Forreston is located in Ogle County, Illinois. Forreston has a 2025 population of 1,939 . Forreston is currently declining at a rate of -0.62% annually and its population has decreased by -2.51% since the most recent census, which recorded a population of 1,989 in 2020.
The average household income in Forreston is $77,354 with a poverty rate of 5.98%. The median age in Forreston is 45.2 years: 43.3 years for males, and 47.9 years for females. For every 100 females there are 98.8 males.
Data after 2023 is projected based on recent change
The racial composition of Forreston includes 93.16% White, and smaller percentages for Black or African American, other race and multiracial populations.
White (93.16%)
Two or more races (4.01%)
Black or African American (1.91%)
Other race (0.92%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,511 | 93.16% |
| Two or more races | 65 | 4.01% |
| Black or African American | 31 | 1.91% |
| Other race | 15 | 0.92% |
Married
Widowed
Divorced
Separated
Never Married
Forreston's average per capita income is $42,404. Household income levels show a median of $69,833. The poverty rate stands at 5.98%.
Name | Median | Mean |
|---|---|---|
| Married Families | $97,250 | - |
| Families | $91,705 | $100,361 |
| Households | $69,833 | $77,354 |
| Non Families | $41,042 | $50,525 |
Average Income
Median Household Income
Poverty Rate