Regarding Rexburg, the 2023 ACS 5-Year Estimates retain the same errors from 2022.

https://acsdatacommunity.prb.org/discussion-forum/f/forum/1345/inconsistencies-in-acs-2022-5-year-estimates-a-case-study-of-byui-gender-ratios

This year they still cited similar data, that Census Tract 9503.03; Madison County; Idaho and Census Tract 9503.01; Madison County; Idaho, these two Census Tracts have 5,000-10,000 people living there each, and most of them are women, but it still contradicts BYUI's enrollment data and the church member directory. In reality, there are 1% more men than women here, so that 1% of men can't find girlfriends (they drive 1-5 hours to other places to date)