Olney Flag

Olney

County:
Richland County
County Seat:
Yes
Area (mi²):
6.931
State:
Illinois

Olney is a city located in Richland County, Illinois. Olney has a 2025 population of 8,366 . It is also the county seat of Richland County . Olney is currently declining at a rate of -0.77% annually and its population has decreased by -3.74% since the most recent census, which recorded a population of 8,691 in 2020.

The average household income in Olney is $72,237 with a poverty rate of 15.4%. The median age in Olney is 40.7 years: 38 years for males, and 42.2 years for females. For every 100 females there are 96.8 males.

8.4K
Total Population
1,207
Density (mi²)
-65 -0.77%
Growth

Olney Population

Olney Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Olney includes 92.5% 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

White (92.5%)

Two or more races (4.82%)

Other race (1.67%)

Black or African American (0.74%)

Asian (0.12%)

Native American (0.09%)

Native Hawaiian or Pacific Islander (0.06%)

Race
Population
Percentage (of total)
White8,19992.5%
Two or more races4274.82%
Other race1481.67%
Black or African American660.74%
Asian110.12%
Native American80.09%
Native Hawaiian or Pacific Islander50.06%

Olney Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Olney's average per capita income is $43,356. Household income levels show a median of $57,997. The poverty rate stands at 15.4%.

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$103,861-
Families$76,069$93,925
Households$57,997$72,237
Non Families$28,726$40,537

$43,356

Average Income

$57,997

Median Household Income

15.4%

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)