Fairmount is located in Vermilion County, Illinois. Fairmount has a 2025 population of 157 . Fairmount is currently declining at a rate of -0.63% annually and its population has decreased by -1.26% since the most recent census, which recorded a population of 159 in 2020.
The median age in Fairmount is 37.4 years: 36.1 years for males, and 37.9 years for females. For every 100 females there are 107.6 males.
Data after 2023 is projected based on recent change
The racial composition of Fairmount includes 60.41% White, 39.59% Native Hawaiian or Pacific Islander, and smaller percentages for and multiracial populations.
White (60.41%)
Native Hawaiian or Pacific Islander (39.59%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 148 | 60.41% |
| Native Hawaiian or Pacific Islander | 97 | 39.59% |
Married
Widowed
Divorced
Separated
Never Married