Aux Sable township is located in Grundy County, Illinois. Aux Sable township has a 2026 population of 15,894. Aux Sable township is currently growing at a rate of 0.65% annually and its population has increased by 3.42% since the most recent census, which recorded a population of 15,368 in 2020.
The median household income in Aux Sable township is $113,420 with a poverty rate of 3.51%. The median age in Aux Sable township is 32.3 years: 31.7 years for males, and 33 years for females. For every 100 females there are 101.1 males.
Data after 2023 is projected based on recent change
The racial composition of Aux Sable township includes 81.55% White, 4.76% other race, 4.43% Black or African American, and smaller percentages for Asian, Native American and multiracial populations.
White (81.55%)
Two or more races (8.78%)
Other race (4.76%)
Black or African American (4.43%)
Asian (0.35%)
Native American (0.14%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 12,646 | 81.55% |
| Two or more races | 1,362 | 8.78% |
| Other race | 738 | 4.76% |
| Black or African American | 687 | 4.43% |
| Asian | 54 | 0.35% |
| Native American | 21 | 0.14% |
Married
Widowed
Divorced
Separated
Never Married
Aux Sable township's average per capita income is $63,870. Household income levels show a median of $113,420. The poverty rate stands at 3.51%.
Name | Median | Mean |
|---|---|---|
| Married Families | $125,488 | - |
| Families | $117,685 | $147,563 |
| Households | $113,420 | $136,344 |
| Non Families | $93,618 | $99,547 |
Average Income
Median Household Income
Poverty Rate