Aux Sable Flag

Aux Sable

County:
Grundy County
County Seat:
No
Area (mi²):
29.089
State:
Illinois

Aux Sable is located in Grundy County, Illinois. Aux Sable has a 2025 population of 15,996 . Aux Sable is currently growing at a rate of 0.64% annually and its population has increased by 4.09% since the most recent census, which recorded a population of 15,368 in 2020.

The average household income in Aux Sable is $136,344 with a poverty rate of 3.51%. The median age in Aux Sable is 32.3 years: 31.7 years for males, and 33 years for females. For every 100 females there are 101.1 males.

16K
Total Population
550
Density (mi²)
102 0.64%
Growth

Aux Sable Population

Aux Sable Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Aux Sable includes 81.55% White, 4.76% other race, 4.43% Black or African American, and smaller percentages for Asian, Native American and multiracial populations.

Population by Race

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)
White12,64681.55%
Two or more races1,3628.78%
Other race7384.76%
Black or African American6874.43%
Asian540.35%
Native American210.14%

Aux Sable Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Aux Sable's average per capita income is $63,870. Household income levels show a median of $113,420. The poverty rate stands at 3.51%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$125,488-
Families$117,685$147,563
Households$113,420$136,344
Non Families$93,618$99,547

$63,870

Average Income

$113,420

Median Household Income

3.51%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)