Potomac, MD Demographics

A map of Potomac's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	26,772	27,718	58.3%	59.0%
Asian	9,365	10,447	20.4%	22.2%
Hispanic	4,639	3,580	10.1%	7.6%
Multiracial	2,514	2,151	5.5%	4.6%
Black	2,128	2,733	4.6%	5.8%
Native American/Other	484	389	1.1%	0.8%

Potomac, Maryland has an estimated population of 45,902, a slight decrease from the 47,018 recorded in the 2020 Census. The population is 58.3% White, 20.4% Asian, 10.1% Hispanic, 5.5% Multiracial, 4.6% Black, and 1.1% Native American/Other. This demographic dot map shows the population of Potomac, with one dot drawn for each person counted by the Census, color-coded by race.

Potomac has become more racially diverse since the 2020 Census. It is considerably less diverse than Maryland overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Potomac, that probability was 59.2% in 2020 and 60.3% in the most recent ACS estimates.

Potomac is ranked the 20th most populous place in Maryland, out of 536 places. 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). Potomac was ranked the 20th most populous place in the 2020 Census.

Potomac's White Population

26,772 residents of Potomac, or 58.3% of the population, identify as White. The share of White residents in Potomac is considerably higher than in Maryland overall, where 46.6% of the population is White. Potomac ranks 347th statewide in terms of White residents as a share of the population, out of 536 places.

Since the 2020 Census, Potomac's White population has declined by an estimated 3.4%. White residents' share of Potomac's population has decreased from 59.0% to 58.3%.

Potomac is more White than neighboring Travilah (49.3% White), and North Bethesda (52.2% White). Potomac is less White than neighboring Cabin John (67.3% White), Glen Echo (80.4% White), and McLean (65.2% White).

Potomac's Black Population

2,128 residents of Potomac, or 4.6% of the population, identify as Black. The share of Black residents in Potomac is significantly lower than in Maryland overall, where 28.9% of the population is Black. Potomac ranks 300th statewide in terms of Black residents as a share of the population, out of 536 places.

Since the 2020 Census, Potomac's Black population has declined by an estimated 22.1%. Black residents' share of Potomac's population has decreased from 5.8% to 4.6%.

Potomac is more Black than neighboring Glen Echo (0.4% Black), and McLean (1.7% Black). Potomac is less Black than neighboring Cabin John (4.8% Black), Travilah (5% Black), and North Bethesda (9% Black).

Potomac's Asian Population

9,365 residents of Potomac, or 20.4% of the population, identify as Asian. The share of Asian residents in Potomac is considerably higher than in Maryland overall, where 6.5% of the population is Asian. Potomac ranks 9th statewide in terms of Asian residents as a share of the population, out of 536 places.

Since the 2020 Census, Potomac's Asian population has declined by an estimated 10.4%. Asian residents' share of Potomac's population has decreased from 22.2% to 20.4%.

Potomac is more Asian than neighboring Cabin John (8.9% Asian), Glen Echo (8% Asian), and North Bethesda (16.1% Asian). Potomac is less Asian than neighboring Travilah (33.5% Asian), and McLean (20.8% Asian).

Potomac's Hispanic Population

4,639 residents of Potomac, or 10.1% of the population, identify as Hispanic. The share of Hispanic residents in Potomac is slightly lower than in Maryland overall, where 12.5% of the population is Hispanic. Potomac ranks 187th statewide in terms of Hispanic residents as a share of the population, out of 536 places.

Since the 2020 Census, Potomac's Hispanic population has grown by an estimated 29.6%. Hispanic residents' share of Potomac's population has increased from 7.6% to 10.1%.

Potomac is more Hispanic than neighboring Cabin John (5.5% Hispanic), Travilah (7.4% Hispanic), Glen Echo (9.1% Hispanic), and McLean (6.3% Hispanic). Potomac is less Hispanic than neighboring North Bethesda (16.9% Hispanic).

Potomac's Native American/Other Population

484 residents of Potomac, or 1.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Potomac is comparable to the share in Maryland overall, where 0.8% of the population is Native American/Other. Potomac ranks 189th statewide in terms of Native American/Other residents as a share of the population, out of 536 places.

Since the 2020 Census, Potomac's Native American/Other population has grown by an estimated 24.4%. Native American/Other residents' share of Potomac's population has remained roughly unchanged at 1.1%.

Potomac is more Native American/Other than neighboring Travilah (0.7% Native American/Other), Glen Echo (0% Native American/Other), McLean (0.5% Native American/Other), and North Bethesda (0.8% Native American/Other). Potomac is less Native American/Other than neighboring Cabin John (1.8% Native American/Other).

Potomac's Multiracial Population

2,514 residents of Potomac, or 5.5% of the population, identify as Multiracial. The share of Multiracial residents in Potomac is comparable to the share in Maryland overall, where 4.6% of the population is Multiracial. Potomac ranks 224th statewide in terms of Multiracial residents as a share of the population, out of 536 places.

Since the 2020 Census, Potomac's Multiracial population has grown by an estimated 16.9%. Multiracial residents' share of Potomac's population has increased from 4.6% to 5.5%.

Potomac is more Multiracial than neighboring Travilah (4.1% Multiracial), Glen Echo (2.2% Multiracial), and North Bethesda (5% Multiracial). Potomac is less Multiracial than neighboring Cabin John (11.7% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.