Forest City is located in Mason County, Illinois. Forest City has a 2025 population of 450 . Forest City is currently declining at a rate of -0.22% annually and its population has decreased by -3.43% since the most recent census, which recorded a population of 466 in 2020.
The average household income in Forest City is $70,939 with a poverty rate of 20.53%. The median age in Forest City is 44.5 years: 44.1 years for males, and 44.8 years for females. For every 100 females there are 127.8 males.
Data after 2023 is projected based on recent change
The racial composition of Forest City includes 95.75% White, and smaller percentages for and multiracial populations.
White (95.75%)
Two or more races (4.25%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 541 | 95.75% |
| Two or more races | 24 | 4.25% |
Married
Widowed
Divorced
Separated
Never Married
Forest City's average per capita income is $49,309. Household income levels show a median of $68,198. The poverty rate stands at 20.53%.
Name | Median | Mean |
|---|---|---|
| Families | $69,244 | $80,440 |
| Married Families | $69,186 | - |
| Households | $68,198 | $70,939 |
| Non Families | - | $47,160 |
Average Income
Median Household Income
Poverty Rate