Riley township Flag

Riley township

County:
McHenry County
County Seat:
No
Area (mi²):
35.975
State:
Illinois

Riley township is located in McHenry County, Illinois. Riley township has a 2025 population of 3,003. Riley township is currently growing at a rate of 0.2% annually and its population has increased by 0.4% since the most recent census, which recorded a population of 2,991 in 2020.

The average household income in Riley township is $157,642 with a poverty rate of 8.87%. The median age in Riley township is 39.8 years: 43.9 years for males, and 30.9 years for females.

3K
Total Population
83
Density (mi²)
6 0.2%
Growth

Riley township Population

Riley township Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Riley township includes 93.01% White, and smaller percentages for Black or African American, other race, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Other race

Native American

Asian

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White2,78093.01%
Two or more races1073.58%
Black or African American692.31%
Other race331.1%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%

Riley township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Riley township's average per capita income is $91,908. Household income levels show a median of $151,971. The poverty rate stands at 8.87%.

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$190,288-
Families$183,558$170,384
Households$151,971$157,642
Non Families$69,911$75,461

$91,908

Average Income

$151,971

Median Household Income

8.87%

Poverty Rate

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)