Mason County Demographics

A map of Mason County's Population by Race

Mason County, West Virginia has an estimated population of 25,043, a slight decrease from the 25,453 recorded in the 2020 Census. The population is 95.4% White, 2.3% Multiracial, 1.0% Black, 0.6% Hispanic, 0.4% Asian, and 0.3% Native American/Other. This demographic dot map shows the population of Mason County, with one dot drawn for each person counted by the Census, color-coded by race.

Mason is about as racially diverse as it was in the 2020 Census. It is considerably less diverse than West Virginia overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Mason County, that probability was 8.6% in 2020 and 8.9% in the most recent ACS estimates.

Mason County is ranked the 23rd most populous county in West Virginia, out of 55 counties. Mason County was ranked the 23rd most populous county in the 2020 Census.

Mason County's White Population

23,895 residents of Mason County, or 95.4% of the population, identify as White. The share of White residents in Mason County is higher than in West Virginia overall, where 89.7% of the population is White. Mason County ranks 10th statewide in terms of White residents as a share of the population, out of 55 counties.

Since the 2020 Census, Mason County's White population has declined by an estimated 1.8%. White residents' share of Mason County's population has remained roughly unchanged at 95.4%.

Mason County is more White than neighboring Putnam County (93.6% White), Gallia County (92.6% White), and Cabell County (88.8% White). Mason County is less White than neighboring Meigs County (95.8% White), and Jackson County (95.6% White).

Mason County's Black Population

253 residents of Mason County, or 1.0% of the population, identify as Black. The share of Black residents in Mason County is slightly lower than in West Virginia overall, where 3.1% of the population is Black. Mason County ranks 34th statewide in terms of Black residents as a share of the population, out of 55 counties.

Since the 2020 Census, Mason County's Black population has grown by an estimated 31.1%. Black residents' share of Mason County's population has remained roughly unchanged at 1.0%.

Mason County is more Black than neighboring Putnam County (0.9% Black), Meigs County (0.9% Black), and Jackson County (0.1% Black). Mason County is less Black than neighboring Gallia County (2% Black), and Cabell County (4.1% Black).

Mason County's Asian Population

93 residents of Mason County, or 0.4% of the population, identify as Asian. The share of Asian residents in Mason County is comparable to the share in West Virginia overall, where 0.8% of the population is Asian. Mason County ranks 26th statewide in terms of Asian residents as a share of the population, out of 55 counties.

Since the 2020 Census, Mason County's Asian population has grown by an estimated 25.7%. Asian residents' share of Mason County's population has remained roughly unchanged at 0.4%.

Mason County is more Asian than neighboring Meigs County (0.3% Asian). Mason County is less Asian than neighboring Putnam County (0.8% Asian), Gallia County (0.8% Asian), and Cabell County (1.2% Asian).

Mason County's Hispanic Population

154 residents of Mason County, or 0.6% of the population, identify as Hispanic. The share of Hispanic residents in Mason County is comparable to the share in West Virginia overall, where 2.1% of the population is Hispanic. Mason County ranks 50th statewide in terms of Hispanic residents as a share of the population, out of 55 counties.

Since the 2020 Census, Mason County's Hispanic population has declined by an estimated 9.4%. Hispanic residents' share of Mason County's population has remained roughly unchanged at 0.6%.

Mason County is more Hispanic than neighboring Meigs County (0.5% Hispanic). Mason County is less Hispanic than neighboring Putnam County (1.5% Hispanic), Gallia County (1.1% Hispanic), Jackson County (1.1% Hispanic), and Cabell County (1.8% Hispanic).

Mason County's Native American/Other Population

67 residents of Mason County, or 0.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Mason County is comparable to the share in West Virginia overall, where 0.4% of the population is Native American/Other. Mason County ranks 51st statewide in terms of Native American/Other residents as a share of the population, out of 55 counties.

Since the 2020 Census, Mason County's Native American/Other population has grown by an estimated 17.5%. Native American/Other residents' share of Mason County's population has remained roughly unchanged at 0.3%.

Mason County is more Native American/Other than neighboring Meigs County (0.2% Native American/Other). Mason County is less Native American/Other than neighboring Putnam County (0.4% Native American/Other), Gallia County (1.1% Native American/Other), and Jackson County (0.5% Native American/Other).

Mason County's Multiracial Population

581 residents of Mason County, or 2.3% of the population, identify as Multiracial. The share of Multiracial residents in Mason County is comparable to the share in West Virginia overall, where 3.9% of the population is Multiracial. Mason County ranks 47th statewide in terms of Multiracial residents as a share of the population, out of 55 counties.

Since the 2020 Census, Mason County's Multiracial population has declined by an estimated 8.8%. Multiracial residents' share of Mason County's population has remained roughly unchanged at 2.3%.

Mason County is less Multiracial than neighboring Putnam County (2.7% Multiracial), Gallia County (2.5% Multiracial), Meigs County (2.4% Multiracial), and Cabell County (3.9% 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.