Legal marriage isn't the only form of polygynous relationships. Polycules and ENM communities often have more women than men. Or just a man having a mistress or

Legal marriage isn't the only form of polygynous relationships. Polycules and ENM communities often have more women than men. Or just a man having a mistress or otherwise having more than one partner not necessarily even joining a specific subculture. You don't need to live near a FLDS compound to find people engaging in non-monogamous relationships.