The total population of Union Grove is estimated to be 844 with 450 males (53.32%) and 394 females (46.68%). There are 56 less females than males in Union Grove.
In 2022, the population of Union Grove was 461, a 1.54% increase year-by-year from 2021. Previously, in 2021, Union Grove's population was 454, an increase of 1.57% compared to a population of 447 in 2020.
The median age in Union Grove, TX is 27.8, as per 2021 ACS 5-Year Estimates. Of the total population, 32.59% were under the age of 15, 39.28% aged 15 to 29, 17.97% aged 30 to 64, 7.94% aged 65 to 84, and 2.23% were 85 years of age and older.