Twin Grove is a CDP located in McLean County, Illinois. Twin Grove has a 2025 population of 1,374 . Twin Grove is currently declining at a rate of -0.94% annually but its population has increased by 10.54% since the most recent census, which recorded a population of 1,243 in 2020.
The average household income in Twin Grove is $190,743 with a poverty rate of 8.02%. The median age in Twin Grove is 41.3 years: 40.1 years for males, and 41.7 years for females. For every 100 females there are 104.7 males.
Data after 2023 is projected based on recent change
The racial composition of Twin Grove includes 92.79% White, and smaller percentages for Two or more races, other race, Black or African American, Asian and multiracial populations.
White (92.79%)
Two or more races (2.57%)
Other race (2.19%)
Black or African American (1.93%)
Asian (0.51%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,442 | 92.79% |
| Two or more races | 40 | 2.57% |
| Other race | 34 | 2.19% |
| Black or African American | 30 | 1.93% |
| Asian | 8 | 0.51% |
Married
Widowed
Divorced
Separated
Never Married
Twin Grove's average per capita income is $65,132. Household income levels show a median of $113,250. The poverty rate stands at 8.02%.
Name | Median | Mean |
|---|---|---|
| Married Families | $128,500 | - |
| Families | $121,111 | $207,430 |
| Households | $113,250 | $190,743 |
| Non Families | $72,396 | $90,625 |
Average Income
Median Household Income
Poverty Rate