Olney township Flag

Olney township

County:
Richland County
County Seat:
No
Area (mi²):
47.142
State:
Illinois

Olney township is located in Richland County, Illinois. Olney township has a 2025 population of 9,674. Olney township is currently declining at a rate of -0.47% annually and its population has decreased by -3% since the most recent census, which recorded a population of 9,973 in 2020.

The average household income in Olney township is $74,600 with a poverty rate of 14.86%.The median age in Olney township is 42 years: 40.4 years for males, and 43.8 years for females.

9.7K
Total Population
205
Density (mi²)
-46 -0.47%
Growth

Olney township Population

Olney township Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Olney township includes 92.89% White, and smaller percentages for other race, Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White9,19192.89%
Two or more races4334.38%
Other race1481.5%
Black or African American660.67%
Asian430.43%
Native American80.08%
Native Hawaiian or Pacific Islander50.05%

Olney township Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Olney township's average per capita income is $43,501. Household income levels show a median of $60,061. The poverty rate stands at 14.86%.

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$103,085-
Families$77,159$96,149
Households$60,061$74,600
Non Families$30,437$43,393

$43,501

Average Income

$60,061

Median Household Income

14.86%

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)