Belmont County Demographics

A map of Belmont County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	59,366	60,536	90.7%	91.0%
Multiracial	2,718	2,577	4.2%	3.9%
Black	1,995	2,071	3.0%	3.1%
Hispanic	885	824	1.4%	1.2%
Asian	374	265	0.6%	0.4%
Native American/Other	135	224	0.2%	0.3%

Belmont County, Ohio has an estimated population of 65,473, a slight decrease from the 66,497 recorded in the 2020 Census. The population is 90.7% White, 4.2% Multiracial, 3.0% Black, 1.4% Hispanic, 0.6% Asian, and 0.2% Native American/Other. This demographic dot map shows the population of Belmont County, with one dot drawn for each person counted by the Census, color-coded by race.

Belmont has become slightly 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 Belmont County, that probability was 16.9% in 2020 and 17.5% in the most recent ACS estimates.

Belmont County is ranked the 37th most populous county in Ohio, out of 88 counties. Belmont County was ranked the 36th most populous county in the 2020 Census.

Belmont County's White Population

59,366 residents of Belmont County, or 90.7% of the population, identify as White. The share of White residents in Belmont County is considerably higher than in Ohio overall, where 75.8% of the population is White. Belmont County ranks 38th statewide in terms of White residents as a share of the population, out of 88 counties.

Since the 2020 Census, Belmont County's White population has declined by an estimated 1.9%. White residents' share of Belmont County's population has remained roughly unchanged at 90.7%.

Belmont County is more White than neighboring Ohio County (89.8% White), and Jefferson County (88.4% White). Belmont County is less White than neighboring Harrison County (93.7% White), Monroe County (95.3% White), and Marshall County (92.9% White).

Belmont County's Black Population

1,995 residents of Belmont County, or 3.0% of the population, identify as Black. The share of Black residents in Belmont County is lower than in Ohio overall, where 12% of the population is Black. Belmont County ranks 32nd statewide in terms of Black residents as a share of the population, out of 88 counties.

Since the 2020 Census, Belmont County's Black population has declined by an estimated 3.7%. Black residents' share of Belmont County's population has remained roughly unchanged at 3.0%.

Belmont County is more Black than neighboring Harrison County (2.7% Black), Monroe County (0.4% Black), and Marshall County (0.3% Black). Belmont County is less Black than neighboring Ohio County (3.3% Black), and Jefferson County (5.1% Black).

Belmont County's Asian Population

374 residents of Belmont County, or 0.6% of the population, identify as Asian. The share of Asian residents in Belmont County is comparable to the share in Ohio overall, where 2.5% of the population is Asian. Belmont County ranks 52nd statewide in terms of Asian residents as a share of the population, out of 88 counties.

Since the 2020 Census, Belmont County's Asian population has grown by an estimated 41.1%. Asian residents' share of Belmont County's population has remained roughly unchanged at 0.6%.

Belmont County is more Asian than neighboring Harrison County (0.1% Asian), Monroe County (0.4% Asian), Marshall County (0.3% Asian), and Ohio County (0.5% Asian).

Belmont County's Hispanic Population

885 residents of Belmont County, or 1.4% of the population, identify as Hispanic. The share of Hispanic residents in Belmont County is slightly lower than in Ohio overall, where 4.8% of the population is Hispanic. Belmont County ranks 66th statewide in terms of Hispanic residents as a share of the population, out of 88 counties.

Since the 2020 Census, Belmont County's Hispanic population has grown by an estimated 7.4%. Hispanic residents' share of Belmont County's population has remained roughly unchanged at 1.4%.

Belmont County is more Hispanic than neighboring Harrison County (1.2% Hispanic), Monroe County (0.1% Hispanic), and Marshall County (1.2% Hispanic). Belmont County is less Hispanic than neighboring Ohio County (1.7% Hispanic), and Jefferson County (1.9% Hispanic).

Belmont County's Native American/Other Population

135 residents of Belmont County, or 0.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Belmont County is comparable to the share in Ohio overall, where 0.5% of the population is Native American/Other. Belmont County ranks 78th statewide in terms of Native American/Other residents as a share of the population, out of 88 counties.

Since the 2020 Census, Belmont County's Native American/Other population has declined by an estimated 39.7%. Native American/Other residents' share of Belmont County's population has remained roughly unchanged at 0.2%.

Belmont County is more Native American/Other than neighboring Harrison County (0.1% Native American/Other). Belmont County is less Native American/Other than neighboring Monroe County (0.3% Native American/Other), Marshall County (1.1% Native American/Other), and Jefferson County (0.4% Native American/Other).

Belmont County's Multiracial Population

2,718 residents of Belmont County, or 4.2% of the population, identify as Multiracial. The share of Multiracial residents in Belmont County is comparable to the share in Ohio overall, where 4.3% of the population is Multiracial. Belmont County ranks 38th statewide in terms of Multiracial residents as a share of the population, out of 88 counties.

Since the 2020 Census, Belmont County's Multiracial population has grown by an estimated 5.5%. Multiracial residents' share of Belmont County's population has remained roughly unchanged at 4.2%.

Belmont County is more Multiracial than neighboring Harrison County (2.2% Multiracial), Monroe County (3.4% Multiracial), Marshall County (4.1% Multiracial), and Jefferson County (3.5% Multiracial). Belmont County is less Multiracial than neighboring Ohio County (4.5% 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.