Marengo, OH Demographics

A map of Marengo's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	182	264	82.7%	93.3%
Black	14	0	6.4%	0.0%
Multiracial	14	2	6.4%	0.7%
Hispanic	10	14	4.5%	4.9%
Asian	0	2	0.0%	0.7%
Native American/Other	0	1	0.0%	0.4%

Marengo, Ohio has an estimated population of 220, a large decrease from the 283 recorded in the 2020 Census. The population is 82.7% White, 6.4% Black, 6.4% Multiracial, 4.5% Hispanic, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Marengo, with one dot drawn for each person counted by the Census, color-coded by race.

Marengo has become considerably more 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 Marengo, that probability was 12.7% in 2020 and 30.6% in the most recent ACS estimates.

Marengo is ranked the 1102nd 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). Marengo was ranked the 1023rd most populous place in the 2020 Census.

Marengo's White Population

182 residents of Marengo, or 82.7% of the population, identify as White. The share of White residents in Marengo is higher than in Ohio overall, where 75.8% of the population is White. Marengo ranks 392nd statewide in terms of White residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Marengo's White population has declined by an estimated 31.1%. White residents' share of Marengo's population has decreased from 93.3% to 82.7%.

Marengo is less White than neighboring Fulton (99.2% White), Sparta (89.2% White), Cardington (89.9% White), Ashley (92% White), and Centerburg (94.4% White).

Marengo's Black Population

14 residents of Marengo, or 6.4% of the population, identify as Black. The share of Black residents in Marengo is lower than in Ohio overall, where 12% of the population is Black. Marengo ranks 1028th statewide in terms of Black residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Marengo's Black population has grown from 0 to an estimated 14. Black residents' share of Marengo's population has increased from 0.0% to 6.4%.

Marengo is more Black than neighboring Fulton (0% Black), Sparta (0% Black), Cardington (1.2% Black), Ashley (0.3% Black), and Centerburg (0.2% Black).

Marengo's Asian Population

0 residents of Marengo, or 0.0% of the population, identify as Asian. The share of Asian residents in Marengo is slightly lower than in Ohio overall, where 2.5% of the population is Asian. Marengo ranks 404th statewide in terms of Asian residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Marengo's Asian population has declined by an estimated 100.0%. Asian residents' share of Marengo's population has decreased from 0.7% to 0.0%.

Marengo's Hispanic Population

10 residents of Marengo, or 4.5% of the population, identify as Hispanic. The share of Hispanic residents in Marengo is comparable to the share in Ohio overall, where 4.8% of the population is Hispanic. Marengo ranks 191st statewide in terms of Hispanic residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Marengo's Hispanic population has declined by an estimated 28.6%. Hispanic residents' share of Marengo's population has remained roughly unchanged at 4.5%.

Marengo is more Hispanic than neighboring Fulton (0% Hispanic), Sparta (0% Hispanic), Cardington (0% Hispanic), Ashley (0.9% Hispanic), and Centerburg (1.5% Hispanic).

Marengo's Native American/Other Population

0 residents of Marengo, 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 Marengo is comparable to the share in Ohio overall, where 0.5% of the population is Native American/Other. Marengo ranks 743rd statewide in terms of Native American/Other residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Marengo's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Marengo's population has remained roughly unchanged at 0.0%.

Marengo's Multiracial Population

14 residents of Marengo, or 6.4% of the population, identify as Multiracial. The share of Multiracial residents in Marengo is slightly higher than in Ohio overall, where 4.3% of the population is Multiracial. Marengo ranks 1232nd statewide in terms of Multiracial residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Marengo's Multiracial population has grown by an estimated 600.0%. Multiracial residents' share of Marengo's population has increased from 0.7% to 6.4%.

Marengo is more Multiracial than neighboring Fulton (0.8% Multiracial), and Centerburg (3.9% Multiracial). Marengo is less Multiracial than neighboring Sparta (10.8% Multiracial), Cardington (8.9% Multiracial), and Ashley (6.8% 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.