Serena is a CDP located in LaSalle County, Illinois. Serena has a 2025 population of 258 . Serena is currently growing at a rate of 7.5% annually and its population has increased by 88.32% since the most recent census, which recorded a population of 137 in 2020.
The median age in Serena is 15.4 years: 15.9 years for males, and 9.8 years for females. For every 100 females there are 84.0 males.
Data after 2023 is projected based on recent change
The racial composition of Serena includes 61.03% White, and smaller percentages for and multiracial populations.
White (61.03%)
Two or more races (38.97%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 119 | 61.03% |
| Two or more races | 76 | 38.97% |
Married
Widowed
Divorced
Separated
Never Married