Olney Flag

Olney

County Seat:
No
Area (mi²):
16.182
State:
Maryland

Olney is a CDP located in Montgomery County, Maryland. Olney has a 2025 population of 35,942. Olney is currently growing at a rate of 0.39% annually and its population has increased by 1.67% since the most recent census, which recorded a population of 35,350 in 2020.

The average household income in Olney is $199,277 with a poverty rate of 4.39%.The median age in Olney is 41.6 years: 39.5 years for males, and 43.4 years for females.

35.9K
Total Population
2,221
Density (mi²)
140 0.39%
Growth

Olney Population

Olney Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Olney includes 57.19% White, 14.72% Black or African American, 11.68% Asian, 4.14% other race, and smaller percentages for Native American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White20,59057.19%
Black or African American5,29814.72%
Two or more races4,28611.91%
Asian4,20611.68%
Other race1,4894.14%
Native American1310.36%

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 $85,951. Household income levels show a median of $171,766. The poverty rate stands at 4.39%.

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$209,020-
Families$191,135$215,645
Households$171,766$199,277
Non Families$86,875$110,867

$85,951

Average Income

$171,766

Median Household Income

4.39%

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)