Big Grove is located in Kendall County, Illinois. Big Grove has a 2025 population of 1,648 . Big Grove is currently declining at a rate of -0.36% annually but its population has increased by 0.55% since the most recent census, which recorded a population of 1,639 in 2020.
The average household income in Big Grove is $124,313 with a poverty rate of 5.16%. The median age in Big Grove is 39.2 years: 41.8 years for males, and 34.6 years for females. For every 100 females there are 88.7 males.
Data after 2023 is projected based on recent change
The racial composition of Big Grove includes 93.73% White, and smaller percentages for other race, Black or African American, Asian and multiracial populations.
White (93.73%)
Two or more races (4.39%)
Other race (0.97%)
Black or African American (0.74%)
Asian (0.17%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,643 | 93.73% |
| Two or more races | 77 | 4.39% |
| Other race | 17 | 0.97% |
| Black or African American | 13 | 0.74% |
| Asian | 3 | 0.17% |
Married
Widowed
Divorced
Separated
Never Married
Big Grove's average per capita income is $60,915. Household income levels show a median of $118,594. The poverty rate stands at 5.16%.
Name | Median | Mean |
|---|---|---|
| Families | $130,729 | $131,056 |
| Married Families | $128,571 | - |
| Households | $118,594 | $124,313 |
| Non Families | $61,875 | $91,895 |
Average Income
Median Household Income
Poverty Rate