Mason, IL Demographics

A map of Mason's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	442	287	94.6%	88.9%
Hispanic	10	6	2.1%	1.9%
Asian	8	4	1.7%	1.2%
Multiracial	7	21	1.5%	6.5%
Black	0	3	0.0%	0.9%
Native American/Other	0	2	0.0%	0.6%

Mason, Illinois has an estimated population of 467, a dramatic increase from the 323 recorded in the 2020 Census. The population is 94.6% White, 2.1% Hispanic, 1.7% Asian, 1.5% Multiracial, 0.0% Black, and 0.0% Native American/Other. This demographic dot map shows the population of Mason, with one dot drawn for each person counted by the Census, color-coded by race.

Mason has become considerably less racially diverse since the 2020 Census. It is considerably less diverse than Illinois overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Mason, that probability was 20.6% in 2020 and 10.3% in the most recent ACS estimates.

Mason is ranked the 954th most populous place in Illinois, out of 1,461 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). Mason was ranked the 1051st most populous place in the 2020 Census.

Mason's White Population

442 residents of Mason, or 94.6% of the population, identify as White. The share of White residents in Mason is significantly higher than in Illinois overall, where 58.1% of the population is White. Mason ranks 848th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Mason's White population has grown by an estimated 54.0%. White residents' share of Mason's population has increased from 88.9% to 94.6%.

Mason is more White than neighboring Edgewood (93.2% White), La Clede (41.5% White), and Altamont (91.6% White). Mason is less White than neighboring Watson (97.3% White), and Iola (100% White).

Mason's Black Population

0 residents of Mason, or 0.0% of the population, identify as Black. The share of Black residents in Mason is considerably lower than in Illinois overall, where 13.3% of the population is Black. Mason ranks 604th statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Mason's Black population has declined by an estimated 100.0%. Black residents' share of Mason's population has decreased from 0.9% to 0.0%.

Mason is less Black than neighboring Altamont (0.8% Black).

Mason's Asian Population

8 residents of Mason, or 1.7% of the population, identify as Asian. The share of Asian residents in Mason is slightly lower than in Illinois overall, where 5.9% of the population is Asian. Mason ranks 326th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Mason's Asian population has grown by an estimated 100.0%. Asian residents' share of Mason's population has increased from 1.2% to 1.7%.

Mason is more Asian than neighboring Edgewood (0% Asian), Watson (0% Asian), La Clede (0% Asian), and Iola (0% Asian). Mason is less Asian than neighboring Altamont (4.3% Asian).

Mason's Hispanic Population

10 residents of Mason, or 2.1% of the population, identify as Hispanic. The share of Hispanic residents in Mason is significantly lower than in Illinois overall, where 18.8% of the population is Hispanic. Mason ranks 1002nd statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Mason's Hispanic population has grown by an estimated 66.7%. Hispanic residents' share of Mason's population has remained roughly unchanged at 2.1%.

Mason is more Hispanic than neighboring Watson (0.6% Hispanic), La Clede (0% Hispanic), Iola (0% Hispanic), and Altamont (0.4% Hispanic). Mason is less Hispanic than neighboring Edgewood (4.3% Hispanic).

Mason's Native American/Other Population

0 residents of Mason, 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 Mason is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Mason ranks 340th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Mason's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Mason's population has decreased from 0.6% to 0.0%.

Mason is less Native American/Other than neighboring Edgewood (1.4% Native American/Other), and Altamont (0.2% Native American/Other).

Mason's Multiracial Population

7 residents of Mason, or 1.5% of the population, identify as Multiracial. The share of Multiracial residents in Mason is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Mason ranks 91st statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Mason's Multiracial population has declined by an estimated 66.7%. Multiracial residents' share of Mason's population has decreased from 6.5% to 1.5%.

Mason is more Multiracial than neighboring Edgewood (1.1% Multiracial), and Iola (0% Multiracial). Mason is less Multiracial than neighboring Watson (2.1% Multiracial), La Clede (58.5% Multiracial), and Altamont (2.7% 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.