Old Mill Creek Flag

Old Mill Creek

County:
Lake County
County Seat:
No
Area (mi²):
10.664
State:
Illinois

Old Mill Creek is a village located in Lake County, Illinois. Old Mill Creek has a 2025 population of 159 . Old Mill Creek is currently declining at a rate of -0.62% annually and its population has decreased by -2.45% since the most recent census, which recorded a population of 163 in 2020.

The average household income in Old Mill Creek is $114,170 with a poverty rate of 6.11%. The median age in Old Mill Creek is 42.9 years: 40.8 years for males, and 45 years for females. For every 100 females there are 98.5 males.

159
Total Population
15
Density (mi²)
-1 -0.62%
Growth

Old Mill Creek Population

Old Mill Creek Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Old Mill Creek includes 86.26% White, 10.69% other race, and smaller percentages for Two or more races, Native American and multiracial populations.

Population by Race

White (86.26%)

Other race (10.69%)

Two or more races (2.29%)

Native American (0.76%)

Race
Population
Percentage (of total)
White11386.26%
Other race1410.69%
Two or more races32.29%
Native American10.76%

Old Mill Creek Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Old Mill Creek's average per capita income is $48,333. Household income levels show a median of $71,875. The poverty rate stands at 6.11%.

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
Families$111,667$150,532
Married Families$111,667-
Households$71,875$114,170
Non Families$40,000$54,600

$48,333

Average Income

$71,875

Median Household Income

6.11%

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)