese) and more masculine males are more comfortable with undisguised assertion of self- and group interest (probably because weighted across evolutionary time they're the ones, at the top of status hierarchies, who could get away with it).
Conversely, the Very Conservative females reported the highest rate in 0-5 range (38.2%). The regular Conservative females were next at (31.2%). The Very Liberal and Liberal females had the lowest rates in the 0-5 range, at (26 and 31%). They also had the highest rates in the obese 41+ range (17.7 and 19.4%). [. . .]
According to our survey respondents, the Liberal males are thinner than the Conservative males, and the Conservative females are thinner than the Liberal females. However, this is self-reported, not controlled for age, and not clinically confirmed. So for now, the hypothesis that political-gender cohorts have different average Body Mass Indexes is still very speculative.