Census Dots

Monongalia County Demographics

A map of Monongalia County's Population by Race

Race
PopulationPercent
White
88,95984.1%
Multiracial
5,1664.9%
Black
4,0683.8%
Asian
3,7293.5%
Hispanic
3,3083.1%
Native American/Other
5920.6%

Monongalia County, West Virginia had a population of 105,822 in 2020. It was 84.1% White, 3.8% Black, 3.5% Asian, 3.1% Hispanic, 0.6% Native American/Other, and 4.9% Multiracial. This map presents the population of Monongalia County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Monongalia County is the 3rd most populous county of the 55 counties in West Virginia.

Monongalia County's White Population

88,959 residents of Monongalia County identify as White, or 84.1%. This makes the White share of the population of Monongalia County roughly similar to the White share of the population of West Virginia (89.1% White). Of the 55 counties in West Virginia, Monongalia County is ranked #51 in terms of White residents as a share of the population.

Monongalia County is less White than neighboring Marion County (89.4% White), Greene County (91.5% White), Taylor County (93.6% White), Preston County (88.7% White), and Harrison County (90.8% White).

Monongalia County's Black Population

4,068 residents of Monongalia County identify as Black, or 3.8%. This makes the Black share of the population of Monongalia County roughly similar to the Black share of the population of West Virginia (3.6% Black). Of the 55 counties in West Virginia, Monongalia County is ranked #12 in terms of Black residents as a share of the population.

Monongalia County is more Black than neighboring Marion County (3.3% Black), Greene County (3% Black), Taylor County (0.7% Black), and Harrison County (1.7% Black). Monongalia County is less Black than neighboring Preston County (5.8% Black).

Monongalia County's Asian Population

3,729 residents of Monongalia County identify as Asian, or 3.5%. This makes the Asian share of the population of Monongalia County roughly similar to the Asian share of the population of West Virginia (0.8% Asian). Of the 55 counties in West Virginia, Monongalia County is ranked #1 in terms of Asian residents as a share of the population.

Monongalia County is more Asian than neighboring Marion County (0.5% Asian), Greene County (0.3% Asian), Taylor County (0.2% Asian), Preston County (0.2% Asian), and Harrison County (0.7% Asian).

Monongalia County's Hispanic Population

3,308 residents of Monongalia County identify as Hispanic, or 3.1%. This makes the Hispanic share of the population of Monongalia County roughly similar to the Hispanic share of the population of West Virginia (1.9% Hispanic). Of the 55 counties in West Virginia, Monongalia County is ranked #5 in terms of Hispanic residents as a share of the population.

Monongalia County is more Hispanic than neighboring Marion County (1.6% Hispanic), Greene County (1.4% Hispanic), Taylor County (1.1% Hispanic), Preston County (2% Hispanic), and Harrison County (2.1% Hispanic).

Monongalia County's Native American/Other Population

592 residents of Monongalia County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.6%. This makes the Native American/Other share of the population of Monongalia County roughly similar to the Native American/Other share of the population of West Virginia (0.5% Native American/Other). Of the 55 counties in West Virginia, Monongalia County is ranked #5 in terms of Native American/Other residents as a share of the population.

Monongalia County is more Native American/Other than neighboring Marion County (0.5% Native American/Other), Greene County (0.4% Native American/Other), Taylor County (0.2% Native American/Other), Preston County (0.3% Native American/Other), and Harrison County (0.5% Native American/Other).

Monongalia County's Multiracial Population

5,166 residents of Monongalia County identify as Multiracial, or 4.9%. This makes the Multiracial share of the population of Monongalia County roughly similar to the Multiracial share of the population of West Virginia (4% Multiracial). Of the 55 counties in West Virginia, Monongalia County is ranked #3 in terms of Multiracial residents as a share of the population.

Monongalia County is more Multiracial than neighboring Greene County (3.4% Multiracial), Taylor County (4.2% Multiracial), Preston County (2.9% Multiracial), and Harrison County (4.2% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.