Census Dots

Olney, MD Demographics

A map of Olney's Population by Race

Race
PopulationPercent
White
21,06158.8%
Asian
4,53112.6%
Black
4,36612.2%
Hispanic
3,80310.6%
Multiracial
1,8295.1%
Native American/Other
2300.6%

Olney, Maryland had a population of 35,820 in 2020. It was 58.8% White, 12.2% Black, 12.6% Asian, 10.6% Hispanic, 0.6% Native American/Other, and 5.1% Multiracial. This map presents the population of Olney, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Of the 536 places in Maryland, Olney is the 30th most populous. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs).

Olney's White Population

21,061 residents of Olney identify as White, or 58.8%. This makes the White share of the population of Olney slightly larger than the White share of the population of Maryland (47.2% White). Of the 536 places in Maryland, Olney is ranked #349 in terms of White residents as a share of the population.

Olney is more White than neighboring Aspen Hill (29.6% White), and Layhill (22.5% White). Olney is less White than neighboring Brookeville (90.4% White), Leisure World (60% White), and Ashton-Sandy Spring (59% White).

Olney's Black Population

4,366 residents of Olney identify as Black, or 12.2%. This makes the Black share of the population of Olney less than the Black share of the population of Maryland (29.1% Black). Of the 536 places in Maryland, Olney is ranked #222 in terms of Black residents as a share of the population.

Olney is more Black than neighboring Brookeville (0.6% Black). Olney is less Black than neighboring Leisure World (21.1% Black), Aspen Hill (18.2% Black), Ashton-Sandy Spring (13.9% Black), and Layhill (34.5% Black).

Olney's Asian Population

4,531 residents of Olney identify as Asian, or 12.6%. This makes the Asian share of the population of Olney slightly larger than the Asian share of the population of Maryland (6.8% Asian). Of the 536 places in Maryland, Olney is ranked #40 in terms of Asian residents as a share of the population.

Olney is more Asian than neighboring Brookeville (2.4% Asian), Leisure World (7.7% Asian), Aspen Hill (11% Asian), and Ashton-Sandy Spring (10.3% Asian). Olney is less Asian than neighboring Layhill (14.7% Asian).

Olney's Hispanic Population

3,803 residents of Olney identify as Hispanic, or 10.6%. This makes the Hispanic share of the population of Olney roughly similar to the Hispanic share of the population of Maryland (11.8% Hispanic). Of the 536 places in Maryland, Olney is ranked #123 in terms of Hispanic residents as a share of the population.

Olney is more Hispanic than neighboring Brookeville (3.6% Hispanic), Leisure World (8.6% Hispanic), and Ashton-Sandy Spring (10.5% Hispanic). Olney is less Hispanic than neighboring Aspen Hill (34.7% Hispanic), and Layhill (23% Hispanic).

Olney's Native American/Other Population

230 residents of Olney identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.6%. This makes the Native American/Other share of the population of Olney roughly similar to the Native American/Other share of the population of Maryland (0.8% Native American/Other). Of the 536 places in Maryland, Olney is ranked #287 in terms of Native American/Other residents as a share of the population.

Olney is less Native American/Other than neighboring Brookeville (1.2% Native American/Other), Aspen Hill (1.6% Native American/Other), Ashton-Sandy Spring (1.1% Native American/Other), and Layhill (1.1% Native American/Other).

Olney's Multiracial Population

1,829 residents of Olney identify as Multiracial, or 5.1%. This makes the Multiracial share of the population of Olney roughly similar to the Multiracial share of the population of Maryland (4.4% Multiracial). Of the 536 places in Maryland, Olney is ranked #156 in terms of Multiracial residents as a share of the population.

Olney is more Multiracial than neighboring Brookeville (1.8% Multiracial), Leisure World (2.1% Multiracial), Aspen Hill (4.9% Multiracial), and Layhill (4.1% Multiracial). Olney is less Multiracial than neighboring Ashton-Sandy Spring (5.3% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.