The total population of State Line is estimated to be 824 with 467 males (56.67%) and 357 females (43.33%). There are 110 less females than males in State Line.
In 2022, the population of State Line was 458, a 0.22% increase year-by-year from 2021. Previously, in 2021, State Line's population was 457, an increase of 1.11% compared to a population of 452 in 2020.
The median age in State Line, MS is 34.9, as per 2021 ACS 5-Year Estimates. Of the total population, 15.44% were under the age of 15, 25.94% aged 15 to 29, 51.42% aged 30 to 64, 6.60% aged 65 to 84, and 0.60% were 85 years of age and older.