Willow Lake Flag

Willow Lake

County Seat:
No
Area (mi²):
2.732
State:
Illinois

Willow Lake is a CDP located in Stephenson County, Illinois. Willow Lake has a 2025 population of 1,042. Willow Lake is currently growing at a rate of 7.09% annually and its population has increased by 38.56% since the most recent census, which recorded a population of 752 in 2020.

The average household income in Willow Lake is $112,154 with a poverty rate of 6.68%.The median age in Willow Lake is 56.6 years: 58.1 years for males, and 56 years for females.

1K
Total Population
381
Density (mi²)
69 7.09%
Growth

Willow Lake Population

Willow Lake Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Willow Lake includes 84.25% White, 13.01% Black or African American, and smaller percentages for Asian, Two or more races and multiracial populations.

Population by Race

White (84.3%)

Black or African American (13.0%)

Asian (1.9%)

Two or more races (0.8%)

Race
Population
Percentage (of total)
White70684.25%
Black or African American10913.01%
Asian161.91%
Two or more races70.84%

Willow Lake Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Willow Lake's average per capita income is $56,786. Household income levels show a median of $93,750. The poverty rate stands at 6.68%.

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$109,821-
Non Families$97,857$85,716
Households$93,750$112,154
Families$93,438$117,385

$56,786

Average Income

$93,750

Median Household Income

6.68%

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)