Upper Marlboro, MD Demographics

A map of Upper Marlboro's Population by Race

Upper Marlboro, Maryland has an estimated population of 683, an increase from the 652 recorded in the 2020 Census. The population is 70.7% Black, 21.1% White, 3.7% Multiracial, 3.4% Hispanic, 1.2% Native American/Other, and 0.0% Asian. This demographic dot map shows the population of Upper Marlboro, with one dot drawn for each person counted by the Census, color-coded by race.

Upper Marlboro has become considerably less 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 Upper Marlboro, that probability was 57.4% in 2020 and 45.3% in the most recent ACS estimates.

Upper Marlboro is ranked the 363rd 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). Upper Marlboro was ranked the 358th most populous place in the 2020 Census.

Upper Marlboro's White Population

144 residents of Upper Marlboro, or 21.1% of the population, identify as White. The share of White residents in Upper Marlboro is significantly lower than in Maryland overall, where 46.6% of the population is White. Upper Marlboro ranks 444th statewide in terms of White residents as a share of the population, out of 536 places.

Since the 2020 Census, Upper Marlboro's White population has declined by an estimated 13.8%. White residents' share of Upper Marlboro's population has decreased from 25.6% to 21.1%.

Upper Marlboro is more White than neighboring Marlboro Village (11.4% White), Queensland (15.2% White), Marlboro Meadows (7.2% White), Brock Hall (5.2% White), and Brown Station (3.7% White).

Upper Marlboro's Black Population

483 residents of Upper Marlboro, or 70.7% of the population, identify as Black. The share of Black residents in Upper Marlboro is significantly higher than in Maryland overall, where 28.9% of the population is Black. Upper Marlboro ranks 54th statewide in terms of Black residents as a share of the population, out of 536 places.

Since the 2020 Census, Upper Marlboro's Black population has grown by an estimated 24.8%. Black residents' share of Upper Marlboro's population has increased from 59.4% to 70.7%.

Upper Marlboro is less Black than neighboring Marlboro Village (80.6% Black), Queensland (72% Black), Marlboro Meadows (76.5% Black), Brock Hall (88.2% Black), and Brown Station (90.4% Black).

Upper Marlboro's Asian Population

0 residents of Upper Marlboro, or 0.0% of the population, identify as Asian. The share of Asian residents in Upper Marlboro is lower than in Maryland overall, where 6.5% of the population is Asian. Upper Marlboro ranks 336th statewide in terms of Asian residents as a share of the population, out of 536 places.

Since the 2020 Census, Upper Marlboro's Asian population has declined by an estimated 100.0%. Asian residents' share of Upper Marlboro's population has decreased from 0.9% to 0.0%.

Upper Marlboro is less Asian than neighboring Marlboro Village (1.5% Asian), Queensland (1.6% Asian), Marlboro Meadows (1% Asian), Brock Hall (1.9% Asian), and Brown Station (4.2% Asian).

Upper Marlboro's Hispanic Population

23 residents of Upper Marlboro, or 3.4% of the population, identify as Hispanic. The share of Hispanic residents in Upper Marlboro is lower than in Maryland overall, where 12.5% of the population is Hispanic. Upper Marlboro ranks 174th statewide in terms of Hispanic residents as a share of the population, out of 536 places.

Since the 2020 Census, Upper Marlboro's Hispanic population has declined by an estimated 55.8%. Hispanic residents' share of Upper Marlboro's population has decreased from 8.0% to 3.4%.

Upper Marlboro is more Hispanic than neighboring Marlboro Village (1.9% Hispanic), Brock Hall (1.1% Hispanic), and Brown Station (1.4% Hispanic). Upper Marlboro is less Hispanic than neighboring Queensland (8.3% Hispanic), and Marlboro Meadows (11.8% Hispanic).

Upper Marlboro's Native American/Other Population

8 residents of Upper Marlboro, or 1.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Upper Marlboro is comparable to the share in Maryland overall, where 0.8% of the population is Native American/Other. Upper Marlboro ranks 8th statewide in terms of Native American/Other residents as a share of the population, out of 536 places.

Since the 2020 Census, Upper Marlboro's Native American/Other population has declined by an estimated 46.7%. Native American/Other residents' share of Upper Marlboro's population has decreased from 2.3% to 1.2%.

Upper Marlboro is more Native American/Other than neighboring Queensland (0% Native American/Other), Brock Hall (0.4% Native American/Other), and Brown Station (0% Native American/Other).

Upper Marlboro's Multiracial Population

25 residents of Upper Marlboro, or 3.7% of the population, identify as Multiracial. The share of Multiracial residents in Upper Marlboro is comparable to the share in Maryland overall, where 4.6% of the population is Multiracial. Upper Marlboro ranks 315th statewide in terms of Multiracial residents as a share of the population, out of 536 places.

Since the 2020 Census, Upper Marlboro's Multiracial population has remained roughly the same. Multiracial residents' share of Upper Marlboro's population has remained roughly unchanged at 3.7%.

Upper Marlboro is more Multiracial than neighboring Marlboro Village (3.4% Multiracial), Queensland (3% Multiracial), Marlboro Meadows (2.3% Multiracial), Brock Hall (3.2% Multiracial), and Brown Station (0.3% 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.