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The total population of Gilliam is estimated to be 136 with 62 males (45.59%) and 74 females (54.41%). There are 12 more females than males in Gilliam.
In 2022, the population of Gilliam was 118, a 1.67% decrease year-by-year from 2021. Previously, in 2021, Gilliam's population was 120, a decline of 2.44% compared to a population of 123 in 2020.
The median age in Gilliam, LA is 56.5, as per 2021 ACS 5-Year Estimates. Of the total population, 4.08% were under the age of 15, 13.27% aged 15 to 29, 39.80% aged 30 to 64, 35.71% aged 65 to 84, and 7.14% were 85 years of age and older.
Racial distribution of Gilliam population: 76.53% are White, 19.39% are Black or African American and 4.08% are American Indian and Alaska Native.