In 2022, the population of Delta was 218, a 3.11% decrease year-by-year from 2021. Previously, in 2021, Delta's population was 225, a decline of 0.44% compared to a population of 226 in 2020.
The median age in Delta, LA is 20.7, as per 2021 ACS 5-Year Estimates. Of the total population, 46.60% were under the age of 15, 30.89% aged 15 to 29, 13.09% aged 30 to 64, 9.42% aged 65 to 84, and 0.00% were 85 years of age and older.