Olney

County:: Montgomery County
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.

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)
White	20,590	57.19%
Black or African American	5,298	14.72%
Two or more races	4,286	11.91%
Asian	4,206	11.68%
Other race	1,489	4.14%
Native American	131	0.36%

Olney Marital Status

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