Riley Flag

Riley

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

Riley is located in McHenry County, Illinois. Riley has a 2025 population of 3,036 . Riley is currently growing at a rate of 0.63% annually and its population has increased by 1.47% since the most recent census, which recorded a population of 2,992 in 2020.

The average household income in Riley is $157,642 with a poverty rate of 8.87%. The median age in Riley is 39.8 years: 43.9 years for males, and 30.9 years for females. For every 100 females there are 83.4 males.

3K
Total Population
84
Density (mi²)
19 0.63%
Growth

Riley Population

Riley Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Riley includes 93.01% White, and smaller percentages for Black or African American, other race and multiracial populations.

Population by Race

White (93.01%)

Two or more races (3.58%)

Black or African American (2.31%)

Other race (1.1%)

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

Riley Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Riley'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

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)