Mason County Demographics

A map of Mason County's Population by Race

Mason County, Illinois had a population of 13,086 in 2020. It was 94.3% White, 0.4% Black, 0.2% Asian, 1.4% Hispanic, 0.3% Native American/Other, and 3.5% Multiracial. This map presents the population of Mason County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Mason County is the 81st most populous county of the 102 counties in Illinois.

Mason County's White Population

12,339 residents of Mason County identify as White, or 94.3%. This makes the White share of the population of Mason County considerably larger than the White share of the population of Illinois (58.3% White). Of the 102 counties in Illinois, Mason County is ranked #16 in terms of White residents as a share of the population.

Mason County is more White than neighboring Menard County (93.5% White), Fulton County (91.1% White), Cass County (69.5% White), Tazewell County (91.3% White), and Sangamon County (76.6% White).

Mason County's Black Population

49 residents of Mason County identify as Black, or 0.4%. This makes the Black share of the population of Mason County less than the Black share of the population of Illinois (13.9% Black). Of the 102 counties in Illinois, Mason County is ranked #89 in terms of Black residents as a share of the population.

Mason County is less Black than neighboring Menard County (0.7% Black), Fulton County (3.3% Black), Cass County (5.4% Black), Tazewell County (1.2% Black), and Sangamon County (13.1% Black).

Mason County's Asian Population

26 residents of Mason County identify as Asian, or 0.2%. This makes the Asian share of the population of Mason County slightly less than the Asian share of the population of Illinois (5.8% Asian). Of the 102 counties in Illinois, Mason County is ranked #95 in terms of Asian residents as a share of the population.

Mason County is less Asian than neighboring Menard County (0.4% Asian), Cass County (0.9% Asian), Tazewell County (0.8% Asian), and Sangamon County (2.2% Asian).

Mason County's Hispanic Population

184 residents of Mason County identify as Hispanic, or 1.4%. This makes the Hispanic share of the population of Mason County less than the Hispanic share of the population of Illinois (18.2% Hispanic). Of the 102 counties in Illinois, Mason County is ranked #88 in terms of Hispanic residents as a share of the population.

Mason County is more Hispanic than neighboring Menard County (1.3% Hispanic). Mason County is less Hispanic than neighboring Fulton County (2.2% Hispanic), Cass County (21.4% Hispanic), Tazewell County (2.4% Hispanic), and Sangamon County (2.7% Hispanic).

Mason County's Native American/Other Population

36 residents of Mason County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.3%. This makes the Native American/Other share of the population of Mason County roughly similar to the Native American/Other share of the population of Illinois (0.5% Native American/Other). Of the 102 counties in Illinois, Mason County is ranked #90 in terms of Native American/Other residents as a share of the population.

Mason County is less Native American/Other than neighboring Menard County (0.4% Native American/Other), Fulton County (0.4% Native American/Other), Cass County (0.6% Native American/Other), Tazewell County (0.5% Native American/Other), and Sangamon County (0.6% Native American/Other).

Mason County's Multiracial Population

452 residents of Mason County identify as Multiracial, or 3.5%. This makes the Multiracial share of the population of Mason County roughly similar to the Multiracial share of the population of Illinois (3.2% Multiracial). Of the 102 counties in Illinois, Mason County is ranked #46 in terms of Multiracial residents as a share of the population.

Mason County is more Multiracial than neighboring Fulton County (2.8% Multiracial), and Cass County (2.2% Multiracial). Mason County is less Multiracial than neighboring Menard County (3.7% Multiracial), Tazewell County (3.8% Multiracial), and Sangamon County (4.8% Multiracial).

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