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, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

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%
Native Hawaiian or Pacific Islander	0	0%

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