Marlboro, OH Demographics

A map of Marlboro's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	227	228	98.7%	92.3%
Multiracial	3	8	1.3%	3.2%
Black	0	4	0.0%	1.6%
Asian	0	2	0.0%	0.8%
Hispanic	0	2	0.0%	0.8%
Native American/Other	0	3	0.0%	1.2%

Marlboro, Ohio has an estimated population of 230, a decrease from the 247 recorded in the 2020 Census. The population is 98.7% White, 1.3% Multiracial, 0.0% Black, 0.0% Asian, 0.0% Hispanic, and 0.0% Native American/Other. This demographic dot map shows the population of Marlboro, with one dot drawn for each person counted by the Census, color-coded by race.

Marlboro has become considerably less racially diverse since the 2020 Census. It is considerably less diverse than Ohio overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Marlboro, that probability was 14.6% in 2020 and 2.6% in the most recent ACS estimates.

Marlboro is ranked the 1092nd most populous place in Ohio, out of 1,265 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). Marlboro was ranked the 1061st most populous place in the 2020 Census.

Marlboro's White Population

227 residents of Marlboro, or 98.7% of the population, identify as White. The share of White residents in Marlboro is significantly higher than in Ohio overall, where 75.8% of the population is White. Marlboro ranks 530th statewide in terms of White residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Marlboro's White population has remained roughly the same. White residents' share of Marlboro's population has increased from 92.3% to 98.7%.

Marlboro is more White than neighboring Bolton (84.1% White), Atwater (90.1% White), and Alliance (82.9% White). Marlboro is less White than neighboring Harrisburg (100% White), and Limaville (100% White).

Marlboro's Black Population

0 residents of Marlboro, or 0.0% of the population, identify as Black. The share of Black residents in Marlboro is considerably lower than in Ohio overall, where 12% of the population is Black. Marlboro ranks 419th statewide in terms of Black residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Marlboro's Black population has declined by an estimated 100.0%. Black residents' share of Marlboro's population has decreased from 1.6% to 0.0%.

Marlboro is less Black than neighboring Bolton (10.3% Black), and Alliance (8% Black).

Marlboro's Asian Population

0 residents of Marlboro, or 0.0% of the population, identify as Asian. The share of Asian residents in Marlboro is slightly lower than in Ohio overall, where 2.5% of the population is Asian. Marlboro ranks 360th statewide in terms of Asian residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Marlboro's Asian population has declined by an estimated 100.0%. Asian residents' share of Marlboro's population has decreased from 0.8% to 0.0%.

Marlboro is less Asian than neighboring Alliance (0.4% Asian).

Marlboro's Hispanic Population

0 residents of Marlboro, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Marlboro is slightly lower than in Ohio overall, where 4.8% of the population is Hispanic. Marlboro ranks 1067th statewide in terms of Hispanic residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Marlboro's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of Marlboro's population has decreased from 0.8% to 0.0%.

Marlboro is less Hispanic than neighboring Alliance (1.6% Hispanic).

Marlboro's Native American/Other Population

0 residents of Marlboro, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Marlboro is comparable to the share in Ohio overall, where 0.5% of the population is Native American/Other. Marlboro ranks 89th statewide in terms of Native American/Other residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Marlboro's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Marlboro's population has decreased from 1.2% to 0.0%.

Marlboro is less Native American/Other than neighboring Alliance (0.7% Native American/Other).

Marlboro's Multiracial Population

3 residents of Marlboro, or 1.3% of the population, identify as Multiracial. The share of Multiracial residents in Marlboro is slightly lower than in Ohio overall, where 4.3% of the population is Multiracial. Marlboro ranks 860th statewide in terms of Multiracial residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Marlboro's Multiracial population has declined by an estimated 62.5%. Multiracial residents' share of Marlboro's population has decreased from 3.2% to 1.3%.

Marlboro is more Multiracial than neighboring Harrisburg (0% Multiracial), and Limaville (0% Multiracial). Marlboro is less Multiracial than neighboring Bolton (5.5% Multiracial), Atwater (9.9% Multiracial), and Alliance (6.5% 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.