Gillis is a CDP located in Calcasieu Parish, Louisiana. Gillis has a 2026 population of 787. Gillis is currently growing at a rate of 1.03% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The median age in Gillis is 52.4 years: 51.4 years for males, and 59.5 years for females. For every 100 females there are 79.3 males.
Data after 2023 is projected based on recent change
Overall: 52.4 years
Female: 59.5 years
Male: 51.4 years
There are 563 adults, (198 of whom are seniors) in Gillis.
Female: 372 (55.8%)
Male: 295 (44.2%)
The racial composition of Gillis includes 85.76% White, 14.24% Black or African American, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 572 | 85.76% |
| Black or African American | 95 | 14.24% |